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Huang T, Li D, Chen B, Wu B, Chai X. Utilization strategy for algal bloom waste through co-digestion with kitchen waste: Comprehensive kinetic and metagenomic analysis. ENVIRONMENTAL RESEARCH 2024; 255:119194. [PMID: 38777294 DOI: 10.1016/j.envres.2024.119194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/16/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
Anaerobic co-digestion (AcoD) with kitchen waste (KW) is an alternative utilization strategy for algal bloom waste (AW). However, the kinetic characteristic and metabolic pathway during this process need to be explored further. This study conducted a comprehensive kinetic and metagenomic analysis for AcoD of AW and KW. A maximum co-digestion performance index (CPI) of 1.13 was achieved under the 12% AW addition. Co-digestion improved the total volatile fatty acids generation and the organic matter transformation efficiency. Kinetic analysis showed that the Superimposed model fit optimally (R2Adj = 0.9988-0.9995). The improvement of the kinetic process by co-digestion was mainly reflected in the increase of the methane production from slowly biodegradable components. Co-digestion enriched the cellulolytic bacterium Clostridium and the hydrogenotrophic methanogenic archaea Methanobacterium. Furthermore, for metagenome analysis, the abundance of key genes concerned in cellulose and lipid hydrolysis, pyruvate and methane metabolism were both increased in co-digestion process. This study provided a feasible process for the utilization of AW produced seasonally and a deeper understanding of the AcoD synergistic mechanism from kinetic and metagenomic perspectives.
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Affiliation(s)
- Tao Huang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Dong Li
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Bo Chen
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Boran Wu
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Xiaoli Chai
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China.
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2
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Paranjpe A, Saxena S, Jain P. A Review on Performance Improvement of Anaerobic Digestion Using Co-Digestion of Food Waste and Sewage Sludge. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 338:117733. [PMID: 37004482 DOI: 10.1016/j.jenvman.2023.117733] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 06/19/2023]
Abstract
Anaerobic co-digestion (AcoD) is a vital technology in the decarburization of the economy because of its ability to process organic waste, recover nutrients, and create biogas as a sustainable biofuel all at the same time. This attribute also makes this technology a viable partner in pursuing a circular economic model. However, the poor biogas output of typical substrates like sewage sludge and animal manure and the hefty installation costs limit its viability. This review paper with literature analysis provides a good grasp of the anaerobic co-digesting process with diverse food digestion methods. In this survey, we have analyzed the Anaerobic Digestion of water waste, food waste, and animal manure and the anaerobic co-digestion of animal waste with water waste and food waste with water waste. This analysis demonstrates that anaerobic co-digestion produces more methane biogas than anaerobic digestion. Also, it has been shown that by adjusting the ratio of food and animal waste to water waste, we can produce more methane. In the future, we would like to supplement anaerobic co-digestion by altering the proportion of different wastes that are mixed with water waste in order to increase methane production.
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Affiliation(s)
- Archana Paranjpe
- University Institute of Technology, Rajiv Gandhi Prodyogiki Vishwavidhyalaya, Bhopal, 462033, India.
| | - Seema Saxena
- University Institute of Technology, Rajiv Gandhi Prodyogiki Vishwavidhyalaya, Bhopal, 462033, India.
| | - Pankaj Jain
- School of Energy and Environmental Management,(UTD), Rajiv Gandhi Prodyogiki Vishwavidhyalaya, Bhopal, 462033, India.
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3
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Duong CM, Lim TT. Use of regression models for development of a simple and effective biogas decision-support tool. Sci Rep 2023; 13:4933. [PMID: 36973379 PMCID: PMC10042808 DOI: 10.1038/s41598-023-32121-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 03/22/2023] [Indexed: 03/29/2023] Open
Abstract
Anaerobic digestion (AD) is an alternative way to treat manure while producing biogas as a renewable fuel. To increase the efficiency of AD performance, accurate prediction of biogas yield in different working conditions is necessary. In this study, regression models were developed to estimate biogas production from co-digesting swine manure (SM) and waste kitchen oil (WKO) at mesophilic temperatures. A dataset was collected from the semi-continuous AD studies across nine treatments of SM and WKO, evaluated at 30, 35 and 40 °C. Application of polynomial regression models and variable interactions with the selected data resulted in an adjusted R2 value of 0.9656, much higher than the simple linear regression model (R2 = 0.7167). The significance of the model was observed with the mean absolute percentage error score of 4.16%. Biogas estimation using the final model resulted in a difference between predicted and actual values from 0.2 to 6.7%, except for one treatment which was 9.8% different than observed. A spreadsheet was created to estimate biogas production and other operational factors using substrate loading rates and temperature settings. This user-friendly program could be used as a decision-support tool to provide recommendations for some working conditions and estimation of the biogas yield under different scenarios.
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Affiliation(s)
- Cuong Manh Duong
- Plant Science & Technology, University of Missouri, 147 Agricultural Engineering Building, Columbia, MO, 65211-5200, USA.
- Faculty of Biotechnology and Food Technology, Thai Nguyen University of Agriculture and Forestry, Thai Nguyen, Vietnam.
| | - Teng-Teeh Lim
- Plant Science & Technology, University of Missouri, 147 Agricultural Engineering Building, Columbia, MO, 65211-5200, USA
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4
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Tolessa A, Goosen NJ, Louw TM. Probabilistic simulation of biogas production from anaerobic co-digestion using Anaerobic Digestion Model No. 1: a case study on agricultural residue. Biochem Eng J 2023. [DOI: 10.1016/j.bej.2023.108810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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5
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Abstract
Human activity and modern production contribute to the formation of a certain amount of waste that can be recycled to obtain useful products and energy sources. Today, the higher the level of industrial development, the greater the amount of waste generated, and as a result, the more important the need for disposal. A similar pattern is typical for any human production activity; as a result of large-scale production, at least 70–80% of waste is generated in relation to the amount of raw materials used. The large-scale use of polymeric materials and the plastic waste generated after their use lead to environmental pollution. While a small part of the waste is utilized naturally due to the vital activity of soil microorganisms, and a part is purposefully processed by humans into products for various purposes, a fairly large amount of waste occupies large areas in the form of a variety of garbage. After the removal of garbage by incineration, the liberated territories cannot be transferred to agricultural land due to the high content of harmful contaminants. The harm to the environment is quite obvious. In practice, certain types of waste consist of more than 70% content of valuable substances that can find further practical application in a wide variety of industries.
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6
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Wood Ash Based Treatment of Anaerobic Digestate: State-of-the-Art and Possibilities. Processes (Basel) 2022. [DOI: 10.3390/pr10010147] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
The problem of current agricultural practices is not limited to land management but also to the unsustainable consumption of essential nutrients for plants, such as phosphorus. This article focuses on the valorization of wood ash and anaerobic digestate for the preparation of a slow-release fertilizer. The underlying chemistry of the blend of these two materials is elucidated by analyzing the applications of the mixture. First, the feasibility of employing low doses (≤1 g total solids (TS) ash/g TS digestate) of wood ash is explained as a way to improve the composition of the feedstock of anaerobic digestion and enhance biogas production. Secondly, a detailed description concerning high doses of wood ash and their uses in the downstream processing of the anaerobic digestate to further enhance its stability is offered. Among all the physico-chemical phenomena involved, sorption processes are meticulously depicted, since they are responsible for nutrient recovery, dewatering, and self-hardening in preparing a granular fertilizer. Simple activation procedures (e.g., carbonization, carbonation, calcination, acidification, wash, milling, and sieving) are proposed to promote immobilization of the nutrients. Due to the limited information on the combined processing of wood ash and the anaerobic digestate, transformations of similar residues are additionally considered. Considering all the possible synergies in the anaerobic digestion and the downstream stages, a dose of ash of 5 g TS ash/g TS digestate is proposed for future experiments.
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Qiu Y, Li C, Liu C, Hagos K. Co-Digestion Biomethane Production and the Effect of Nanoparticle: Kinetics Modeling and Microcalorimetry Studies. Appl Biochem Biotechnol 2020; 193:479-491. [PMID: 33025568 DOI: 10.1007/s12010-020-03436-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 09/29/2020] [Indexed: 10/23/2022]
Abstract
To improve the production rate of methane, powder-activated carbon (PAC), granule activated carbon (GAC), titanium dioxide-anatase (TiO2), and synthesized zeolite (permutit) were added in the co-digestion process. The co-substrates were corn stover (CS) and pig manure (PM) mixed in the ratio of 1:2 (w/w). The kinetic analysis model and ADM1da model were applied to obtain the kinetic parameters of the process. Besides, the heat flow analysis of the co-digestion process was determined using isothermal microcalorimetry. The addition of the PAC, GAC, TiO2, and synthesized zeolite improved the methane cumulative yield by 40.12, 31.25, 31.17, and 43.74% respectively, as compared with the control reactor. The kinetic analysis and ADM1da model results indicated that the overall rate constant of the co-digestion process increased by 1.5 times averagely because of the effect of these materials. It was also observed that much higher heat energy released from the experimental sample compared with the control reactor, which indicated that the improvement of the metabolic process of the AcoD system. The addition of TiO2-anatase improved methane production by 31.17%, which could be a promising method to improve the biomethane in a large-scale due to its availability and accessibility.
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Affiliation(s)
- Yi Qiu
- School of Materials Science & Engineering, Shandong University, Jinan, 250061, China.,Jinan Gold Phoenix Brake Systems Co. Ltd., Jinan, 251400, China
| | - Chong Li
- College of Chemical Engineering, Nanjing Tech University, Nanjing, 210009, China
| | - Chang Liu
- College of Chemical Engineering, Nanjing Tech University, Nanjing, 210009, China.
| | - Kiros Hagos
- Mekelle Institute of Technology (MIT), Mekelle University, 1632, Mekelle, Ethiopia.
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8
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Almomani F, Bhosale RR. Enhancing the production of biogas through anaerobic co-digestion of agricultural waste and chemical pre-treatments. CHEMOSPHERE 2020; 255:126805. [PMID: 32387911 DOI: 10.1016/j.chemosphere.2020.126805] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/04/2020] [Accepted: 04/12/2020] [Indexed: 06/11/2023]
Abstract
Large amounts of agricultural solid wastes (ASWs) and animal dung are produced annually causing serious environmental problem that requires proper treatment. The present study proposes a strategy for optimizing the anaerobic co-digestion of ASWs and cow dung (CD), identifies the key factors governing the co-digestion performance and evaluates the effect of NaHCO3 alkalinity treatment on improving the economy and performance of anaerobic digestion (AD). The results revealed that the highest cumulative methane production (CMP) of 297.99 NL/kgVS can be generated by co-digestion of ASWs and CD at a ratio of 60:40. Further improvement was achieved via alkalinity treatment with 1.0 g of NaHCO3/gVS leading to decrease in lignin, cellulose, and hemicellulose contents of feedstock by 3.5%, 10.5% and 15.9%, respectively, converting them to soluble fractions and improving the CMP by 11.2-29.7% based on substrate quality. The improved CMP in the chemically treated substrates reflects a 19% increase in the generated revenue. The kinetics of the AD process was successfully fitted to modified Gompertz model with very low standard deviation residuals (SDR) ≤ 5.21 and R2 ≥ 0.979. Results confirm that the proposed strategy is an effective method for producing biogas from co-digestion of ASWs and CD.
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Affiliation(s)
- Fares Almomani
- College of Engineering, Department of Chemical Engineering, Qatar University, P. O. Box 2713, Doha, Qatar.
| | - Rahul R Bhosale
- College of Engineering, Department of Chemical Engineering, Qatar University, P. O. Box 2713, Doha, Qatar
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9
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Zubair M, Wang S, Zhang P, Ye J, Liang J, Nabi M, Zhou Z, Tao X, Chen N, Sun K, Xiao J, Cai Y. Biological nutrient removal and recovery from solid and liquid livestock manure: Recent advance and perspective. BIORESOURCE TECHNOLOGY 2020; 301:122823. [PMID: 31987489 DOI: 10.1016/j.biortech.2020.122823] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/12/2020] [Accepted: 01/13/2020] [Indexed: 05/27/2023]
Abstract
Rapid development of livestock industry produces large amount of livestock manure rich in nutrients, organic matters, antibiotics, and heavy metals, thus imposes great harms to human and environment, if the manure is not suitably treated. Biological removal and recovery of nutrients from manure as agriculture fertilizer is attractive due to low cost and simple operation. This review offers an overview of recent development in biological nutrient removal and recovery from livestock manure. Livestock manure is divided into solid manure and liquid manure. Composting and anaerobic digestion of solid manure are fully discussed and important parameters are investigated. Then various processes of nutrient removal and recovery from liquid manure are summarized. Brief economic sustainability and eco-environmental effects are carried out. Finally, current challenges and future prospects in this field are analyzed.
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Affiliation(s)
- Muhammad Zubair
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Siqi Wang
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Panyue Zhang
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China.
| | - Junpei Ye
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Jinsong Liang
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Mohammad Nabi
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Zeyan Zhou
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Xue Tao
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Na Chen
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Kai Sun
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Junhong Xiao
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Yajing Cai
- Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
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10
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Valenti F, Porto SMC, Selvaggi R, Pecorino B. Co-digestion of by-products and agricultural residues: A bioeconomy perspective for a Mediterranean feedstock mixture. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 700:134440. [PMID: 31655454 DOI: 10.1016/j.scitotenv.2019.134440] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 09/10/2019] [Accepted: 09/12/2019] [Indexed: 06/10/2023]
Abstract
This study focused on applying batch and continuous co-digestion approaches to investigate the effects of a feedstock mixture (FM) constituted by ten Mediterranean feedstocks highly available in the Mediterranean area (i.e., olive pomace, olive mill wastewater, citrus pulp, poultry litter, poultry and cattle manure, whey and cereal straw) on methane production for bioenergy generation. For the same feedstock mixture (FM), two different anaerobic digestion (AD) tests were carried out to evaluate the possible inhibitory effects of some biomasses on the biological process. The first AD test showed a methane yield equal to 229 Nm3CH4/tVS (27% lower than that measured during the batch test). During the second AD test, the specific production was 272 m3CH4/tVS. Both tests showed a similar methane content of methane in the biogas, equal to about 57%. The first AD test showed an inhibition effect of the process: total conversion of the organic matter into biogas was not ended. The second batch test demonstrated that the selected FM could be viable to carry out the co-digestion and could provide a flexible solution to generate advanced biofuels in biogas plants located in the Mediterranean area.
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Affiliation(s)
- Francesca Valenti
- Building and Land Engineering Section, Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia 100, 95123 Catania, Italy.
| | - Simona M C Porto
- Building and Land Engineering Section, Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia 100, 95123 Catania, Italy.
| | - Roberta Selvaggi
- Agricultural Economics Section, Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia 100, 95123 Catania, Italy.
| | - Biagio Pecorino
- Agricultural Economics Section, Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia 100, 95123 Catania, Italy.
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11
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Anaerobic Co-Digestion of Wastewater Sludge: A Review of Potential Co-Substrates and Operating Factors for Improved Methane Yield. Processes (Basel) 2020. [DOI: 10.3390/pr8010039] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Anaerobic digestion has been widely employed in waste treatment for its ability to capture methane gas released as a product during the digestion. Certain wastes, however, cannot be easily digested due to their low nutrient level insufficient for anaerobic digestion, thus co-digestion is a viable option. Numerous studies have shown that using co-substrates in anaerobic digestion systems improve methane yields as positive synergisms are established in the digestion medium, and the supply of missing nutrients are introduced by the co-substrates. Nevertheless, large-scale implementation of co-digestion technology is limited by inherent process limitations and operational concerns. This review summarizes the results from numerous laboratory, pilot, and full-scale anaerobic co-digestion (ACD) studies of wastewater sludge with the co-substrates of organic fraction of municipal solid waste, food waste, crude glycerol, agricultural waste, and fat, oil and grease. The critical factors that influence the ACD operation are also discussed. The ultimate aim of this review is to identify the best potential co-substrate for wastewater sludge anaerobic co-digestion and provide a recommendation for future reference. By adding co-substrates, a gain ranging from 13 to 176% in the methane yield was accomplished compared to the mono-digestions.
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12
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Nkemka VN, Beauchemin KA, Hao X. Treatment of feces from beef cattle fed the enteric methane inhibitor 3-nitrooxypropanol. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2019; 80:437-447. [PMID: 31596255 DOI: 10.2166/wst.2019.302] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The study evaluated the residual effect of the known enteric methane inhibitor 3-nitrooxypropanol (3NOP) on anaerobic digestion of cattle feces (feces) in a CH4 potential batch test and two consecutive runs of an anaerobic leach bed reactor at a solids retention time of 40 days. The feces used in this study were collected from beef cattle fed forage- (backgrounding) or grain- (finishing) based diets supplemented with 3NOP in feedlot and metabolism studies. The results showed that CH4 yields were not significantly different from treatments using control feces and feces collected from cattle fed a diet supplemented with 3NOP in both CH4 potential and leach bed studies. Spiking feces with 200 mg 3NOP kg-1 dry matter decreased CH4 production rate by 8.0-18.1% estimated from the Gompertz equation, increased the lag phase time (0.4-3.4 d) in all the treatments, while there was no significant difference in the overall CH4 yield. Results from this study showed that 3NOP can be used as an effective enteric CH4 inhibitor with no residual effect on anaerobic digestion.
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Affiliation(s)
- Valentine Nkongndem Nkemka
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, 5403 1st Ave S., Lethbridge, Alberta, T1 J 4B1, Canada E-mail:
| | - Karen A Beauchemin
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, 5403 1st Ave S., Lethbridge, Alberta, T1 J 4B1, Canada E-mail:
| | - Xiying Hao
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, 5403 1st Ave S., Lethbridge, Alberta, T1 J 4B1, Canada E-mail:
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13
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Kouas M, Torrijos M, Sousbie P, Harmand J, Sayadi S. Modeling the anaerobic co-digestion of solid waste: From batch to semi-continuous simulation. BIORESOURCE TECHNOLOGY 2019; 274:33-42. [PMID: 30500761 DOI: 10.1016/j.biortech.2018.11.065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 11/15/2018] [Accepted: 11/18/2018] [Indexed: 06/09/2023]
Abstract
The main purpose of this study was to validate the use of a simple model for forecasting methane production in co-digestion reactors run semi-continuously using substrate data acquired in batch mode. Firstly, seven solid substrates were characterized individually in successive batches to assess their Biochemical Methane Potential (BMP) and kinetic parameters. Afterwards, eight mixtures of two, three or five substrates were processed in semi-continuous mode at an organic loading rate of 1 g VS L-1 d-1. The experimental methane production was always greater than that calculated from the BMP of each substrate. This result suggested that, endogenous activity needs to be taken into consideration in order to predict total methane production accurately. Near equivalence between experimental and modeled methane production was found after integration in the model of the endogenous activity. The results confirmed the possibility for use of substrate batch data (BMP and kinetics) to predict methane production in semi-continuous operations.
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Affiliation(s)
- Mokhles Kouas
- LBE, INRA, Univ Montpellier, 102 avenue des Etangs, 11100 Narbonne, France; Laboratory of Environmental Bioprocesses, Centre of Biotechnology of Sfax, Sidi Mansour Road Km 6, PO Box «1177», 3018 Sfax, Tunisia
| | - Michel Torrijos
- LBE, INRA, Univ Montpellier, 102 avenue des Etangs, 11100 Narbonne, France.
| | - Philippe Sousbie
- LBE, INRA, Univ Montpellier, 102 avenue des Etangs, 11100 Narbonne, France
| | - Jérôme Harmand
- LBE, INRA, Univ Montpellier, 102 avenue des Etangs, 11100 Narbonne, France
| | - Sami Sayadi
- Laboratory of Environmental Bioprocesses, Centre of Biotechnology of Sfax, Sidi Mansour Road Km 6, PO Box «1177», 3018 Sfax, Tunisia
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14
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Duan N, Zhang D, Lin C, Zhang Y, Zhao L, Liu H, Liu Z. Effect of organic loading rate on anaerobic digestion of pig manure: Methane production, mass flow, reactor scale and heating scenarios. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 231:646-652. [PMID: 30390449 DOI: 10.1016/j.jenvman.2018.10.062] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 10/10/2018] [Accepted: 10/17/2018] [Indexed: 06/08/2023]
Abstract
The effect of organic loading rate (OLR) with total solid (TS) control (3%-8%) on the performance of anaerobic digestion of pig manure (PM) using completely stirred anaerobic reactor was investigated. Based on the lab data, how OLR affects mass flow, construction scale and heating requirement in a farm-scale biogas plant was calculated. And three scenarios of typical reactor-heating technology were comparatively analyzed. The optimal OLR was 1.89 g volatile solid (VS)/(L.d) with methane yield of 438.38 mL/gVS in the lab condition. The lower OLR, the larger amount of water and energy consumption, lower methane production and larger amount of liquid digestate was observed. Thus, the reactor with low OLR was suitable in tropical regions with the main target of disposing PM and fertilizer production. High OLR has advantage in the investment, but owns risk of instable process for a long-term run. In our study, among the three heating supply scenarios, biogas boiler was the best option for the designed biogas plant with the given breeding scale under moderate OLR. Combined heat and power (CHP) has potential advantage for the biogas plant under high OLR.
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Affiliation(s)
- Na Duan
- Laboratory of Environment-Enhancing Energy (E2E), College of Water Resources and Civil Engineering, China Agricultural University, Beijing, 100083, China.
| | - Duojiao Zhang
- Laboratory of Environment-Enhancing Energy (E2E), College of Water Resources and Civil Engineering, China Agricultural University, Beijing, 100083, China
| | - Cong Lin
- Laboratory of Environment-Enhancing Energy (E2E), College of Water Resources and Civil Engineering, China Agricultural University, Beijing, 100083, China
| | - Yifeng Zhang
- Department of Environmental Engineering, Technical University of Denmark, Kgs.Lyngby, DK-2800, Denmark
| | - Lingying Zhao
- Department of Food, Agricultural and Biological Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Hongbin Liu
- Key Laboratory of Nonpoint Source Pollution Control, Ministry of Agriculture/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Zhidan Liu
- Laboratory of Environment-Enhancing Energy (E2E), College of Water Resources and Civil Engineering, China Agricultural University, Beijing, 100083, China
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15
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Mora M, Lafuente J, Gabriel D. Screening of biological sulfate reduction conditions for sulfidogenesis promotion using a methanogenic granular sludge. CHEMOSPHERE 2018; 210:557-566. [PMID: 30029148 DOI: 10.1016/j.chemosphere.2018.07.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 07/01/2018] [Accepted: 07/05/2018] [Indexed: 06/08/2023]
Abstract
Effluents containing great amounts of oxidized sulfur compounds, such as sulfate or sulfite, can be valorized as elemental sulfur from a sequential reduction-oxidation biological process. However, the most important, challenging step to be optimized is the reduction of sulfate. The present study aimed at seeking out the optimal conditions to promote sulfidogenesis instead of methanogenesis using waste carbon sources and a methanogenic granular sludge. Crude glycerol showed better results in terms of the consumed COD/S-Sulfate ratio compared with acetate, cheese whey, pig slurry, and vinasse. Then, the screening of several conditions (T, pH, and COD/S-Sulfate ratio) and the effects of air presence and dissolved sulfide inhibition on sulfate reduction was carried out. Sulfidogenesis was promoted at 35 °C, pH = 8.5, COD/S-Sulfate ratio above 7.0 g O2 g-1 S, microaerophilic conditions, and dissolved sulfide concentrations below 250 mg S2- L-1. These conditions were tested for nearly 3 months in the startup and operation of a 2 L UASB reactor. An inlet sulfate concentration of 220 mg S L-1 and an HRT of 2 h were set. Removal efficiencies of approximately 90% were obtained with less than 20% of organic matter destined for biogas production.
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Affiliation(s)
- M Mora
- GENOCOV Research Group, Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - J Lafuente
- GENOCOV Research Group, Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - D Gabriel
- GENOCOV Research Group, Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
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16
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Peng X, Zhang S, Li L, Zhao X, Ma Y, Shi D. Long-term high-solids anaerobic digestion of food waste: Effects of ammonia on process performance and microbial community. BIORESOURCE TECHNOLOGY 2018; 262:148-158. [PMID: 29704762 DOI: 10.1016/j.biortech.2018.04.076] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 04/17/2018] [Accepted: 04/20/2018] [Indexed: 06/08/2023]
Abstract
A long-term high solids anaerobic digestion of food waste was conducted to identify microbial mechanisms of ammonia inhibition during digestion and to clarify correlations between ammonia accumulation, microbial community dynamics (diversity, composition, and interactions), and process stability. Results show that the effects of ammonia on process performance and microbial community were indirectly caused by volatile fatty acid accumulation. Excess free ammonia blocked acetate metabolism, leading to process instability. Accumulated acetate caused feedback inhibition at the acetogenesis stage, which resulted in considerable accumulation of propionate, valerate, and other long-chain fatty acids. This high concentration of volatile fatty acids reduced the abundance of syntrophic acetogenic bacteria and allowed hydrolytic fermentative bacteria to dominate. The normally interactive and orderly metabolic network was broken, which further exacerbated the process instability. These results improve the understanding of microbial mechanisms which contribute to process instability and provide guidance for the microbial management of anaerobic digesters.
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Affiliation(s)
- Xuya Peng
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
| | - ShangYi Zhang
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Lei Li
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China.
| | - Xiaofei Zhao
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Yao Ma
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Dezhi Shi
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
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17
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de Diego-Díaz B, Alejandro Cerdán JM, Peñas FJ, Fernández-Rodríguez J. Impact of supplementary nutrients on codigestion of agricultural waste: Study of temperatures. FOOD AND BIOPRODUCTS PROCESSING 2018. [DOI: 10.1016/j.fbp.2018.05.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Design of Indicators of Circular Economy as Instruments for the Evaluation of Sustainability and Efficiency in Wastewater from Pig Farming Industry. WATER 2017. [DOI: 10.3390/w9090653] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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19
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Béline F, Rodriguez-Mendez R, Girault R, Bihan YL, Lessard P. Comparison of existing models to simulate anaerobic digestion of lipid-rich waste. BIORESOURCE TECHNOLOGY 2017; 226:99-107. [PMID: 27992797 DOI: 10.1016/j.biortech.2016.12.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 12/01/2016] [Accepted: 12/02/2016] [Indexed: 06/06/2023]
Abstract
Models for anaerobic digestion of lipid-rich waste taking inhibition into account were reviewed and, if necessary, adjusted to the ADM1 model framework in order to compare them. Experimental data from anaerobic digestion of slaughterhouse waste at an organic loading rate (OLR) ranging from 0.3 to 1.9kgVSm-3d-1 were used to compare and evaluate models. Experimental data obtained at low OLRs were accurately modeled whatever the model thereby validating the stoichiometric parameters used and influent fractionation. However, at higher OLRs, although inhibition parameters were optimized to reduce differences between experimental and simulated data, no model was able to accurately simulate accumulation of substrates and intermediates, mainly due to the wrong simulation of pH. A simulation using pH based on experimental data showed that acetogenesis and methanogenesis were the most sensitive steps to LCFA inhibition and enabled identification of the inhibition parameters of both steps.
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Affiliation(s)
- F Béline
- Irstea, UR OPAALE, 17 av. de Cucillé, CS 64427, F-35044 Rennes, France; Université Européenne de Bretagne, F-35044 Rennes, France.
| | - R Rodriguez-Mendez
- Département de génie civil et de génie des eaux, Université Laval, Québec, QC G1V 0A6, Canada
| | - R Girault
- Irstea, UR OPAALE, 17 av. de Cucillé, CS 64427, F-35044 Rennes, France; Université Européenne de Bretagne, F-35044 Rennes, France
| | - Y Le Bihan
- Centre de Recherche Industrielle du Québec (CRIQ), 333 rue Franquet, Québec, QC G1P 4C7, Canada
| | - P Lessard
- Département de génie civil et de génie des eaux, Université Laval, Québec, QC G1V 0A6, Canada
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20
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Huang X, Yun S, Zhu J, Du T, Zhang C, Li X. Mesophilic anaerobic co-digestion of aloe peel waste with dairy manure in the batch digester: Focusing on mixing ratios and digestate stability. BIORESOURCE TECHNOLOGY 2016; 218:62-68. [PMID: 27347799 DOI: 10.1016/j.biortech.2016.06.070] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 06/17/2016] [Accepted: 06/18/2016] [Indexed: 06/06/2023]
Abstract
Anaerobic co-digestion of aloe peel waste (APW) with dairy manure (DM) was evaluated in terms of biogas and methane yield, volatile solids (VS) removal rate, and the stability of digestate. Batch experiments were performed under mesophilic condition (36±1°C) at five different APW/DM wet weight ratios (1:0, 3:1, 1:1, 1:3, and 0:1). Experimental methane yield from the mixtures was higher than the yield from APW or DM alone, indicating the synergistic effect and benefits of co-digestion of APW with DM. The optimal mixing ratio of APW/DM was found to be 3:1. The cumulative methane yield was 195.1mL/g VS and the VS removal rate was 59.91%. The characteristics of the digestate were investigated by the thermal analysis which indicated the high stability in the samples of the co-digestion. The co-digestion can be an efficient way to improve the degradation efficiency of the bio-wastes and increase the energy output.
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Affiliation(s)
- Xinlei Huang
- Functional Materials Laboratory (FML), School of Materials & Mineral Resources, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China
| | - Sining Yun
- Functional Materials Laboratory (FML), School of Materials & Mineral Resources, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China.
| | - Jiang Zhu
- Functional Materials Laboratory (FML), School of Materials & Mineral Resources, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China
| | - Tingting Du
- Functional Materials Laboratory (FML), School of Materials & Mineral Resources, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China
| | - Chen Zhang
- Functional Materials Laboratory (FML), School of Materials & Mineral Resources, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China
| | - Xue Li
- Functional Materials Laboratory (FML), School of Materials & Mineral Resources, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China
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21
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Romero-Güiza MS, Mata-Alvarez J, Chimenos JM, Astals S. The effect of magnesium as activator and inhibitor of anaerobic digestion. WASTE MANAGEMENT (NEW YORK, N.Y.) 2016; 56:137-142. [PMID: 27402564 DOI: 10.1016/j.wasman.2016.06.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Revised: 06/28/2016] [Accepted: 06/28/2016] [Indexed: 06/06/2023]
Abstract
Anaerobic digestion stands as a key technology in the emerging green energy economy. Mg(2+) has been identified as an important element to improve digesters methane production; however the inhibition risk that high Mg(2+) concentrations can cause to the AD process must also be considered when dosing Mg reagents and wastes containing Mg(2+). Despite its importance, Mg(2+) stimulation and inhibition mechanisms as well as threshold values are scarce in the literature. This research paper investigates the impact (stimulation and inhibition) of Mg(2+) on pig manure anaerobic digestion. Mathematical modelling was used to better understand the interaction between substrate, inoculum and magnesium, where Mg(2+) inhibition was modelled by a n-component non-competitive inhibition function. Modelling was done on absolute curves rather than specific methane productions curves (new approach) to account for the lower background methane production of the inoculum as the Mg(2+) concentration increased. Results showed that no stimulation or inhibition occurred between 40 (native concentration) and 400mgMg(2+)L(-1), while minor and major inhibition were observed at 750 and 1000mgMg(2+)L(-1), and at 2000 and 4000mgMg(2+)L(-1), respectively. Mg(2+) half maximal inhibition concentration was estimated at 2140mgMg(2+)L(-1) with an inhibition order of 2. The latter indicates that Mg(2+) inhibition is a progressive rather than a steep inhibition mechanism.
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Affiliation(s)
- M S Romero-Güiza
- Department of Chemical Engineering, University of Barcelona, C/Martí i Franquès 1, 08028 Barcelona, Spain; Department of Materials Science and Metallurgical Engineering, University of Barcelona, C/Martí i Franquès 1, 08028 Barcelona, Spain
| | - J Mata-Alvarez
- Department of Chemical Engineering, University of Barcelona, C/Martí i Franquès 1, 08028 Barcelona, Spain
| | - J M Chimenos
- Department of Materials Science and Metallurgical Engineering, University of Barcelona, C/Martí i Franquès 1, 08028 Barcelona, Spain
| | - S Astals
- Department of Chemical Engineering, University of Barcelona, C/Martí i Franquès 1, 08028 Barcelona, Spain; Advanced Water Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia.
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22
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Jang HM, Ha JH, Kim MS, Kim JO, Kim YM, Park JM. Effect of increased load of high-strength food wastewater in thermophilic and mesophilic anaerobic co-digestion of waste activated sludge on bacterial community structure. WATER RESEARCH 2016; 99:140-148. [PMID: 27155112 DOI: 10.1016/j.watres.2016.04.051] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 04/14/2016] [Accepted: 04/20/2016] [Indexed: 06/05/2023]
Abstract
In recent years, anaerobic co-digestion (AcoD) has been widely used to improve reactor performance, especially methane production. In this study, we applied two different operating temperatures (thermophilic and mesophilic) and gradually increased the load of food wastewater (FWW) to investigate the bacterial communities during the AcoD of waste activated sludge (WAS) and FWW. As the load of FWW was increased, methane production rate (MPR; L CH4/L d) and methane content (%) in both Thermophilic AcoD (TAcoD) and Mesophilic AcoD (MAcoD) increased significantly; the highest MPR and methane content in TAcoD (1.423 L CH4/L d and 68.24%) and MAcoD (1.233 L CH4/L d and 65.21%) were observed when the FWW mixing ratio was 75%. However, MPR and methane yield in both reactors decreased markedly and methane production in TAcoD ceased completely when only FWW was fed into the reactor, resulting from acidification of the reactor caused by accumulation of organic acids. Pyrosequencing analysis revealed a decrease in bacterial diversity in TAcoD and a markedly different composition of bacterial communities between TAcoD and MAcoD with an increase in FWW load. For example, Bacterial members belonging to two genera Petrotoga (assigned to phylum Thermotogae) and Petrimonas (assigned to phylum Bacteroidetes) became dominant in TAcoD and MAcoD with an increase in FWW load, respectively. In addition, quantitative real-time PCR (qPCR) results showed higher bacterial and archaeal populations (expressed as 16S rRNA gene concentration) in TAcoD than MAcoD with an increase in FWW load and showed maximum population when the FWW mixing ratio was 75% in both reactors. Collectively, this study demonstrated the dynamics of key bacterial communities in TAcoD and MAcoD, which were highly affected by the load of FWW.
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Affiliation(s)
- Hyun Min Jang
- School of Environmental Science and Engineering, Gwangju Institute of Science and Technology, Buk-gu, Gwangju 500-712, Republic of Korea
| | - Jeong Hyub Ha
- Department of Integrated Environmental Systems, Pyeongtaek University, Seodong-daero 3825, Pyeongtaek 450-701, Republic of Korea
| | - Mi-Sun Kim
- Biomass and Waste Energy Laboratory, Korea Institute of Energy Research, Yuseong-gu, Daejeon 305-343, Republic of Korea
| | - Jong-Oh Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul 133-791, Republic of Korea
| | - Young Mo Kim
- School of Environmental Science and Engineering, Gwangju Institute of Science and Technology, Buk-gu, Gwangju 500-712, Republic of Korea.
| | - Jong Moon Park
- School of Environmental Science and Engineering, Pohang University of Science and Technology, Pohang, Kyungbuk 790-784, Republic of Korea.
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23
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Plácido J, Capareda S. Conversion of residues and by-products from the biodiesel industry into value-added products. BIORESOUR BIOPROCESS 2016. [DOI: 10.1186/s40643-016-0100-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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24
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Wang H, Tao Y, Gao D, Liu G, Chen C, Ren N, van Lier JB, de Kreuk M. Microbial population dynamics in response to increasing loadings of pre-hydrolyzed pig manure in an expanded granular sludge bed. WATER RESEARCH 2015; 87:29-37. [PMID: 26378729 DOI: 10.1016/j.watres.2015.09.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 08/26/2015] [Accepted: 09/05/2015] [Indexed: 06/05/2023]
Abstract
In recent years, pig manure (PM) has been regarded as a valuable substrate for energy and resource recovery via bioprocesses such as anaerobic digestion (AD), however, the efficiency of digesting raw PM is limited by the presence of refractory compounds. In this study, we applied a series of pretreatment on raw PM, consisting of subsequent thermochemical pretreatment, enzymatic hydrolysis, tyndallization and filtration. The liquid PM hydrolysates were fed to an expanded granular sludge bed (EGSB) for the production of biogas. The general performance and population dynamics of the EGSB reactor were assessed during an extended operational period of 339 days. An efficient and stable digestion process was achieved under high organic loading rates (OLRs) up to 21 kg-COD/(m(3)·d), agreeing with a sludge loading rate of 0.75 kg-COD/(kg-VSS·d), 1600 mg-NH4(+)-N/L and 17 mg/L of free ammonia nitrogen. The tyndallization decreased the total amount of active cells from 1 × 10(8) to 1 × 10(2) CFU/ml. Hence, bio-augmentation with pigs' intestinal microbiota was absent and the community dynamics were mainly credited to the composition of the substrate (i.e. PM hydrolysates) and the environmental conditions inside the reactor. The results showed the influence of both the seed community and the imposed loading rates on the evolutionary trajectory of the EGSB microbial community. Four bacterial genera (Clostridium, Cytophaga, Bacillus and Bacteroides) and two methanogenic genera (Methanosaeta and Methanobacterium) dominated the communities. An obvious shift from aceticlastic Methanosaeta to hydrogenotrophic Methanobacterium appeared when the OLR was increased to over 10 kg-COD/(m(3)·d).
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Affiliation(s)
- Haoyu Wang
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, 150090, Harbin, China; Section of Sanitary Engineering, Department of Water Management, Delft University of Technology, 2628, CN Delft, The Netherlands
| | - Yu Tao
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, 150090, Harbin, China; Section of Sanitary Engineering, Department of Water Management, Delft University of Technology, 2628, CN Delft, The Netherlands; Department of Chemical Engineering, Imperial College London, South Kensington Campus, SW7 2AZ, UK
| | - Dawen Gao
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, 150090, Harbin, China
| | - Gang Liu
- Section of Sanitary Engineering, Department of Water Management, Delft University of Technology, 2628, CN Delft, The Netherlands
| | - Chunhong Chen
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, 150090, Harbin, China
| | - Nanqi Ren
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, 150090, Harbin, China.
| | - Jules B van Lier
- Section of Sanitary Engineering, Department of Water Management, Delft University of Technology, 2628, CN Delft, The Netherlands
| | - Merle de Kreuk
- Section of Sanitary Engineering, Department of Water Management, Delft University of Technology, 2628, CN Delft, The Netherlands
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25
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Romero-Güiza MS, Tait S, Astals S, Del Valle-Zermeño R, Martínez M, Mata-Alvarez J, Chimenos JM. Reagent use efficiency with removal of nitrogen from pig slurry via struvite: A study on magnesium oxide and related by-products. WATER RESEARCH 2015; 84:286-294. [PMID: 26255126 DOI: 10.1016/j.watres.2015.07.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 07/06/2015] [Accepted: 07/24/2015] [Indexed: 06/04/2023]
Abstract
Controlled struvite formation has been attracting increasing attention as a near mature technology to recover nutrients from wastewater. However, struvite feasibility is generally limited by the high cost of chemical reagents. With the aim to understand and control reagent use efficiency, experiments and equilibrium model simulations examined inorganic nitrogen (TAN) removal from pig manure via struvite with added magnesium and phosphate reagents. Four industrial magnesium oxide (MgO), a commercial product and three by-products from magnesite calcination, were tested with phosphate added as a highly soluble potassium salt. TAN removal extents with the MgOs ranged from 47 to 72%, with the highest grade MgO providing the greatest extent of TAN removal. However, model analysis showed that all the MgO reagents were poorly soluble (only about 40% of added magnesium actually dissolved). The model results suggested that this poor dissolution was due to kinetic limitations, not solubility constraints. A further set of additional reagents (termed stabilization agents) were prepared by pre-treating the MgO reagents with phosphoric acid, and were tested separately as a source of both magnesium and phosphate. Results showed that acid pre-treatment of moderate to highly reactive MgOs (soft to medium-burnt) primarily formed bobierrite as the stabilizing agent, whereas the pre-treatment of very low reactivity MgOs (dead-burnt) mostly formed newberyite. The newberyite stabilizing agents achieved very high TAN removal extents of about 80%, which is significant, considering that these were formed from dead-burnt/low-grade MgOs. However, the bobierrite stabilizing agents achieved a substantially lower TAN removal extent than their medium-to-high reactivity precursor MgOs. Again, model analysis showed that the bobierrite stabilizing agents were poorly soluble, due to kinetic limitations, not solubility constraints. In contrast, the model suggested that the newberyite stabilizing agents almost completely dissolved to very effectively form struvite. A mechanism was proposed by which conditions near a dissolving reagent particle surface causes unwanted struvite nucleation onto and overgrowth of the reagent particle, inhibiting further dissolution and markedly reducing reagent efficiency. The findings of the study could have implications for reagent efficiency with struvite in general, even when using other solid reagents such as magnesium hydroxide or other MgOs.
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Affiliation(s)
- M S Romero-Güiza
- Department of Materials Science and Metallurgical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 7th Floor, 08028 Barcelona, Spain; Department of Chemical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 6th Floor, 08028 Barcelona, Spain; IRTA, GIRO Joint Research Unit IRTA-UPC, Torre Marimon, 08140, Caldes de Montbui, Barcelona, Spain
| | - S Tait
- Advanced Water Management Centre, The University of Queensland, Brisbane, QLD 4072, Australia
| | - S Astals
- Department of Chemical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 6th Floor, 08028 Barcelona, Spain; Advanced Water Management Centre, The University of Queensland, Brisbane, QLD 4072, Australia
| | - R Del Valle-Zermeño
- Department of Materials Science and Metallurgical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 7th Floor, 08028 Barcelona, Spain
| | - M Martínez
- Department of Materials Science and Metallurgical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 7th Floor, 08028 Barcelona, Spain
| | - J Mata-Alvarez
- Department of Chemical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 6th Floor, 08028 Barcelona, Spain
| | - J M Chimenos
- Department of Materials Science and Metallurgical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 7th Floor, 08028 Barcelona, Spain.
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26
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Chow WL, Chan YJ, Chong MF. A new energy source from the anaerobic co-digestion (acd) treatment of oleo chemical effluent with glycerin pitch. ASIA-PAC J CHEM ENG 2015. [DOI: 10.1002/apj.1902] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Wei Ling Chow
- Department of Chemical and Environmental Engineering; University of Nottingham, Malaysia Campus; Jalan Broga 43500 Semenyih Selangor DE Malaysia
| | - Yi Jing Chan
- Department of Chemical and Environmental Engineering; University of Nottingham, Malaysia Campus; Jalan Broga 43500 Semenyih Selangor DE Malaysia
| | - Mei Fong Chong
- Department of Chemical and Environmental Engineering; University of Nottingham, Malaysia Campus; Jalan Broga 43500 Semenyih Selangor DE Malaysia
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27
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Jensen PD, Astals S, Lu Y, Devadas M, Batstone DJ. Anaerobic codigestion of sewage sludge and glycerol, focusing on process kinetics, microbial dynamics and sludge dewaterability. WATER RESEARCH 2014; 67:355-366. [PMID: 25459224 DOI: 10.1016/j.watres.2014.09.024] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Revised: 08/30/2014] [Accepted: 09/19/2014] [Indexed: 06/04/2023]
Abstract
Anaerobic codigestion (AcoD) is a proven option to significantly boost biogas production while utilizing existing digesters and infrastructure. The aim of the present research was to conduct an exhaustive study regarding anaerobic codigestion of mixed sewage sludge and crude glycerol considering impacts on organic load, hydraulic load, process performance and microbial community. The methane potential of crude glycerol varied from 370 mL CH4·g(-1) VS to 483 mL CH4·g(-1) VS for different samples tested. The half maximal inhibitory concentration of crude glycerol was 1.01 g VS L(-1), and the primary mechanism of inhibition was through overload from rapid fermentation rather than the presence of toxic compounds in the crude glycerol. In continuous operation over 200 days, feeding glycerol at up to 2% v/v, increased organic load by up to 70% and resulted in a 50% increase in methane production. Glycerol dosing resulted in no change in apparent dewaterability, with both codigestion and control reactors returning values of 22%-24%. Members of the phylum Thermotogae emerged as a niche population during AcoD of sewage sludge and glycerol; however there was no gross change in microbial community structure and only minimal changes in diversity. AcoD did not result in synergisms between sewage sludge and crude glycerol. Actually, at dose rate up to 2% v/v glycerol dosing is still an effective strategy to increase the organic loading rate of continuous anaerobic digesters with minimal impact of the hydraulic retention time. Nonetheless, the dose rate must be managed to: (i) prevent process inhibition and (ii) ensure sufficient degradation time to produce a stable biosolids product.
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Affiliation(s)
- P D Jensen
- Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia.
| | - S Astals
- Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia; Department of Chemical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 6th Floor, 08028 Barcelona, Spain.
| | - Y Lu
- Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia.
| | - M Devadas
- Integrated Planning, Melbourne Water, 990 Latrobe Street, Docklands, Victoria 3001, Australia.
| | - D J Batstone
- Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia.
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28
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Astals S, Batstone DJ, Mata-Alvarez J, Jensen PD. Identification of synergistic impacts during anaerobic co-digestion of organic wastes. BIORESOURCE TECHNOLOGY 2014; 169:421-427. [PMID: 25079207 DOI: 10.1016/j.biortech.2014.07.024] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Revised: 06/30/2014] [Accepted: 07/04/2014] [Indexed: 05/26/2023]
Abstract
Anaerobic co-digestion has been widely investigated, but there is limited analysis of interaction between substrates. The objective of this work was to assess the role of carbohydrates, protein and lipids in co-digestion behaviour separately, and together. Two sets of batch tests were done, each set consisting of the mono-digestion of three substrates, and the co-digestion of seven mixtures. The first was done with pure substrates--cellulose, casein and olive oil--while in the second slaughterhouse waste--paunch, blood and fat--were used as carbohydrate, protein and lipid sources, respectively. Synergistic effects were mainly improvement of process kinetics without a significant change in biodegradability. Kinetics improvement was linked to the mitigation of inhibitory compounds, particularly fats dilution. The exception was co-digestion of paunch with lipids, which resulted in an improved final yield with model based analysis indicating the presence of paunch improved degradability of the fatty feed.
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Affiliation(s)
- S Astals
- Department of Chemical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 6th Floor, 08028 Barcelona, Spain; Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia
| | - D J Batstone
- Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia
| | - J Mata-Alvarez
- Department of Chemical Engineering, University of Barcelona, C/ Martí i Franquès, No. 1, 6th Floor, 08028 Barcelona, Spain
| | - P D Jensen
- Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia.
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Li J, Wei L, Duan Q, Hu G, Zhang G. Semi-continuous anaerobic co-digestion of dairy manure with three crop residues for biogas production. BIORESOURCE TECHNOLOGY 2014; 156:307-313. [PMID: 24525215 DOI: 10.1016/j.biortech.2014.01.064] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 01/13/2014] [Accepted: 01/15/2014] [Indexed: 06/03/2023]
Abstract
The characteristics of anaerobic semi-continuous co-digestion of dairy manure (DM) with three crop straw residues (SRs), rice straw, corn stalks and wheat straw under five mass mixing ratios (SRs/DM) were investigated. During the anaerobic digestion (AD) process, four periods were identified: startup, first stage of stabilization, second stage of stabilization, and suppression. Following the four periods, the biogas production rate varied between 101 and 576mL L(-1)d(-1). A high CH4 content and volatile solid reduction was maintained at the SRs/DM mass mixing ratio 1:9. The highest cumulative biogas production of more than 19L was obtained at ratio 5:5. However, ratio 9:1 performed worst in the whole process. Systematic analysis of the elements revealed nitrogen, phosphorus, and trace elements contents were important for the AD. Overall, the semi-continuous AD is efficient within a wide range of SRs/DM mass mixing ratios.
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Affiliation(s)
- Jiang Li
- Biogas Scientific Research Institute of the Ministry of Agriculture, Chengdu 610041, China
| | - Luoyu Wei
- Biogas Scientific Research Institute of the Ministry of Agriculture, Chengdu 610041, China
| | - Qiwu Duan
- Biogas Scientific Research Institute of the Ministry of Agriculture, Chengdu 610041, China
| | - Guoquan Hu
- Biogas Scientific Research Institute of the Ministry of Agriculture, Chengdu 610041, China
| | - Guozhi Zhang
- Biogas Scientific Research Institute of the Ministry of Agriculture, Chengdu 610041, China.
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Astals S, Esteban-Gutiérrez M, Fernández-Arévalo T, Aymerich E, García-Heras JL, Mata-Alvarez J. Anaerobic digestion of seven different sewage sludges: a biodegradability and modelling study. WATER RESEARCH 2013; 47:6033-6043. [PMID: 23938118 DOI: 10.1016/j.watres.2013.07.019] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 06/25/2013] [Accepted: 07/16/2013] [Indexed: 06/02/2023]
Abstract
Seven mixed sewage sludges from different wastewater treatment plants, which have an anaerobic digester in operation, were evaluated in order to clarify the literature uncertainty with regard to the sewage sludge characterisation and biodegradability. Moreover, a methodology is provided to determine the Anaerobic Digestion Model No. 1 parameters, coefficients and initial state variables as well as a discussion about the accuracy of the first order solubilisation constant, which was obtained through biomethane potential test. The results of the biomethane potential tests showed ultimate methane potentials from 188 to 214 mL CH4 g(-1) CODfed, COD removals between 58 and 65% and two homogeneous groups for the first order solubilisation constant: (i) the lowest rate group from 0.23 to 0.35 day(-1) and (ii) the highest rate group from 0.27 to 0.43 day(-1). However, no statistically significant relationship between the ultimate methane potential or the disintegration constant and the sewage sludge characterisation was found. Next, a methodology based on the sludge characterisation before and after the biomethane potential test was developed to calculate the biodegradable fraction, the composite concentration and stoichiometric coefficients and the soluble COD of the sewage sludge; required parameters for the implementation of the Anaerobic Digestion Model No. 1. The comparison of the experimental and the simulation results proved the consistency of the developed methodology. Nevertheless, an underestimation of the first order solubilisation constant was detected when the experimental results were simulated with the solubilisation constant obtained from the linear regression experimental data fitting. The latter phenomenon could be related to the accumulation of intermediary compounds during the biomethane potential assay.
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Affiliation(s)
- S Astals
- Department of Chemical Engineering, University of Barcelona, C/Martí i Franquès, No. 1, 6th Floor, 08028 Barcelona, Spain.
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