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Hollas CE, Rodrigues HC, Oyadomari VMA, Bolsan AC, Venturin B, Bonassa G, Tápparo DC, Abilhôa HCZ, da Silva JFF, Michelon W, Cavaler JP, Antes FG, Steinmetz RLR, Treichel H, Kunz A. The potential of animal manure management pathways toward a circular economy: a bibliometric analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:73599-73621. [PMID: 36071358 DOI: 10.1007/s11356-022-22799-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 08/26/2022] [Indexed: 06/15/2023]
Abstract
Improper disposal of animal waste is responsible for several environmental problems, causing eutrophication of lakes and rivers, nutrient overload in the soil, and the spread of pathogenic organisms. Despite the potential to cause adverse ecological damage, animal waste can be a valuable source of resources if incorporated into a circular concept. In this sense, new approaches focused on recovery and reuse as substitutes for traditional processes based on removing contaminants in animal manure have gained attention from the scientific community. Based on this, the present work reviewed the literature on the subject, performing a bibliometric and scientometric analysis of articles published in peer-reviewed journals between 1991 and 2021. Of the articles analyzed, the main issues addressed were nitrogen and phosphorus recovery, energy generation, high-value-added products, and water reuse. The energy use of livestock waste stands out since it is characterized as a consolidated solution, unlike other routes still being developed, presenting the economic barrier as the main limiting factor. Analyzing the trend of technological development through the S curve, it was possible to verify that the circular economy in the management of animal waste will enter the maturation phase as of 2036 and decline in 2056, which demonstrates opportunities for the sector's development, where animal waste can be an economic agent, promoting a cleaner and more viable product for a sustainable future.
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Affiliation(s)
- Camila Ester Hollas
- UNIOESTE/CCET/PGEAGRI, Universidade Estadual Do Oeste Do Paraná, Cascavel, PR, Brazil
| | | | | | | | - Bruno Venturin
- UNIOESTE/CCET/PGEAGRI, Universidade Estadual Do Oeste Do Paraná, Cascavel, PR, Brazil
| | - Gabriela Bonassa
- UNIOESTE/CCET/PGEAGRI, Universidade Estadual Do Oeste Do Paraná, Cascavel, PR, Brazil
| | | | | | | | | | - Jadiane Paola Cavaler
- UNIOESTE/CCET/PGEAGRI, Universidade Estadual Do Oeste Do Paraná, Cascavel, PR, Brazil
| | | | | | - Helen Treichel
- Universidade Federal da Fronteira Sul, Erechim, RS, 99700-970, Brazil
| | - Airton Kunz
- UNIOESTE/CCET/PGEAGRI, Universidade Estadual Do Oeste Do Paraná, Cascavel, PR, Brazil.
- Embrapa Suínos E Aves, Concórdia, SC, 89715-899, Brazil.
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Druskovic M, Vouk D, Posavcic H, Halkijevic I, Nad K. The application of electrochemical processes in oily wastewater treatment: a review. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2021; 56:1373-1386. [PMID: 34783645 DOI: 10.1080/10934529.2021.1999714] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 06/13/2023]
Abstract
Oily wastewater is becoming a concern worldwide due to its quantities and the presence of contaminants and its sustainable treatment should be cost-effective and meet all requirements so the contaminants are not transferred to the environment. The paper reviews the state-of-the-art in the oily wastewater treatment by electrochemical processes such as electrochemical advanced oxidation processes and electrocoagulation. Efficiency of oily wastewater treatment has been thoroughly investigated with its expression as a function of the main technological (process) parameters. Fe and Al electrodes, as well as their combination have proven to be very effective in oily wastewater treatment with slightly better performance of Al electrodes. Higher current densities and longer reaction times result with higher COD, TOC, turbidity, phenol and oil and grease removal efficiencies, but with resulting increase in wastewater temperature and energy consumption, so there is a strong need for the process optimization. There is a need for further research on the treatment efficiencies of different contaminants (heavy metals, total hydrocarbons, organic halogens, cyanides, etc.). A lack of research is presented on the treatment efficiency with electrodes of different materials as well as the analyses of the sludge production and its further treatment and use or disposal.
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Affiliation(s)
| | - Drazen Vouk
- Faculty of Civil Engineering, University of Zagreb, Zagreb, Croatia
| | - Hana Posavcic
- Faculty of Civil Engineering, University of Zagreb, Zagreb, Croatia
| | - Ivan Halkijevic
- Faculty of Civil Engineering, University of Zagreb, Zagreb, Croatia
| | - Karlo Nad
- Rudjer Boskovic Institute, Zagreb, Croatia
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Wang W, Cui J, Li J, Du J, Chang Y, Cui J, Liu X, Fan X, Yao D. Removal effects of different emergent-aquatic-plant groups on Cu, Zn, and Cd compound pollution from simulated swine wastewater. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 296:113251. [PMID: 34271356 DOI: 10.1016/j.jenvman.2021.113251] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/15/2021] [Accepted: 07/08/2021] [Indexed: 06/13/2023]
Abstract
Aquatic plants play effective in removing heavy metal (HM) as a prominent factor of bioremediations, however, there are still knowledge gaps in species selection and configuration for high removal efficiency (RE) of compound HM and ornamental value. In this study, seven emergent-aquatic-plant species were configured into seven groups and planted in a simulated swine wastewater (SW) with Cu, Zn, and Cd for 75 days in summer. REs of Cu, Zn, and Cd were 45.06-86.93%, 42.40-87.22%, and 73.85-85.52% at day 75, respectively. Higher REs were observed from day 30-45 for Cu and Zn, whereas days 15-30 for Cd. The synergistic removal of Zn and Cu or Zn and Cd was almost observed (p < 0.05). The configuration of G5 (S. tabernaemontani, I. sibirica, and P. cordata) was generally efficient roles in the removal at day 45, with REs of 85.14%, 87.06%, and 83.56% for Cu, Zn, and Cd, respectively. The dry weight of roots, water NH4+-N, temperature, pH, and dissolved oxygen acted on heavy-metal removal. During days 45-75, concentrations of Cu, Zn, and Cd in G5 were 0.52-0.66, 0.54-0.65, and 0.23-0.33 mg L-1. The former two were below the limits of Grade Ⅱ (1.0 mg L-1) and the latter was above the limits of Grade Ⅴ (0.1 mg L-1; GB3838-2002). Thus, G5 could be optimal for Cu and Zn removal from simulated SW, however, efficient Cd removal is required to ensure efficient SW recycling.
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Affiliation(s)
- Wei Wang
- Farmland Irrigation Research Institute, CAAS / Key Laboratory of High-efficient and Safe Utilization of Agriculture Water Resources, Chinese Academy of Agricultural Sciences, Xinxiang, 453002, China; Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Jian Cui
- Farmland Irrigation Research Institute, CAAS / Key Laboratory of High-efficient and Safe Utilization of Agriculture Water Resources, Chinese Academy of Agricultural Sciences, Xinxiang, 453002, China; Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China.
| | - Jinfeng Li
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Jinmeng Du
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; School of Water Conservancy and Environment, Chang'an University, Xi'an, 710054, China
| | - Yajun Chang
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Jianwei Cui
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Xiaojing Liu
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Xiangyang Fan
- Farmland Irrigation Research Institute, CAAS / Key Laboratory of High-efficient and Safe Utilization of Agriculture Water Resources, Chinese Academy of Agricultural Sciences, Xinxiang, 453002, China
| | - Dongrui Yao
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
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Second-Generation Phosphorus: Recovery from Wastes towards the Sustainability of Production Chains. SUSTAINABILITY 2021. [DOI: 10.3390/su13115919] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Phosphorus (P) is essential for life and has a fundamental role in industry and the world food production system. The present work describes different technologies adopted for what is called the second-generation P recovery framework, that encompass the P obtained from residues and wastes. The second-generation P has a high potential to substitute the first-generation P comprising that originally mined from rock phosphates for agricultural production. Several physical, chemical, and biological processes are available for use in second-generation P recovery. They include both concentrating and recovery technologies: (1) chemical extraction using magnesium and calcium precipitating compounds yielding struvite, newberyite and calcium phosphates; (2) thermal treatments like combustion, hydrothermal carbonization, and pyrolysis; (3) nanofiltration and ion exchange methods; (4) electrochemical processes; and (5) biological processes such as composting, algae uptake, and phosphate accumulating microorganisms (PAOs). However, the best technology to use depends on the characteristic of the waste, the purpose of the process, the cost, and the availability of land. The exhaustion of deposits (economic problem) and the accumulation of P (environmental problem) are the main drivers to incentivize the P’s recovery from various wastes. Besides promoting the resource’s safety, the recovery of P introduces the residues as raw materials, closing the productive systems loop and reducing their environmental damage.
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