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Yang Y, Han T, Wang J. Ultrafast and highly efficient Cd(II) and Pb(II) removal by magnetic adsorbents derived from gypsum and corncob: Performances and mechanisms. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 275:116265. [PMID: 38547730 DOI: 10.1016/j.ecoenv.2024.116265] [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: 01/11/2024] [Revised: 02/19/2024] [Accepted: 03/25/2024] [Indexed: 04/12/2024]
Abstract
The utilization of gypsum and biomass in environmental remediation has become a novel approach to promote waste recycling. Generally, raw waste materials exhibit limited adsorption capacity for heavy metal ions (HMIs) and often result in poor solid-liquid separation. In this study, through co-pyrolysis with corncob waste, titanium gypsum (TiG) was transformed into magnetic adsorbents (GCx, where x denotes the proportion of corncob in the gypsum-corncob mixture) for the removal of Cd(II) and Pb(II). GC10, the optimal adsorbent, which was composed primarily of anhydrite, calcium sulfide, and magnetic Fe3O4, exhibited significantly faster adsorption kinetics (rate constant k1 was 218 times and 9 times of raw TiG for Cd(II) and Pb(II)) and higher adsorption capacity (Qe exceeded 200 mg/g for Cd(II) and 400 mg/g for Pb(II)) than raw TiG and previous adsorbents. Cd(II) removal was more profoundly inhibited in a Cd(II) + Pb(II) binary system, suggesting that GC10 showed better selectivity for Pb(II). Moreover, GC10 could be easily separated from purified water for further recovery, due to its high saturation magnetization value (6.3 emu/g). The superior removal capabilities of GC10 were due to adsorption and surface precipitation of metal sulfides and metal sulfates on the adsorbent surface. Overall, these waste-derived magnetic adsorbents provide a novel and sustainable approach to waste recycling and the deep purification of multiple HMIs.
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Affiliation(s)
- Yuhong Yang
- School of Water Conservancy, Henan Key Laboratory of Water Environment Simulation and Treatment, North China University of Water Resources and Electric Power, Zhengzhou, Henan 450046, PR China
| | - Tongtong Han
- School of Water Conservancy, Henan Key Laboratory of Water Environment Simulation and Treatment, North China University of Water Resources and Electric Power, Zhengzhou, Henan 450046, PR China
| | - Jing Wang
- International Joint Laboratory of Henan Province for Environmental Functional Materials, Institute of Chemistry, Henan Academy of Sciences, Zhengzhou, Henan 450002, PR China.
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2
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Rashid MI, Yaqoob Z, Mujtaba M, Kalam M, Fayaz H, Qazi A. Carbon capture, utilization and storage opportunities to mitigate greenhouse gases. Heliyon 2024; 10:e25419. [PMID: 38333824 PMCID: PMC10850911 DOI: 10.1016/j.heliyon.2024.e25419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/15/2024] [Accepted: 01/25/2024] [Indexed: 02/10/2024] Open
Abstract
Carbon capture, utilization and storage (CCUS) technologies are utmost need of the modern era. CCUS technologies adoption is compulsory to keep global warming below 1.5 °C. Mineral carbonation (MC) is considered one of the safest and most viable methods to sequester anthropogenic carbon dioxide (CO2). MC is an exothermic reaction and occur naturally in the subsurface because of fluid-rock interactions with serpentinite. In serpentine carbonation, CO2 reacts with magnesium to produce carbonates. This article covers CO2 mitigation technologies especially mineral carbonation, mineral carbonation by natural and industrial materials, mineral carbonation feedstock availability in Pakistan, detailed characterization of serpentine from Skardu serpentinite belt, geo sequestration, oceanic sequestration, CO2 to urea and CO2 to methanol and other chemicals. Advantages, disadvantages, and suitability of these technologies is discussed. These technologies are utmost necessary for Pakistan as recent climate change induced flooding devastated one third of Pakistan affecting millions of families. Hence, Pakistan must store CO2 through various CCUS technologies.
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Affiliation(s)
- Muhammad Imran Rashid
- Chemical, Polymer and Composite Materials Engineering Department, University of Engineering and Technology, Lahore (New Campus), 39021, Pakistan
| | - Zahida Yaqoob
- Department of Material Science and Engineering, Institute of Space Technology, Islamabad, 44000, Pakistan
| | - M.A. Mujtaba
- Department of Mechanical Engineering, UET Lahore (New Campus), Lahore 54890, Pakistan
| | - M.A. Kalam
- School of Civil and Environmental Engineering, FEIT University of Technology Sydney, NSW 2007, Australia
| | - H. Fayaz
- Modeling Evolutionary Algorithms Simulation and Artificial Intelligence, Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Atika Qazi
- Centre for Lifelong Learning, Universiti Brunei Darussalam, Brunei Darussalam
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Lin Y, Yan B, Mitas B, Li C, Fabritius T, Shu Q. Calcium carbonate synthesis from Kambara reactor desulphurization slag via indirect carbonation for CO 2 capture and utilization. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119773. [PMID: 38113789 DOI: 10.1016/j.jenvman.2023.119773] [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: 08/14/2023] [Revised: 11/11/2023] [Accepted: 12/03/2023] [Indexed: 12/21/2023]
Abstract
In this work, industrial Kambara reactor desulphurization slag (KR slag) was indirectly carbonated. The effects of leaching time, leaching temperature, leaching agent types, and leaching agent concentration on the leaching ratio of calcium from KR slag were investigated. Subsequently, precipitated calcium carbonate (PCC) was synthesized by bubbling CO2 gas (flow rate of 15 mL/min) into 400 mL leaching solutions at 40 °C for 120 min with magnetic stirring at 300 rpm. It is found that calcium in KR slag can be selectively extracted using a diluted solution of ammonium acetate (CH3COONH4) or ammonium chloride (NH4Cl), while ammonium sulfate ((NH4)2SO4) solution is not suitable as leaching agent due to the formation of slightly soluble calcium sulfate (CaSO4). The leaching ratio of calcium is improved by extending the leaching time or increasing the leaching solvent concentration. However, leaching temperature has little effect on calcium extraction. After carbonating the NH4Cl- and CH3COONH4-leachate for 120 min, calcite and vaterite type PCC with a purity of 99% is synthesized. Each gram of KR slag can produce 0.794 g and 0.803 g PCC using NH4Cl and CH3COONH4 leaching agents respectively. Calculations show that 349.6 kg CO2 is captured by per ton of KR slag. The CO2 capture capacity of KR slag is significantly higher compared with previously studied materials.
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Affiliation(s)
- Yong Lin
- Jiangxi Province Key Laboratory of Cleaner Production of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341119, China; Key Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341119, China; School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
| | - Baijun Yan
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
| | - Bernhard Mitas
- Ferrous Metallurgy, Montanuniversitaet Leoben, Leoben, 8700, Austria.
| | - Chenglei Li
- Key Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341119, China.
| | - Timo Fabritius
- Process Metallurgy Research Unit, University of Oulu, Oulu, FI-90014, Finland.
| | - Qifeng Shu
- Process Metallurgy Research Unit, University of Oulu, Oulu, FI-90014, Finland.
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Yun YJ, Lee S, Kim Y, Ryu YB. Effect of Various Acid Solutions on the CO 2 Dissolution Rate, Morphology, and Particle Size of Precipitated Calcium Carbonate Synthesized Using Seashells. MATERIALS (BASEL, SWITZERLAND) 2023; 16:7665. [PMID: 38138807 PMCID: PMC10744467 DOI: 10.3390/ma16247665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/12/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023]
Abstract
In this study, the influence of acid solutions on the production of precipitated calcium carbonate (PCC) using seashells was investigated. In terms of the Ca dissolution efficiency and atmosphere for dissolving CO32-, the results indicate that HCl, HNO3, CH3COOH, and HCOOH at 1.0 M were the most ideal among the acid solutions. The use of weak acids resulted in the low degree of dissolution of Al and Fe. These impurities could be mostly removed through the pH adjustment process, leading to PCC with a purity of 99% or more. Further, CH3COOH and HCOOH exhibited low CaCO3 carbonation efficiency owing to the hydrogen bonding of the carboxyl group and its hindering effect on the growth of CaCO3 particles. In addition, in the presence of the carboxyl group, the morphology tended to be oval, and the particle size was small. Particularly, when CH3COOH was used, the combined effect of the low initial Ca ion concentration and slow CO2 dissolution rate resulted in minimal changes during the carbonation time and the smallest particle size. However, variations in the degree of Ca concentration with a change in the acid solution concentration influenced the dominance of nucleation and particle growth, leading to variations in the particle size. The results of this study revealed that when manufacturing PCC using seashells, the appropriate acid solution must be selected to obtain the required PCC properties.
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Affiliation(s)
- Yu Jeong Yun
- Green Materials and Processes R&D Group, Korea Institute of Industrial Technology, Ulsan 44413, Republic of Korea; (Y.J.Y.)
- Department of Materials Science and Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Siwoo Lee
- Green Materials and Processes R&D Group, Korea Institute of Industrial Technology, Ulsan 44413, Republic of Korea; (Y.J.Y.)
| | - Yangdo Kim
- Department of Materials Science and Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Young Bok Ryu
- Green Materials and Processes R&D Group, Korea Institute of Industrial Technology, Ulsan 44413, Republic of Korea; (Y.J.Y.)
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Molahid VLM, Kusin FM, Syed Hasan SNM. Mineralogical and chemical characterization of mining waste and utilization for carbon sequestration through mineral carbonation. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:4439-4460. [PMID: 36811700 DOI: 10.1007/s10653-023-01513-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 02/10/2023] [Indexed: 06/18/2023]
Abstract
Mining activities have often been associated with the issues of waste generation, while mining is considered a carbon-intensive industry that contributes to the increasing carbon dioxide emission to the atmosphere. This study attempts to evaluate the potential of reusing mining waste as feedstock material for carbon dioxide sequestration through mineral carbonation. Characterization of mining waste was performed for limestone, gold and iron mine waste, which includes physical, mineralogical, chemical and morphological analyses that determine its potential for carbon sequestration. The samples were characterized as having alkaline pH (7.1-8.3) and contain fine particles, which are important to facilitate precipitation of divalent cations. High amount of cations (CaO, MgO and Fe2O3) was found in limestone and iron mine waste, i.e., total of 79.55% and 71.31%, respectively, that are essential for carbonation process. Potential Ca/Mg/Fe silicates, oxides and carbonates have been identified, which was confirmed by the microstructure analysis. The limestone waste composed majorly of CaO (75.83%), which was mainly originated from calcite and akermanite minerals. The iron mine waste consisted of Fe2O3 (56.60%), mainly from magnetite and hematite, and CaO (10.74%) which was derived from anorthite, wollastonite and diopside. The gold mine waste was attributed to a lower cation content (total of 7.71%), associated mainly with mineral illite and chlorite-serpentine. The average capacity for carbon sequestration was between 7.73 and79.55%, which corresponds to 383.41 g, 94.85 g and 4.72 g CO2 that were potentially sequestered per kg of limestone, iron and gold mine waste, respectively. Therefore, it has been learned that the mine waste might be utilized as feedstock for mineral carbonation due to the availability of reactive silicate/oxide/carbonate minerals. Utilization of mine waste would be beneficial in light of waste restoration in most mining sites while tackling the issues of CO2 emission in mitigating the global climate change.
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Affiliation(s)
- Verma Loretta M Molahid
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Faradiella Mohd Kusin
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
- Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
| | - Sharifah Nur Munirah Syed Hasan
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
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Yang Y, Kou L, Chen H, Wang J. Synthesis of magnetic adsorbents from titanium gypsum and biomass wastes for enhanced phosphate removal. BIORESOURCE TECHNOLOGY 2023; 371:128609. [PMID: 36640817 DOI: 10.1016/j.biortech.2023.128609] [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: 12/07/2022] [Revised: 01/07/2023] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
A novel scheme was proposed to prepare magnetic adsorbents by co-pyrolysis of titanium gypsum (TiG) and agricultural biomass wastes for phosphate (P) recovery. Co-presence of biomass wastes could improve TiG decomposition in inert atmosphere to generate magnetic centers and active sites, and P adsorption correlated well with organic volatiles of biomass wastes. The adsorption process evolved from a biomass-controlled process to a TiG-controlled process when increasing the mass ratio of corncob above 10 %. The optimal adsorbent (i.e. GC10) exhibited higher P adsorption capacity (Qm 183 mg/g) than many previous adsorbents; moreover, it can be magnetically separated from water after P adsorption. Active sites including CaO, CaS and Fe3O4 were deemed as the main factors for P chemisorption and surface precipitation. Most of adsorbed P could be released continuously and slowly by dilute NaHCO3. These results highlight potential applications of TiG and biomass waste derived adsorbents in P purification and recovery.
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Affiliation(s)
- Yuhong Yang
- School of Water Conservancy, Henan Key Laboratory of Water Environment Simulation and Treatment, North China University of Water Resources and Electric Power, Zhengzhou, Henan 450046, PR China
| | - Lidong Kou
- School of Environment, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Henan Normal University, Xinxiang, Henan 453007, PR China; Institute of Chemistry, Henan Academy of Sciences, Zhengzhou, Henan 450002, PR China
| | - Huan Chen
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, PR China
| | - Jing Wang
- Institute of Chemistry, Henan Academy of Sciences, Zhengzhou, Henan 450002, PR China.
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Kusin FM, Hasan SNMS, Molahid VLM, Yusuff FM, Jusop S. Carbon dioxide sequestration of iron ore mining waste under low-reaction condition of a direct mineral carbonation process. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:22188-22210. [PMID: 36282383 DOI: 10.1007/s11356-022-23677-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
Mining waste that is rich in iron-, calcium- and magnesium-bearing minerals can be a potential feedstock for sequestering CO2 by mineral carbonation. This study highlights the utilization of iron ore mining waste in sequestering CO2 under low-reaction condition of a mineral carbonation process. Alkaline iron mining waste was used as feedstock for aqueous mineral carbonation and was subjected to mineralogical, chemical, and thermal analyses. A carbonation experiment was performed at ambient CO2 pressure, temperature of 80 °C at 1-h exposure time under the influence of pH (8-12) and particle size (< 38-75 µm). The mine waste contains Fe-oxides of magnetite and hematite, Ca-silicates of anorthite and wollastonite and Ca-Mg-silicates of diopside, which corresponds to 72.62% (Fe2O3), 5.82% (CaO), and 2.74% (MgO). Fe and Ca carbonation efficiencies were increased when particle size was reduced to < 38 µm and pH increased to 12. Multi-stage mineral transformation was observed from thermogravimetric analysis between temperature of 30 and 1000 °C. Derivative mass losses of carbonated products were assigned to four stages between 30-150 °C (dehydration), 150-350 °C (iron dehydroxylation), 350-700 °C (Fe carbonate decomposition), and 700-1000 °C (Ca carbonate decomposition). Peaks of mass losses were attributed to ferric iron reduction to magnetite between 662 and 670 °C, siderite decarbonization between 485 and 513 °C, aragonite decarbonization between 753 and 767 °C, and calcite decarbonization between 798 and 943 °C. A 48% higher carbonation rate was observed in carbonated products compared to raw sample. Production of carbonates was evidenced from XRD analysis showing the presence of siderite, aragonite, calcite, and traces of Fe carbonates, and about 33.13-49.81 g CO2/kg of waste has been sequestered from the process. Therefore, it has been shown that iron mining waste can be a feasible feedstock for mineral carbonation in view of waste restoration and CO2 emission reduction.
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Affiliation(s)
- Faradiella Mohd Kusin
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
- Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
| | - Sharifah Nur Munirah Syed Hasan
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Verma Loretta M Molahid
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Ferdaus Mohamat Yusuff
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Shamsuddin Jusop
- Department of Land Management, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
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Cao X, Zhang S, Zhao H, Zhong Y, Zhang R, Liu R. Technoeconomic Analysis of a Brine Purification Process─Combined Carbon Dioxide Mineralization and Hydromagnesite Recovery. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xuepu Cao
- College of Chemical and Pharmaceutical, Hebei University of Science & Technology, Shijiazhuang 050018, Hebei, P. R. China
| | - Shaokang Zhang
- College of Chemical and Pharmaceutical, Hebei University of Science & Technology, Shijiazhuang 050018, Hebei, P. R. China
| | - Hua Zhao
- College of Chemical and Pharmaceutical, Hebei University of Science & Technology, Shijiazhuang 050018, Hebei, P. R. China
| | - Yadong Zhong
- College of Chemical and Pharmaceutical, Hebei University of Science & Technology, Shijiazhuang 050018, Hebei, P. R. China
| | - Ruilei Zhang
- College of Chemical and Pharmaceutical, Hebei University of Science & Technology, Shijiazhuang 050018, Hebei, P. R. China
| | - Runjing Liu
- College of Chemical and Pharmaceutical, Hebei University of Science & Technology, Shijiazhuang 050018, Hebei, P. R. China
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Kölbl D, Memic A, Schnideritsch H, Wohlmuth D, Klösch G, Albu M, Giester G, Bujdoš M, Milojevic T. Thermoacidophilic Bioleaching of Industrial Metallic Steel Waste Product. Front Microbiol 2022; 13:864411. [PMID: 35495675 PMCID: PMC9043896 DOI: 10.3389/fmicb.2022.864411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/14/2022] [Indexed: 11/13/2022] Open
Abstract
The continuous deposition of hazardous metalliferous wastes derived from industrial steelmaking processes will lead to space shortages while valuable raw metals are being depleted. Currently, these landfilled waste products pose a rich resource for microbial thermoacidophilic bioleaching processes. Six thermoacidophilic archaea (Sulfolobus metallicus, Sulfolobus acidocaldarius, Metallosphaera hakonensis, Metallosphaera sedula, Acidianus brierleyi, and Acidianus manzaensis) were cultivated on metal waste product derived from a steelmaking process to assess microbial proliferation and bioleaching potential. While all six strains were capable of growth and bioleaching of different elements, A. manzaensis outperformed other strains and its bioleaching potential was further studied in detail. The ability of A. manzaensis cells to break down and solubilize the mineral matrix of the metal waste product was observed via scanning and transmission electron microscopy. Refinement of bioleaching operation parameters shows that changes in pH influence the solubilization of certain elements, which might be considered for element-specific solubilization processes. Slight temperature shifts did not influence the release of metals from the metal waste product, but an increase in dust load in the bioreactors leads to increased element solubilization. The formation of gypsum crystals in course of A. manzaensis cultivation on dust was observed and clarified using single-crystal X-ray diffraction analysis. The results obtained from this study highlight the importance of thermoacidophilic archaea for future small-scale as well as large-scale bioleaching operations and metal recycling processes in regard to circular economies and waste management. A thorough understanding of the bioleaching performance of thermoacidophilic archaea facilitates further environmental biotechnological advancements.
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Affiliation(s)
- Denise Kölbl
- Extremophiles/Space Biochemistry Group, Department of Biophysical Chemistry, University of Vienna, Vienna, Austria
| | - Alma Memic
- Extremophiles/Space Biochemistry Group, Department of Biophysical Chemistry, University of Vienna, Vienna, Austria
| | | | | | | | - Mihaela Albu
- Graz Centre for Electron Microscopy, Graz, Austria
| | - Gerald Giester
- Department of Mineralogy and Crystallography, University of Vienna, Vienna, Austria
| | - Marek Bujdoš
- Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia
| | - Tetyana Milojevic
- Extremophiles/Space Biochemistry Group, Department of Biophysical Chemistry, University of Vienna, Vienna, Austria
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Gong Y, Zhu X, Yang Z, Zhang X, Li C. Indirect aqueous carbonation of CaSO 4·2H 2O with aspartic acid as a recyclable additive. RSC Adv 2022; 12:26556-26564. [PMID: 36275170 PMCID: PMC9486826 DOI: 10.1039/d2ra03763g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 09/07/2022] [Indexed: 11/21/2022] Open
Abstract
Calcium leaching using additives is the most critical step in the indirect aqueous carbonation process of CaSO4·2H2O. However, recovery of the soluble additives from the sulfate-rich carbonation filtrate limits the large-scale industrial implementation of current carbonation technologies. To address this issue, we employed aspartic acid (Asp) as a leaching additive. The dissolution capability of CaSO4·2H2O in aqueous ammonia was found to improve significantly owing to the complexation effect between Asp and the Ca2+ ions. The maximum amount of dissolved CaSO4·2H2O was determined according to the competitive relationship between the complexing effect and the inhibitory effect of free ammonia molecules on the dissociation of CaSO4·2H2O, and the solution pH influences such competition. The precipitation of CaCO3 was examined by monitoring the variations in the pH and conductivity of the carbonation reaction system. As a result, the shift in the Asp dissociation equilibrium extended the induction period, and the growth period was divided into three stages according to the relative difference between the consumption and formation rates of CO32−. Moreover, it was determined that the carbonation products consisted of stable spherical vaterite particles. The recovery of Asp was also demonstrated at its isoelectric point, with a recovery efficiency of >80% being achieved, and recycling experiments confirmed the stability of the recycled Asp. Finally, the amount of dissolved CaSO4·2H2O and the total carbonation efficiency during cycling were determined as 16.3 ± 0.4 g L−1 and 46.5 ± 1.9%, respectively. Aspartic acid was employed as a recyclable additive during the indirect aqueous carbonation of CaSO4·2H2O. The multiple roles of aspartic acid were found to be Ca2+ leaching agent, CO2 absorbent, and CaCO3 polymorph regulator.![]()
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Affiliation(s)
- Yuan Gong
- School of Petrochemical Technology, Lanzhou University of Technology, Gansu, Lanzhou 730050, PR China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou University of Technology, Gansu, Lanzhou 730050, PR China
| | - Xuechen Zhu
- School of Petrochemical Technology, Lanzhou University of Technology, Gansu, Lanzhou 730050, PR China
| | - Zhuo Yang
- School of Petrochemical Technology, Lanzhou University of Technology, Gansu, Lanzhou 730050, PR China
| | - Xin Zhang
- School of Petrochemical Technology, Lanzhou University of Technology, Gansu, Lanzhou 730050, PR China
| | - Chunlei Li
- School of Petrochemical Technology, Lanzhou University of Technology, Gansu, Lanzhou 730050, PR China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou University of Technology, Gansu, Lanzhou 730050, PR China
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11
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Ho HJ, Iizuka A, Shibata E. Utilization of low-calcium fly ash via direct aqueous carbonation with a low-energy input: Determination of carbonation reaction and evaluation of the potential for CO 2 sequestration and utilization. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 288:112411. [PMID: 33823441 DOI: 10.1016/j.jenvman.2021.112411] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/25/2021] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
Environmental impacts from coal-fired power generation that produces large amounts of CO2 and fly ash are of great interest. To reduce negative environmental impacts, fly ash utilization was investigated via a direct aqueous carbonation with a low-energy input in which the alkali calcium content in the fly ash reacted with CO2 to form carbonate. Raw fly ash was characterized to understand the potential for direct aqueous carbonation of fly ash. The performance of the fly ash as a calcium source for direct aqueous carbonation at atmospheric pressure was investigated for different solid-liquid ratios and introduced CO2 concentrations. Variations in fly ash elemental composition, reaction solution pH, CO2 concentration in the reactor outlet, CO2 uptake efficiency, CaCO3 content and degree of carbonation were used to illustrate this process reaction. The maximum CO2 uptake efficiency was ~0.016 g-CO2/g-fly ash. This value was compared with previous studies, and the CO2 uptake efficiency was comparable despite the use of a low-energy input method, i.e., direct aqueous carbonation with atmospheric pressure and unconcentrated CO2. The calculated maximum degree of carbonation was 31.0%, which corresponds to 0.0063 g-CO2/g-fly ash. Carbonated product characterization confirmed the carbonation reaction mechanism and safety for further utilization. A comparison of CO2 uptake efficiency in this work with previous work, and considering the energy input and reactive species content, is provided. An assessment of the CO2 reduction potential is provided.
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Affiliation(s)
- Hsing-Jung Ho
- Department of Environmental Studies for Advanced Society, Graduate School of Environmental Studies, Tohoku University, 468-1, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-0845, Japan.
| | - Atsushi Iizuka
- Center for Mineral Processing and Metallurgy, Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan.
| | - Etsuro Shibata
- Center for Mineral Processing and Metallurgy, Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan
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Potential for CO2 Mineral Carbonation in the Paleogene Segamat Basalt of Malaysia. MINERALS 2020. [DOI: 10.3390/min10121045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Geological storage of carbon dioxide (CO2) requires the host rock to have the capacity to permanently store CO2 with minimum post-storage monitoring. Mineral carbonation in geological formations is one of the most promising approaches to CO2 storage as the captured CO2 is converted into stable carbonated minerals (e.g., calcite and magnesite). In this study, we investigated the geochemical and mineralogical characteristics of Segamat basalt in the Central Belt of Malaysia and evaluated its potential for mineral carbonation by using laboratory analyses of X–ray fluorescence (XRF), X–ray diffraction analysis (XRD) and petrographic study. The XRF results showed that Segamat basalt samples contain a number of elements such as Fe (21.81–23.80 wt.%), Ca (15.40–20.83 wt.%), and Mg (3.43–5.36 wt.%) that can react with CO2 to form stable carbonated minerals. The XRD and petrographic results indicated that Segamat basalt contains the reactive mineral groups of pyroxene and olivine, which are suitable for the mineral carbonation process. The results of this study could help to identify the spatial distribution of elements and minerals in the Segamat basalt and to assess its mineral carbonation potential for geological storage in Malaysia.
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Kashim MZ, Tsegab H, Rahmani O, Abu Bakar ZA, Aminpour SM. Reaction Mechanism of Wollastonite In Situ Mineral Carbonation for CO 2 Sequestration: Effects of Saline Conditions, Temperature, and Pressure. ACS OMEGA 2020; 5:28942-28954. [PMID: 33225124 PMCID: PMC7675570 DOI: 10.1021/acsomega.0c02358] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 10/05/2020] [Indexed: 06/11/2023]
Abstract
The research presented here investigates the reaction mechanism of wollastonite in situ mineral carbonation for carbon dioxide (CO2) sequestration. Because wollastonite contains high calcium (Ca) content, it was considered as a suitable feedstock in the mineral carbonation process. To evaluate the reaction mechanism of wollastonite for geological CO2 sequestration (GCS), a series of carbonation experiments were performed at a range of temperatures from 35 to 90 °C, pressures from 1500 to 4000 psi, and salinities from 0 to 90,000 mg/L NaCl. The kinetics batch modeling results were validated with carbonation experiments at the specific pressure and temperature of 1500 psi and 65 °C, respectively. The results showed that the dissolution of calcium increases with increment in pressure and salinity from 1500 to 4000 psi and 0 to 90000 mg/L NaCl, respectively. However, the calcium concentration decreases by 49%, as the reaction temperature increases from 35 to 90 °C. Besides, it is clear from the findings that the carbonation efficiency only shows a small difference (i.e., ±2%) for changing the pressure and salinity, whereas the carbonation efficiency was shown to be enhanced by 62% with increment in the reaction temperature. These findings can provide information about CO2 mineralization of calcium silicate at the GCS condition, which may enable us to predict the fate of the injected CO2, and its subsurface geochemical evolution during the CO2-fluid-rock interaction.
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Affiliation(s)
- M. Zuhaili Kashim
- Department of Geoscience, Universiti Teknologi PETRONAS (UTP), 32610Seri Iskandar, Tronoh, Perak Darul Ridzuan, Malaysia
- Department of Gas Sustainability Technology, PETRONAS Research Sdn Bhd, Kawasan Institusi Bangi, Kajang 43000, Selangor
Darul Ehsan, Malaysia
| | - Haylay Tsegab
- Department of Geoscience, Universiti Teknologi PETRONAS (UTP), 32610Seri Iskandar, Tronoh, Perak Darul Ridzuan, Malaysia
- Southeast Asia Carbonate
Research Laboratory, Universiti Teknologi
PETRONAS (UTP), Seri Iskandar 32610, Tronoh, Perak Darul
Ridzuan, Malaysia
| | - Omeid Rahmani
- Department of Natural
Resources Engineering and Management, School of Science and Engineering, University of Kurdistan Hewlêr (UKH), Erbil 44001, Kurdistan Region, Iraq
| | - Zainol Affendi Abu Bakar
- Department of Gas Sustainability Technology, PETRONAS Research Sdn Bhd, Kawasan Institusi Bangi, Kajang 43000, Selangor
Darul Ehsan, Malaysia
| | - Shahram M. Aminpour
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran 11365-11155, Iran
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Han Z, Gao J, Yuan X, Zhong Y, Ma X, Chen Z, Luo D, Wang Y. Microwave roasting of blast furnace slag for carbon dioxide mineralization and energy analysis. RSC Adv 2020; 10:17836-17844. [PMID: 35515632 PMCID: PMC9053635 DOI: 10.1039/d0ra02846k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 04/20/2020] [Indexed: 11/21/2022] Open
Abstract
For both the waste treatment of large quantities of blast furnace (BF) slag and carbon dioxide (CO2) that are discharged in ironworks, mineral carbonation by BF slag was proposed in this decade. However, it has not been widely used due to its high energy consumption and low production efficiency. In this study, a microwave roasting method was employed to mineralize CO2 with BF slag, and the process parameters for the sulfation and energy consumption were investigated. A mixture of BF slag and recyclable ammonium sulfate [(NH4)2SO4] (mass ratio, 1 : 2) was roasted in a microwave tube furnace, and then leached with distilled water at a solid : liquid ratio of 1 : 3 (g mL−1). Under the optimized experiment conditions (T = 340 °C, holding time = 2 min), the best sulfation ratios of calcium (Ca), magnesium (Mg), aluminum (Al), and titanium (Ti) were 93.3%, 98.3%, 97.5%, and 80.4%, respectively. Compared with traditional roasting, the production efficiency of this process was more than 10 times higher, and the energy consumption for mineralizing 1 kg of CO2 could be reduced by 40.2% after simulation with Aspen Plus v8.8. Moreover, 236.1 kg of CO2 could be mineralized by one ton of BF slag, and a series of by-products with economic value could also be obtained. The proposed process offers an energy-efficient method with high productivity and good economy for industrial waste treatment and CO2 storage. This paper highlights the potential of microwave roasting in solid-waste treatment and carbon dioxide storage.![]()
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Affiliation(s)
- Zike Han
- School of Chemical Engineering, Sichuan University No. 24 South Section 1, Yihuan Road Chengdu 610065 P. R. China
| | - Jianqiu Gao
- School of Chemical Engineering, Sichuan University No. 24 South Section 1, Yihuan Road Chengdu 610065 P. R. China
| | - Xizhi Yuan
- School of Chemical Engineering, Sichuan University No. 24 South Section 1, Yihuan Road Chengdu 610065 P. R. China
| | - Yanjun Zhong
- School of Chemical Engineering, Sichuan University No. 24 South Section 1, Yihuan Road Chengdu 610065 P. R. China
| | - Xiaodong Ma
- School of Chemical Engineering, University of Queensland Brisbane Australia
| | - Zhiyuan Chen
- Department of Materials Science and Engineering, Delft University of Technology The Netherlands
| | - Dongmei Luo
- School of Chemical Engineering, Sichuan University No. 24 South Section 1, Yihuan Road Chengdu 610065 P. R. China
| | - Ye Wang
- School of Chemical Engineering, Sichuan University No. 24 South Section 1, Yihuan Road Chengdu 610065 P. R. China
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