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Nkuna R, Matambo TS. Insights into metal tolerance and resistance mechanisms in Trichoderma asperellum unveiled by de novo transcriptome analysis during bioleaching. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 356:120734. [PMID: 38520861 DOI: 10.1016/j.jenvman.2024.120734] [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: 12/06/2023] [Revised: 02/09/2024] [Accepted: 03/19/2024] [Indexed: 03/25/2024]
Abstract
This study investigates the genetic responses of the fungus Trichoderma asperellum (T. asperellum) during bioleaching of ore and tailing samples, comparing one-step, two-step, and spent media bioleaching processes. HPLC analysis quantified oxalic acid, citric acid, and propionic acids, with oxalic acid identified as the primary organic acid involved in metal bioleaching. Metal analysis revealed differences in recovery between ore and tailing samples and among bioleaching processes. The two-step bioleaching process yielded the highest zinc (>54%) and nickel (>60%) recovery in tailings and ore, respectively. Nickel's efficient recovery in ore bioleaching was attributed to the presence of manganese, while its precipitation as nickel oxalate in tailings hindered recovery. Additional metals such as Co, Mn, Mg, Cu, and As were also successfully recovered. Transcriptomic analyses showed significant upregulation of genes associated with biological processes and cellular components, particularly those related to cell membrane structure and function, indicating T. asperellum's adaptation to environmental stresses during metal bioleaching. These findings enhance our understanding of the diverse mechanisms influencing metal recovery rates in bioleaching processes.
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Affiliation(s)
- Rosina Nkuna
- Centre for Competence in Environmental Biotechnology, Department of Environmental Sciences, College of Animal and Environmental Science, University of South Africa, Florida Science Campus, South Africa
| | - Tonderayi S Matambo
- Centre for Competence in Environmental Biotechnology, Department of Environmental Sciences, College of Animal and Environmental Science, University of South Africa, Florida Science Campus, South Africa.
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2
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Funari V, Toller S, Vitale L, Santos RM, Gomes HI. Urban mining of municipal solid waste incineration (MSWI) residues with emphasis on bioleaching technologies: a critical review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:59128-59150. [PMID: 37041362 DOI: 10.1007/s11356-023-26790-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 03/29/2023] [Indexed: 05/10/2023]
Abstract
Metals are essential in our daily lives and have a finite supply, being simultaneously contaminants of concern. The current carbon emissions and environmental impact of mining are untenable. We need to reclaim metals sustainably from secondary resources, like waste. Biotechnology can be applied in metal recovery from waste streams like fly ashes and bottom ashes of municipal solid waste incineration (MSWI). They represent substantial substance flows, with roughly 46 million tons of MSWI ashes produced annually globally, equivalent in elemental richness to low-grade ores for metal recovery. Next-generation methods for resource recovery, as in particular bioleaching, give the opportunity to recover critical materials and metals, appropriately purified for noble applications, in waste treatment chains inspired by circular economy thinking. In this critical review, we can identify three main lines of discussion: (1) MSWI material characterization and related environmental issues; (2) currently available processes for recycling and metal recovery; and (3) microbially assisted processes for potential recycling and metal recovery. Research trends are chiefly oriented to the potential exploitation of bioprocesses in the industry. Biotechnology for resource recovery shows increasing effectiveness especially downstream the production chains, i.e., in the waste management sector. Therefore, this critical discussion will help assessing the industrial potential of biotechnology for urban mining of municipal, post-combustion waste.
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Affiliation(s)
- Valerio Funari
- Institute of Marine Sciences (ISMAR-CNR), Department of Earth System Sciences and Environmental Technologies, National Research Council of Italy (CNR), Bologna Research Area, 40129, Bologna, Italy.
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn (SZN), Via Ammiraglio F. Acton 55, 80133, Napoli, Italy.
| | - Simone Toller
- Institute of Marine Sciences (ISMAR-CNR), Department of Earth System Sciences and Environmental Technologies, National Research Council of Italy (CNR), Bologna Research Area, 40129, Bologna, Italy
- Department of Chemical, Life and Environmental Sustainability Sciences (SCVSA), University of Parma, Parco Area delle Scienze, 17/A, Parma, Italy
| | - Laura Vitale
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn (SZN), Via Ammiraglio F. Acton 55, 80133, Napoli, Italy
| | - Rafael M Santos
- School of Engineering, University of Guelph, Thornbrough Building, 50 Stone Rd E, Guelph, Ontario, N1G 2W1, Canada
| | - Helena I Gomes
- Food, Water, Waste Research Group, Faculty of Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
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3
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Zhao J, Csetenyi L, Gadd GM. Fungal-induced CaCO 3 and SrCO 3 precipitation: a potential strategy for bioprotection of concrete. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 816:151501. [PMID: 34762953 DOI: 10.1016/j.scitotenv.2021.151501] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/03/2021] [Accepted: 11/03/2021] [Indexed: 06/13/2023]
Abstract
Biomineralization of CaCO3 by microorganisms is a well-documented process considered applicable to concrete self-healing and metal bioremediation. Urea hydrolysis is the most widely explored and efficient pathway regarding concrete bioprotection. However, the potential of fungi has received relatively little attention compared to bacteria. In this work, we show that Fusarium cerealis, Phoma herbarum and Mucor hiemalis, isolated from concrete, could produce 828.6-941.3 mg L-1 ammonium‑nitrogen in liquid media through urea hydrolysis indicating significant urease activity, and could grow in moderate (pH 8.3) or even extremely alkaline (pH 10.6) conditions. After culture in media containing 50 mM CaCl2, at least 48.8% Ca2+ was removed from solution by the selected fungi as calcite. The accumulation of Ca by the biomass was around 83.64-114.21 mg g-1. In addition, all fungi could mediate strontium carbonate formation with F. cerealis processing the highest ability for Sr removal, with ~61% added Sr being removed from solution. Scanning electron microscopy showed carbonate biominerals were encrusted on hyphae or aggregated in fungal pellets. When equivalent concentrations of Ca2+ and Sr2+ were supplemented to the media, CaCO3 with incorporated Sr formed with F. cerealis and M. hiemalis, and Sr(Sr, Ca)(CO3)2 with P. herbarum. Our results demonstrate the potential of fungi in providing carbonate coatings for concrete surfaces and simultaneous immobilization of Sr. We anticipate our work will promote further practical field research on porous cementitious materials protection by fungi and immobilization of potentially toxic metals from metal-laden ingredients, such as fly ash and granulated ground blast furnace slag.
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Affiliation(s)
- Jiayue Zhao
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, DD1 5EH, Scotland, UK
| | - Laszlo Csetenyi
- Concrete Technology Group, Department of Civil Engineering, School of Science and Engineering, University of Dundee, Dundee, DD1 4HN, Scotland, UK
| | - Geoffrey Michael Gadd
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, DD1 5EH, Scotland, UK; State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, College of Science and Environment, China University of Petroleum, Beijing 102249, China.
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Yaashikaa PR, Priyanka B, Senthil Kumar P, Karishma S, Jeevanantham S, Indraganti S. A review on recent advancements in recovery of valuable and toxic metals from e-waste using bioleaching approach. CHEMOSPHERE 2022; 287:132230. [PMID: 34826922 DOI: 10.1016/j.chemosphere.2021.132230] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/30/2021] [Accepted: 09/08/2021] [Indexed: 05/15/2023]
Abstract
This review is intent on the environmental pollution generated from printed circuit boards and the methods employed to retrieve valuable and hazardous metals present in the e-wastes. Printed circuit boards are the key components in the electronic devices and considered as huge e-pollutants in polluting our surroundings and the environment as a whole. Composing of toxic heavy metals, it causes serious health effects to the plants, animals and humans in the environment. A number of chemical, biological and physical approaches were carried out to recover the precious metals and to remove the hazardous metals from the environment. Chemical leaching is one of the conventional PCBs recycling methods which was carried out by using different organic solvents and chemicals. Need of high cost for execution, generation of secondary wastes in the conventional methods, forces to discover the advanced recycling methods such as hydrometallurgical, bio-metallurgical and bioleaching processes to retrieve the valuable metals generate through e-wastes. Among them, bioleaching process gain extra priority due to its higher efficiency of metal recovery from printed circuit boards. There are different classes of microorganisms have been utilized for precious metal recovery from the PCBs through bioleaching process such as chemolithoautotrophy, heterotrophy and different fungal species including Aspergillus sp. and Penicillium sp. The current status and scope for further studies in printed circuit boards recycling are discussed in this review.
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Affiliation(s)
- P R Yaashikaa
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - B Priyanka
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
| | - S Karishma
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, 602105, India
| | - S Jeevanantham
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, 602105, India
| | - Sravya Indraganti
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India
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5
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Wang H, Zhu F, Liu X, Han M, Zhang R. A mini-review of heavy metal recycling technologies for municipal solid waste incineration fly ash. WASTE MANAGEMENT & RESEARCH : THE JOURNAL OF THE INTERNATIONAL SOLID WASTES AND PUBLIC CLEANSING ASSOCIATION, ISWA 2021; 39:1135-1148. [PMID: 33818201 DOI: 10.1177/0734242x211003968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This mini-review article summarizes the available technologies for the recycling of heavy metals (HMs) in municipal solid waste incineration (MSWI) fly ash (FA). Recovery technologies included thermal separation (TS), chemical extraction (CE), bioleaching, and electrochemical processes. The reaction conditions of various methods, the efficiency of recovering HMs from MSWI FA and the difficulties and solutions in the process of technical development were studied. Evaluation of each process has also been done to determine the best HM recycling method and future challenges. Results showed that while bioleaching had minimal environmental impact, the process was time-consuming. TS and CE were the most mature technologies, but the former process was not cost-effective. Overall, it has the greatest economic potential to recover metals by CE with scrubber liquid produced by a wet air pollution control system. An electrochemical process or solvent extraction could then be applied to recover HMs from the enriched leachate. Ongoing development of TS and bioleaching technologies could reduce the treatment cost or time.
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Affiliation(s)
- Huan Wang
- Department of Environmental Engineering, School of Environment & Natural Resources, Renmin University of China, Beijing, People's Republic of China
| | - Fenfen Zhu
- Department of Environmental Engineering, School of Environment & Natural Resources, Renmin University of China, Beijing, People's Republic of China
| | - Xiaoyan Liu
- Department of Environmental Engineering, School of Environment & Natural Resources, Renmin University of China, Beijing, People's Republic of China
| | - Meiling Han
- Department of Environmental Engineering, School of Environment & Natural Resources, Renmin University of China, Beijing, People's Republic of China
| | - Rongyan Zhang
- Department of Environmental Engineering, School of Environment & Natural Resources, Renmin University of China, Beijing, People's Republic of China
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6
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Moazzam P, Boroumand Y, Rabiei P, Baghbaderani SS, Mokarian P, Mohagheghian F, Mohammed LJ, Razmjou A. Lithium bioleaching: An emerging approach for the recovery of Li from spent lithium ion batteries. CHEMOSPHERE 2021; 277:130196. [PMID: 33784558 DOI: 10.1016/j.chemosphere.2021.130196] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 02/08/2021] [Accepted: 03/03/2021] [Indexed: 06/12/2023]
Abstract
The rapidly growing demand for lithium has resulted in a sharp increase in its price. This is due to the ubiquitous use of lithium-ion batteries (LIBs) in large-scale energy and transportation sectors as well as portable devices. Recycling of the LIBs for being the supply of critical metals hence becomes environmentally and economically viable. The presently used approaches for the recovery of spent LIBs like pyrometallurgical process can effectively recover nickel, cobalt, and copper, while lithium is usually lost in slag. Bioleaching process as an alternative method of extraction and recovery of valuable metals from the primary and secondary resources has been attracting a large pool of attraction. This method can provide higher recovery yield even for low concentration of metals which makes it viable among conventional methods. The bioleaching process can work with lower operating cost and consumed water and energy along with a simple condition, which produces less hazardous by-products ultimately. Here, we comprehensively review the biological and chemical mechanisms of the bioleaching process with a conclusive discussion to help how to extend the use of bioleaching for lithium extraction and recovery from the spent LIBs with a focus on recovery yields improvement. We elaborate on the three main types of the reported bioleaching with considering effective parameters including temperature, initial pH, pulp density, aeration, and medium and cell nutrients to sustain microorganism activity. Finally, practical challenges and future opportunities of lithium are discussed to inspire future research trends and pilot studies to realize the full potential of lithium recovery using sustainable bioleaching processes to extend a clean energy future.
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Affiliation(s)
- Parisa Moazzam
- School of Chemistry, University of New South Wales, Sydney, 2052, Australia
| | - Yasaman Boroumand
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Parisa Rabiei
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Sorour Salehi Baghbaderani
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Parastou Mokarian
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Fereshteh Mohagheghian
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Layth Jasim Mohammed
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Amir Razmjou
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran; Centre for Technology in Water and Wastewater, University of Technology Sydney, New South Wales, Australia; UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, 2052, Australia.
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7
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Hosseinzadeh F, Rastegar SO, Ashengroph M. Bioleaching of rare earth elements from spent automobile catalyst as pretreatment method to improve Pt and Pd recovery: Process optimization and kinetic study. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.03.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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8
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Advances in Methods for Recovery of Ferrous, Alumina, and Silica Nanoparticles from Fly Ash Waste. CERAMICS-SWITZERLAND 2020. [DOI: 10.3390/ceramics3030034] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Fly ash or coal fly ash causes major global pollution in the form of solid waste and is classified as a “hazardous waste”, which is a by-product of thermal power plants produced during electricity production. Si, Al, Fe Ca, and Mg alone form more than 85% of the chemical compounds and glasses of most fly ashes. Fly ash has a chemical composition of 70–90%, as well as glasses of ferrous, alumina, silica, and CaO. Therefore, fly ash could act as a reliable and alternative source for ferrous, alumina, and silica. The ferrous fractions can be recovered by a simple magnetic separation method, while alumina and silica can be extracted by chemical or biological approaches. Alumina extraction is possible using both alkali- and acid-based methods, while silica is extracted by strong alkali, such as NaOH. Chemical extraction has a higher yield than the biological approaches, but the bio-based approaches are more environmentally friendly. Fly ash can also be used for the synthesis of zeolites by NaOH treatment of variable types, as fly ash is rich in alumino-silicates. The present review work deals with the recent advances in the field of the recovery and synthesis of ferrous, alumina, and silica micro and nanoparticles from fly ash.
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Wong S, Mah AXY, Nordin AH, Nyakuma BB, Ngadi N, Mat R, Amin NAS, Ho WS, Lee TH. Emerging trends in municipal solid waste incineration ashes research: a bibliometric analysis from 1994 to 2018. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:7757-7784. [PMID: 32020458 DOI: 10.1007/s11356-020-07933-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 01/29/2020] [Indexed: 06/10/2023]
Abstract
The rapidly increasing generation of municipal solid waste (MSW) threatens the environmental integrity and well-being of humans at a global level. Incineration is regarded as a technically sound technology for the management of MSW. However, the effective management of the municipal solid waste incineration (MSWI) ashes remains a challenge. This article presents the global dynamics of MSWI ashes research from 1994 to 2018 based on a bibliometric analysis of 1810 publications (research articles and conference proceedings) extracted from the Web of Science database, followed by a comprehensive summary on the research developments in the field. The results indicate the rapid growth of annual publications on MSWI ashes research, with China observed as the most productive country within the study period. Waste Management, Journal of Hazardous Materials, Chemosphere and Waste Management & Research, which accounted for 35.42% of documents on MSWI research, are the most prominent journals in the field. The most critical thematic areas on this topic are MSWI ashes characterisation, dioxin emissions from fly ash, valorisation of bottom ash and heavy metal removal. The evolution of MSWI ashes treatment technologies is also discussed, together with the challenges and future research directions. This is the first bibliometric analysis on global MSWI ashes research based on a sufficiently large dataset, which could provide new insights for researchers to initiate further research with leading institutions/authors and ultimately advance this research field.
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Affiliation(s)
- Syieluing Wong
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Angel Xin Yee Mah
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- Process Systems Engineering Centre (PROSPECT), Research Institute of Sustainable Environment (RISE), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Abu Hassan Nordin
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Bemgba Bevan Nyakuma
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- Hydrogen and Fuel Cell Laboratory, Institute of Future Energy, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Norzita Ngadi
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia.
| | - Ramli Mat
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Nor Aishah Saidina Amin
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Wai Shin Ho
- Process Systems Engineering Centre (PROSPECT), Research Institute of Sustainable Environment (RISE), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Ting Hun Lee
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- Innovation Centre in Agritechnology for Advanced Bioprocess, Universiti Teknologi Malaysia (UTM) Pagoh, 84600, Pagoh, Johor, Malaysia
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10
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Yang YK, Chen S, Yang DS, Zhang W, Wang HJ, Zeng RJ. Anaerobic reductive bio-dissolution of jarosites by Acidithiobacillus ferrooxidans using hydrogen as electron donor. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 686:869-877. [PMID: 31200307 DOI: 10.1016/j.scitotenv.2019.06.071] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 06/04/2019] [Accepted: 06/04/2019] [Indexed: 06/09/2023]
Abstract
Jarosites are secondary iron-hydroxyl-sulfate minerals and widely occur in bioleaching, acid mine drainage, and acid sulfate soil environments. Anaerobic reductive dissolution of jarosites is yet to be methodically examined. In this study, we explored the bio-dissolution of jarosites by Acidithiobacillus ferrooxidans (At. ferrooxidans) by using hydrogen in batch experiments. After bio-dissolution by At. ferrooxidans for 22 d, ferrous ion concentrations reached 10.07 mM (biologically produced jarosites), 7.68 mM (potassium jarosite), and 1.45 mM (lead jarosite). Strengthening the dissolved jarosites by decreasing the initial pH (pH < 2.0) or by adding citric acid (1, 5, and 10 mM) was inefficient for bio-dissolution owing to restricted cellular activity. The pathways of bio-dissolution should include direct contact bio-dissolution and indirect bio-dissolution and relate to the solubility of jarosites in a bio-dissolution system. The results demonstrate that anaerobic reductive bio-dissolution of jarosites by At. ferrooxidans using hydrogen shows potential. This study also provides opportunities to contribute to the development of the bioleaching field via the aerobic/anaerobic cycle using a single strain to control and reuse jarosites in situ.
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Affiliation(s)
- Yuan-Kun Yang
- CAS Key Laboratory for Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China; Key Laboratory of Solid Waste Treatment and Resource Recycle, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China
| | - Shu Chen
- Key Laboratory of Solid Waste Treatment and Resource Recycle, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China
| | - Dong-Sheng Yang
- Key Laboratory of Solid Waste Treatment and Resource Recycle, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China
| | - Wei Zhang
- CAS Key Laboratory for Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Hua-Jie Wang
- CAS Key Laboratory for Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Raymond Jianxiong Zeng
- CAS Key Laboratory for Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China; Centre of Wastewater Resource Recovery, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China.
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11
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Chakankar M, Su CH, Hocheng H. Leaching of metals from end-of-life solar cells. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:29524-29531. [PMID: 29637455 DOI: 10.1007/s11356-018-1918-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 04/02/2018] [Indexed: 06/08/2023]
Abstract
The issue of recycling waste solar cells is critical with regard to the expanded use of these cells, which increases waste production. Technology establishment for this recycling process is essential with respect to the valuable and hazardous metals present therein. In the present study, the leaching potentials of Acidithiobacillus thiooxidans, Acidithiobacillus ferrooxidans, Penicillium chrysogenum, and Penicillium simplicissimum were assessed for the recovery of metals from spent solar cells, with a focus on retrieval of the valuable metal Te. Batch experiments were performed to explore and compare the metal removal efficiencies of the aforementioned microorganisms using spent media. P. chrysogenum spent medium was found to be most effective, recovering 100% of B, Mg, Si, V, Ni, Zn, and Sr along with 93% of Te at 30 °C, 150 rpm and 1% (w/v) pulp density. Further optimization of the process parameters increased the leaching efficiency, and 100% of Te was recovered at the optimum conditions of 20 °C, 200 rpm shaking speed and 1% (w/v) pulp density. In addition, the recovery of aluminum increased from 31 to 89% upon process optimization. Thus, the process has considerable potential for metal recovery and is environmentally beneficial.
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Affiliation(s)
- Mital Chakankar
- Department of Power Mechanical Engineering, National Tsing Hua University, No. 101, Sec. 2, Kuang Fu Rd., 30013, Hsinchu, Taiwan ROC
| | - Chun Hui Su
- Department of Power Mechanical Engineering, National Tsing Hua University, No. 101, Sec. 2, Kuang Fu Rd., 30013, Hsinchu, Taiwan ROC
| | - Hong Hocheng
- Department of Power Mechanical Engineering, National Tsing Hua University, No. 101, Sec. 2, Kuang Fu Rd., 30013, Hsinchu, Taiwan ROC.
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12
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Habib A, Bhatti HN, Iqbal M. Metallurgical Processing Strategies for Metals Recovery from Industrial Slags. ACTA ACUST UNITED AC 2019. [DOI: 10.1515/zpch-2019-0001] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Abstract
Slag produced as a byproduct in industrial processes, contains considerable metals contents, which need to be recovered to avoid environmental contamination. In present review, the types, applications, recovery of metals from slag and their hazardous effects have been discussed. Gravimetric, magnetic, floatation, pyrometallurgical and hydrometallurgical treatments are discussed for processing of charge chrome, steel, copper smelter, brass smelter, tin, incineration, ferrochrome and silico-manganese slags for the extraction of various metal ions (Mg, Cu, Zn, Pb, Cd, Ni, Co, Mn, Fe, As, Cr, Al, Nb, Ag, Au, Nb, Ta, Cu, Co, Ni, Fe, V, Cr). The possibility of biometallurgical processing of slags is also evaluated. Merits and demerits of extraction and purification techniques are highlighted with possible suggestions and possibility of integrated leaching techniques is also discussed.
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Affiliation(s)
- Aqsa Habib
- Department of Chemistry , University of Agriculture , Faisalabad , Pakistan
| | - Haq Nawaz Bhatti
- Department of Chemistry , University of Agriculture , Faisalabad , Pakistan
| | - Munawar Iqbal
- Department of Chemistry , University of Lahore , Lahore , Pakistan
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13
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Luo H, Cheng Y, He D, Yang EH. Review of leaching behavior of municipal solid waste incineration (MSWI) ash. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 668:90-103. [PMID: 30852230 DOI: 10.1016/j.scitotenv.2019.03.004] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/28/2019] [Accepted: 03/01/2019] [Indexed: 06/09/2023]
Abstract
Incineration is widely adopted in modern waste management because it provides an effective way to minimize municipal solid waste that needs to be disposed of in landfills. The ash residue is often disposed by landfilling. Alternatively, the incineration ash may be recycled and reused for various applications. The crucial issues, however, are the leaching of harmful elements during the use and the end-of-life phases. This review summarizes extensive studies on leaching behavior of municipal solid waste incineration ash. Specifically, pollutants generated through leaching, factors governing leaching, methodologies to study leaching, leaching mechanisms, and treatments to reduce leaching. Many types of pollutants are generated through leaching from municipal solid waste incineration ash, in which heavy metals and organic contaminants are the most toxic and concerned. Ash properties, pH and liquid to solid ratio are the main factors governing municipal solid waste incineration ash leaching. Leaching behavior of municipal solid waste incineration ash is complicated and existing methods to evaluate leaching may not be able to represent the field conditions. Solubility and sorption are the two major leaching mechanisms. Many treatment methods have been proposed. However, not all methods are effective and some approaches are associated with high energy and high cost, which makes them less economically feasible and attractive.
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Affiliation(s)
- Hongwei Luo
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China; Energy Research Institute, Nanyang Technological University, Singapore 637553, Singapore
| | - Ying Cheng
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Dongqin He
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China.
| | - En-Hua Yang
- School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore.
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Awasthi AK, Li J. Mechano-microbial systems: An ecofriendly approach for copper bioleaching from waste printed circuit board. WASTE MANAGEMENT & RESEARCH : THE JOURNAL OF THE INTERNATIONAL SOLID WASTES AND PUBLIC CLEANSING ASSOCIATION, ISWA 2019; 37:656-661. [PMID: 30774003 DOI: 10.1177/0734242x18823942] [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] [Indexed: 06/09/2023]
Abstract
Waste printed circuit board (PCB) is attracting serious concerns because the recycling of its valuable metallic portion is made difficult by the existence of hazardous substances. The objective of the present study was to develop a simplified approach for copper bioleaching from waste PCB. In this context, we intended mechano-microbial systems symbolized as SET-I (spore suspension + potato dextrose broth medium + waste PCB powder), SET-II (pre-cultured until the logarithmic phase, without waste PCB powder), and SET-III (fungal metabolites produced at stationary phase). The results of bioleaching studies showed that the developed method achieved the highest copper leaching of 85% by the SET-III approach. This study provides an insight for bioleaching copper from waste PCB. Furthermore, this approach can be established as an ecofriendly method for copper bioleaching by using an integrated system.
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Affiliation(s)
- Abhishek Kumar Awasthi
- 1 School of Environment, Tsinghua University, Beijing, China
- 2 Key Laboratory for Solid Waste Management and Environment Safety (Tsinghua University), Ministry of Education of China, Beijing, China
| | - Jinhui Li
- 1 School of Environment, Tsinghua University, Beijing, China
- 2 Key Laboratory for Solid Waste Management and Environment Safety (Tsinghua University), Ministry of Education of China, Beijing, China
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Laboratory Scale Investigations on Heap (Bio)leaching of Municipal Solid Waste Incineration Bottom Ash. MINERALS 2019. [DOI: 10.3390/min9050290] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Municipal solid waste incineration bottom ash (MSWI BA) is the main output of the municipal solid waste incineration process, both in mass and volume. It contains some heavy metals that possess market value, but may also limit the utilization of the material. This study illustrates a robust and simple heap leaching method for recovering zinc and copper from MSWI BA. Moreover, the effect of autotrophic and acidophilic bioleaching microorganisms in the system was studied. Leaching yields for zinc and copper varied between 18–53% and 6–44%, respectively. For intensified copper dissolution, aeration and possibly iron oxidizing bacteria caused clear benefits. The MSWI BA was challenging to treat. The main components, iron and aluminum, dissolved easily and unwantedly, decreasing the quality of pregnant leach solution. Moreover, the physical nature and the extreme heterogeneity of the material caused operative requirements for the heap leaching. Nevertheless, with optimized parameters, heap leaching may offer a proper solution for MSWI BA treatment.
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Ferrier J, Yang Y, Csetenyi L, Gadd GM. Colonization, penetration and transformation of manganese oxide nodules by Aspergillus niger. Environ Microbiol 2019; 21:1821-1832. [PMID: 30884070 PMCID: PMC6849720 DOI: 10.1111/1462-2920.14591] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 03/13/2019] [Indexed: 11/28/2022]
Abstract
In this study, the ability of the geoactive fungus Aspergillus niger to colonize and transform manganese nodules from the Clarion‐Clipperton Zone in both solid and liquid media was investigated. Aspergillusniger was able to colonize and penetrate manganese nodules embedded in solid medium and effect extensive transformation of the mineral in both fragmented and powder forms, precipitating manganese and calcium oxalates. Transformation of manganese nodule powder also occurred in a liquid medium in which A. niger was able to remove the fine particles from suspension which were accumulated within the central region of the resulting mycelial pellets and transformed into manganese oxalate dihydrate (lindbergite) and calcium oxalate dihydrate (weddellite). These findings contribute to an understanding of environmental processes involving insoluble manganese oxides, with practical relevance to chemoorganotrophic mineral bioprocessing applications, and, to the best of our knowledge, represent the first demonstration of fundamental direct and indirect interactions between geoactive fungi and manganese nodules.
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Affiliation(s)
- John Ferrier
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, DD1 5EH, Scotland, UK
| | - Yuyi Yang
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, DD1 5EH, Scotland, UK
| | - Laszlo Csetenyi
- Concrete Technology Group, Department of Civil Engineering, University of Dundee, Dundee, DD1 4HN, Scotland, UK
| | - Geoffrey Michael Gadd
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, DD1 5EH, Scotland, UK
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17
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Işıldar A, van Hullebusch ED, Lenz M, Du Laing G, Marra A, Cesaro A, Panda S, Akcil A, Kucuker MA, Kuchta K. Biotechnological strategies for the recovery of valuable and critical raw materials from waste electrical and electronic equipment (WEEE) - A review. JOURNAL OF HAZARDOUS MATERIALS 2019; 362:467-481. [PMID: 30268020 DOI: 10.1016/j.jhazmat.2018.08.050] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 08/14/2018] [Accepted: 08/16/2018] [Indexed: 05/05/2023]
Abstract
Critical raw materials (CRMs) are essential in the development of novel high-tech applications. They are essential in sustainable materials and green technologies, including renewable energy, emissionfree electric vehicles and energy-efficient lighting. However, the sustainable supply of CRMs is a major concern. Recycling end-of-life devices is an integral element of the CRMs supply policy of many countries. Waste electrical and electronic equipment (WEEE) is an important secondary source of CRMs. Currently, pyrometallurgical processes are used to recycle metals from WEEE. These processes are deemed imperfect, energy-intensive and non-selective towards CRMs. Biotechnologies are a promising alternative to the current industrial best available technologies (BAT). In this review, we present the current frontiers in CRMs recovery from WEEE using biotechnology, the biochemical fundamentals of these bio-based technologies and discuss recent research and development (R&D) activities. These technologies encompass biologically induced leaching (bioleaching) from various matrices,biomass-induced sorption (biosorption), and bioelectrochemical systems (BES).
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Affiliation(s)
- Arda Işıldar
- IHE Delft Institute for Water Education, Delft, The Netherlands; Université Paris-Est, Laboratoire Geomatériaux et Environnement (LGE), EA 4508, UPEM, 77454 Marne-la-Vallée, France.
| | - Eric D van Hullebusch
- IHE Delft Institute for Water Education, Delft, The Netherlands; Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Universitè Paris Diderot, UMR 7154, CNRS, F-75005 Paris, France
| | - Markus Lenz
- Fachhochschule Nordwestschweiz, University of Applied Sciences and Arts Northwestern Switzerland, Brugg, Switzerland; Sub-Department of Environmental Technology, Wageningen University, 6700 AA Wageningen, The Netherlands
| | - Gijs Du Laing
- Department of Applied Analytical and Physical Chemistry, Ghent University, Belgium
| | - Alessandra Marra
- Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, Italy
| | - Alessandra Cesaro
- Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, Italy
| | - Sandeep Panda
- Mineral-Metal Recovery and Recycling Research Group, Mineral Processing Division, Department of Mining Engineering, Suleyman Demirel University, TR32260 Isparta, Turkey
| | - Ata Akcil
- Mineral-Metal Recovery and Recycling Research Group, Mineral Processing Division, Department of Mining Engineering, Suleyman Demirel University, TR32260 Isparta, Turkey
| | - Mehmet Ali Kucuker
- Hamburg University of Technology (TUHH), Institute of Environmental Technology and Energy Economics, Waste Resources Management, Harburger Schloßstr. 36, 21079 Hamburg, Germany
| | - Kerstin Kuchta
- Hamburg University of Technology (TUHH), Institute of Environmental Technology and Energy Economics, Waste Resources Management, Harburger Schloßstr. 36, 21079 Hamburg, Germany
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18
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Leaching of Metals from Waste Silver Oxide-Zinc Button Cell Batteries by Aspergillus niger. BATTERIES-BASEL 2018. [DOI: 10.3390/batteries4040051] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Leaching of metals from waste button cell batteries was explored in this study. Aspergillus niger spent medium was used for metal leaching to avoid toxicity of metals toward microbial cells. Process parameters including time, temperature, shaking speed, and volume of the spent medium were optimized. We obtained 100% leaching of zinc and silver in six hours at 60 °C and 100 rpm using 15 mL spent medium. The use of spent medium supported the indirect leaching process. The organic acid produced by fungi acts as a lixiviant, aiding the metal leaching in this process.
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Abstract
Abstract
The potential sources of metals from energy industries are discussed. The discussion is organized based on two main metal-contains wastes from power plants: ashes, slags from combustion process and spent catalysts from selective catalytic NOx reduction process with ammonia, known as SCR. The compositions, methods of metals recovery, based mainly on leaching process, and their further application are presented. Solid coal combustion wastes are sources of various compounds such as silica, alumina, iron oxide, and calcium. In the case of the spent SCR catalysts mainly two metals are considered: vanadium and tungsten – basic components of industrial ones.
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20
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Ertit Taştan B. Clean up fly ash from coal burning plants by new isolated fungi Fusarium oxysporum and Penicillium glabrum. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2017; 200:46-52. [PMID: 28554126 DOI: 10.1016/j.jenvman.2017.05.062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 04/24/2017] [Accepted: 05/20/2017] [Indexed: 06/07/2023]
Abstract
In Turkey approximately 45 million tons of coals are burned in a year and 19.3 million tons of fly ash have emerged. The bioremediation of heavy metals or different elements from fly ash makes them bio-available. However, in previous studies, requiring of long operational time and failing to show tolerance to high pulp densities of fly ash of selected fungal species makes them impractical. In this work, bioremediation of fly ash by new isolated fungi Fusarium oxysporum and Penicillium glabrum were investigated in one step and two step bioremediation process. Ca, Si, Fe and S were found to be considerable amount in studied fly ashes by ED-XRF element analysis. The bioremediation yields of Mo (100%), S (64.36%) Ni (50%) and Cu (33.33%) by F. oxysporum were high. The remediated elements by P. glabrum in fly ash were Mo (100%), S (57.43%), Ni (25%), Si (24.66%), V (12.5%), Ti (5%) and Sr (3.2%). The isolation of high fly ash resistant fungi and reduction of the bioremediation time will allow the practical applications of the bioremediation technology when it is scaled up.
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Affiliation(s)
- Burcu Ertit Taştan
- Polatlı Faculty of Science & Arts, Gazi University, 06900, Polatlı, Ankara, Turkey; Health Services Vocational School, Gazi University, 06830, Gölbaşı, Ankara, Turkey; Life Sciences Application and Research Center, Gazi University, 06830, Gölbaşı, Ankara, Turkey.
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Rasoulnia P, Mousavi SM, Rastegar SO, Azargoshasb H. Fungal leaching of valuable metals from a power plant residual ash using Penicillium simplicissimum: Evaluation of thermal pretreatment and different bioleaching methods. WASTE MANAGEMENT (NEW YORK, N.Y.) 2016; 52:309-317. [PMID: 27095291 DOI: 10.1016/j.wasman.2016.04.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 04/02/2016] [Accepted: 04/04/2016] [Indexed: 06/05/2023]
Abstract
Each year a tremendous volume of V-Ni rich ashes is produced by fuel oil consuming power plants throughout the world. Recovery of precious metals existing in these ashes is very important from both economic and environmental aspects. The present research was aimed at investigating bioleaching potential of Penicillium simplicissimum for the recovery of metals from power plant residual ash (PPR ash) using different bioleaching methods such as one-step, two-step, and spent-medium bioleaching at 1% (w/v) pulp density. Furthermore, the effects of thermal pretreatment on leaching of V, Ni, and Fe, as major elements present in PPR ash, were studied. Thermal pretreatment at various temperatures removed the carbonaceous and volatile fraction of the ash and affected the fungal growth and metal leachability. The highest extraction yields of V and Ni were achieved for the original PPR ash, using spent-medium bioleaching in which nearly 100% of V and 40% of Ni were extracted. The maximum extraction yield of Fe (48.3%) was obtained for the pretreated PPR ash at 400°C by spent-medium bioleaching. In addition, the fungal growth in pure culture was investigated through measurement of produced organic acids via high performance liquid chromatography (HPLC). Chemical leaching experiments were performed, using commercial organic acids at the same concentrations as those produced under optimum condition of fungal growth (5237ppm citric, 3666ppm gluconic, 1287ppm oxalic and 188ppm malic acid). It was found that in comparison to chemical leaching, bioleaching improved V and Ni recovery up to 19% and 12%, respectively. Moreover, changes in physical and chemical properties as well as morphology of the samples utilizing appropriate analytical methods such as XRF, XRD, FTIR, and FE-SEM were comprehensively investigated.
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Affiliation(s)
- P Rasoulnia
- Biotechnology Group, Chemical Engineering Department, Tarbiat Modares University, Tehran, Iran
| | - S M Mousavi
- Biotechnology Group, Chemical Engineering Department, Tarbiat Modares University, Tehran, Iran.
| | - S O Rastegar
- Biotechnology Group, Chemical Engineering Department, Tarbiat Modares University, Tehran, Iran
| | - H Azargoshasb
- Biotechnology Group, Chemical Engineering Department, Tarbiat Modares University, Tehran, Iran
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Heterotrophic Bioleaching of Sulfur, Iron, and Silicon Impurities from Coal by Fusarium oxysporum FE and Exophiala spinifera FM with Growing and Resting Cells. Curr Microbiol 2016; 72:707-15. [PMID: 26883128 DOI: 10.1007/s00284-016-1008-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 01/05/2016] [Indexed: 11/26/2022]
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24
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Jadhav U, Su C, Hocheng H. Leaching of metals from printed circuit board powder by an Aspergillus niger culture supernatant and hydrogen peroxide. RSC Adv 2016. [DOI: 10.1039/c6ra04169h] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Removal of chemical coating of PCB powder using 0.1 M sodium hydroxide solution.
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Affiliation(s)
- U. Jadhav
- School of Civil and Environmental Engineering
- Nanyang Technological University
- Singapore 639798
| | - C. Su
- Department of Power Mechanical Engineering
- National Tsing Hua University
- Hsinchu
- Republic of China
| | - H. Hocheng
- Department of Power Mechanical Engineering
- National Tsing Hua University
- Hsinchu
- Republic of China
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25
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26
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Hocheng H, Su C, Jadhav UU. Bioleaching of metals from steel slag by Acidithiobacillus thiooxidans culture supernatant. CHEMOSPHERE 2014; 117:652-657. [PMID: 25461931 DOI: 10.1016/j.chemosphere.2014.09.089] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 09/26/2014] [Accepted: 09/29/2014] [Indexed: 06/04/2023]
Abstract
The generation of 300–500 kg of slag per ton of the steel produced is a formidable amount of solid waste available for treatment. They usually contain considerable quantities of valuable metals. In this sense, they may become either important secondary resource if processed in eco-friendly manner for secured supply of contained metals or potential pollutants, if not treated properly. It is possible to recover metals from steel slag by applying bioleaching process. Electric arc furnace (EAF) slag sample was used for bioleaching of metals. In the present study, before bioleaching experiment water washing of an EAF slag was carried out. This reduced slag pH from 11.2 to 8.3. Culture supernatants of Acidithiobacillus thiooxidans (At. thiooxidans), Acidithiobacillus ferrooxidans (At. ferrooxidans), and Aspergillus niger (A. niger) were used for metal solubilization. At. thiooxidans culture supernatant containing 0.016 M sulfuric acid was found most effective for bioleaching of metals from an EAF slag. Maximum metal extraction was found for Mg (28%), while it was least for Mo (0.1%) in six days. Repeated bioleaching cycles increased metal recovery from 28% to 75%, from 14% to 60% and from 11% to 27%, for Mg, Zn and Cu respectively.
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Affiliation(s)
- Hong Hocheng
- Department of Power Mechanical Engineering, National Tsing Hua University, No. 101, Sec. 2, Kuang Fu Rd., 30013 Hsinchu, Taiwan, ROC.
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Oxalate production by fungi: significance in geomycology, biodeterioration and bioremediation. FUNGAL BIOL REV 2014. [DOI: 10.1016/j.fbr.2014.05.001] [Citation(s) in RCA: 219] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Amin MM, Elaassy IE, El-Feky MG, Sallam ASM, Talaat MS, Kawady NA. Effect of mineral constituents in the bioleaching of uranium from uraniferous sedimentary rock samples, Southwestern Sinai, Egypt. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2014; 134:76-82. [PMID: 24682031 DOI: 10.1016/j.jenvrad.2014.02.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2013] [Revised: 02/18/2014] [Accepted: 02/26/2014] [Indexed: 06/03/2023]
Abstract
Bioleaching, like Biotechnology uses microorganisms to extract metals from their ore materials, whereas microbial activity has an appreciable effect on the dissolution of toxic metals and radionuclides. Bioleaching of uranium was carried out with isolated fungi from uraniferous sedimentary rocks from Southwestern Sinai, Egypt. Eight fungal species were isolated from different grades of uraniferous samples. The bio-dissolution experiments showed that Aspergillus niger and Aspergillus terreus exhibited the highest leaching efficiencies of uranium from the studied samples. Through monitoring the bio-dissolution process, the uranium grade and mineralogic constituents of the ore material proved to play an important role in the bioleaching process. The tested samples asserted that the optimum conditions of uranium leaching are: 7 days incubation time, 3% pulp density, 30 °C incubation temperature and pH 3. Both fungi produced the organic acids, namely; oxalic, acetic, citric, formic, malonic, galic and ascorbic in the culture filtrate, indicating an important role in the bioleaching processes.
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Affiliation(s)
| | | | | | | | - Mona S Talaat
- Faculty of Science Ain Shams University, Cairo, Egypt
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Xu TJ, Ramanathan T, Ting YP. Bioleaching of incineration fly ash by Aspergillus niger - precipitation of metallic salt crystals and morphological alteration of the fungus. ACTA ACUST UNITED AC 2014. [PMID: 28626642 PMCID: PMC5466095 DOI: 10.1016/j.btre.2014.05.009] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Toxic metals in fly ash caused morphological alteration of A. niger. Branched and swollen fungal hyphae seen in one-step and two-step bioleaching. Nano-sized calcium oxalate crystals observed on fungal surface. Precipitation of crystals indirectly enhanced bioleaching efficiency.
This study examines the bioleaching of municipal solid waste incineration fly ash by Aspergillus niger, and its effect on the fungal morphology, the fate of the ash particles, and the precipitation of metallic salt crystals during bioleaching. The fungal morphology was significantly affected during one-step and two-step bioleaching; scanning electron microscopy revealed that bioleaching caused distortion of the fungal hyphae (with up to 10 μm hyphae diameter) and a swollen pellet structure. In the absence of the fly ash, the fungi showed a linear structure (with 2–4 μm hyphae diameter). Energy-dispersive X-ray spectroscopy and X-ray diffraction confirmed the precipitation of calcium oxalate hydrate crystals at the surface of hyphae in both one-step and two-step bioleaching. Calcium oxalate precipitation affects bioleaching via the weakening of the fly ash, thus facilitating the release of other tightly bound metals in the matrix.
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Affiliation(s)
- Tong-Jiang Xu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Engineering Drive 4, 117585, Singapore
| | - Thulasya Ramanathan
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Engineering Drive 4, 117585, Singapore
| | - Yen-Peng Ting
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Engineering Drive 4, 117585, Singapore
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30
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Microbial leaching of waste solder for recovery of metal. Appl Biochem Biotechnol 2014; 173:193-204. [PMID: 24634142 DOI: 10.1007/s12010-014-0833-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Accepted: 02/24/2014] [Indexed: 10/25/2022]
Abstract
This study proposes an environment-friendly bioleaching process for recovery of metals from solders. Tin-copper (Sn-Cu), tin-copper-silver (Sn-Cu-Ag), and tin-lead (Sn-Pb) solders were used in the current study. The culture supernatant of Aspergillus niger removed metals faster than the culture supernatant of Acidithiobacillus ferrooxidans. Also, the metal removal by A. niger culture supernatant is faster for Sn-Cu-Ag solder as compared to other solder types. The effect of various process parameters such as shaking speed, temperature, volume of culture supernatant, and increased solder weight on bioleaching of metals was studied. About 99 (±1.75) % metal dissolution was achieved in 60 h, at 200-rpm shaking speed, 30 °C temperature, and by using 100-ml A. niger culture supernatant. An optimum solder weight for bioleaching was found to be 5 g/l. Addition of sodium hydroxide (NaOH) and sodium chloride (NaCl) in the bioleached solution from Sn-Cu-Ag precipitated tin (85 ± 0.35 %) and silver (80 ± 0.08 %), respectively. Passing of hydrogen sulfide (H2S) gas at pH 8.1 selectively precipitated lead (57.18 ± 0.13 %) from the Sn-Pb bioleached solution. The proposed innovative bioleaching process provides an alternative technology for recycling waste solders to conserve resources and protect environment.
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Mishra D, Rhee YH. Microbial leaching of metals from solid industrial wastes. J Microbiol 2014; 52:1-7. [DOI: 10.1007/s12275-014-3532-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Revised: 11/27/2013] [Accepted: 11/28/2013] [Indexed: 02/05/2023]
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32
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Asghari I, Mousavi S, Amiri F, Tavassoli S. Bioleaching of spent refinery catalysts: A review. J IND ENG CHEM 2013. [DOI: 10.1016/j.jiec.2012.12.005] [Citation(s) in RCA: 116] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Deng X, Chai L, Yang Z, Tang C, Wang Y, Shi Y. Bioleaching mechanism of heavy metals in the mixture of contaminated soil and slag by using indigenous Penicillium chrysogenum strain F1. JOURNAL OF HAZARDOUS MATERIALS 2013; 248-249:107-114. [PMID: 23352906 DOI: 10.1016/j.jhazmat.2012.12.051] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Revised: 12/24/2012] [Accepted: 12/27/2012] [Indexed: 06/01/2023]
Abstract
The ability and bioleaching mechanism of heavy metals by Penicillium chrysogenum in soils contaminated with smelting slag were examined in this study. Batch experiments were performed to investigate the growth kinetics of P. chrysogenum, organic acids production and to compare the removal efficiencies of heavy metals between bioleaching with P. chrysogenum and chemical organic acids. The results showed that the bioleaching had higher removals than chemical leaching, and the removal percentages of Cd, Cu, Pb, Zn, Mn and Cr reached up to 74%, 59%, 24%, 55%, 57% and 25%, respectively. Removal efficiencies of heavy metals (15.41 mg/50 mL) by bioleaching were higher than chemical leaching with 0.5% of citric acid (15.15 mg/50 mL), oxalic acid (8.46 mg/50 mL), malic acid (11.35 mg/50 mL) and succinic acid (10.85 mg/50 mL). The results of transmission electron microscope (TEM) showed that no damage was obviously observed on the surface of the living cell except for thinner cell wall, discontinuous plasma membrane, compartmentalized lumen and concentrated cytoplasm during bioleaching process. The activity of extracellular glucose oxidase (GOD) produced by P. chrysogenum is influenced severely by the multi-heavy metal ions. The result implied that P. chrysogenum can be used to remove heavy metals from polluted soil and smeltery slag.
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Affiliation(s)
- Xinhui Deng
- College of Metallurgical Science and Engineering, Central South University, China
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Bankar A, Winey M, Prakash D, Kumar AR, Gosavi S, Kapadnis B, Zinjarde S. Bioleaching of Fly Ash by the Tropical Marine Yeast, Yarrowia lipolytica NCIM 3589. Appl Biochem Biotechnol 2012; 168:2205-17. [DOI: 10.1007/s12010-012-9930-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2012] [Accepted: 10/03/2012] [Indexed: 11/28/2022]
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Ilyas S, CHI R, Lee JC, Bhatti HN. One Step Bioleaching of Sulphide Ore with Low Concentration of Arsenic by Aspergillus niger and Taguchi Orthogonal Array Optimization. Chin J Chem Eng 2012. [DOI: 10.1016/s1004-9541(12)60419-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Amiri F, Mousavi S, Yaghmaei S. Enhancement of bioleaching of a spent Ni/Mo hydroprocessing catalyst by Penicillium simplicissimum. Sep Purif Technol 2011. [DOI: 10.1016/j.seppur.2011.06.012] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Pradhan D, Kim DJ, Ahn JG, Roy Chaudhury G, Lee SW. Kinetics and statistical behavior of metals dissolution from spent petroleum catalyst using acidophilic iron oxidizing bacteria. J IND ENG CHEM 2010. [DOI: 10.1016/j.jiec.2010.03.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Pradhan D, Mishra D, Kim DJ, Chaudhury GR, Lee SW. Dissolution kinetics of spent petroleum catalyst using two different acidophiles. HYDROMETALLURGY 2009; 99:157-162. [DOI: 10.1016/j.hydromet.2009.07.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/19/2023]
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