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Chidunchi I, Kulikov M, Sаfarov R, Kopishev E. Extraction of platinum group metals from catalytic converters. Heliyon 2024; 10:e25283. [PMID: 38327460 PMCID: PMC10847661 DOI: 10.1016/j.heliyon.2024.e25283] [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: 07/15/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/09/2024] Open
Abstract
Platinum group metals (PGMs) assume an important role within the chemistry and chemical engineering due to their exceptional chemical stability in high temperatures and various environmental conditions. Their unique attributes make them highly demanded materials across an array of industries. Nevertheless, the gradual depletion of PGM reserves underscores necessitates of recycling PGM-containing waste as a means to ensure the reasonable utilization of resources. Recycling of catalytic waste, in particular, presents a more cost-effective and environmentally sustainable approach acquiring these metals, in contrast to the conventional practice of mining from natural ores. Of particular importance are spent automotive catalysts, which represent a valuable source of platinum group metals, featuring substantially higher PGM concentrations than their naturally occurring counterparts. Conventionally, the recovering of PGMs from waste materials predominantly employs hydrometallurgical and pyrometallurgical processes. Unfortunately, these established techniques entail the utilization of potent oxidizing acidic solutions, including aqua regia and hydrochloric acid with chlorine gas, which exert adverse ecological consequences. In recent years, there has been a growing focus on the development of alternative methodologies that are both environmentally friendly and economically viable for the recovery of PGMs from spent catalysts. Notable among these emerging techniques are solvometallurgy, molecular recognition technology, and magnetic separation. This comprehensive review endeavors to study and assess the latest advancements in the recovery of platinum group metals from spent catalysts, meticulously evaluating their respective advantages and disadvantages. Through an analysis, this review aspires to identify the most promising method - one that combines environmental friendliness and economic feasibility.
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Affiliation(s)
| | - Maxim Kulikov
- L.N. Gumilyov Eurasian National University, Astana, 010000, Kazakhstan
| | - Ruslan Sаfarov
- L.N. Gumilyov Eurasian National University, Astana, 010000, Kazakhstan
| | - Eldar Kopishev
- L.N. Gumilyov Eurasian National University, Astana, 010000, Kazakhstan
- Bukhara State University, Bukhara, 200400, Uzbekistan
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Jamil Emon F, Rohani MF, Sumaiya N, Tuj Jannat MF, Akter Y, Shahjahan M, Abdul Kari Z, Tahiluddin AB, Goh KW. Bioaccumulation and Bioremediation of Heavy Metals in Fishes-A Review. TOXICS 2023; 11:510. [PMID: 37368610 DOI: 10.3390/toxics11060510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/06/2023] [Accepted: 03/10/2023] [Indexed: 06/29/2023]
Abstract
Heavy metals, the most potent contaminants of the environment, are discharged into the aquatic ecosystems through the effluents of several industries, resulting in serious aquatic pollution. This type of severe heavy metal contamination in aquaculture systems has attracted great attention throughout the world. These toxic heavy metals are transmitted into the food chain through their bioaccumulation in different tissues of aquatic species and have aroused serious public health concerns. Heavy metal toxicity negatively affects the growth, reproduction, and physiology of fish, which is threatening the sustainable development of the aquaculture sector. Recently, several techniques, such as adsorption, physio-biochemical, molecular, and phytoremediation mechanisms have been successfully applied to reduce the toxicants in the environment. Microorganisms, especially several bacterial species, play a key role in this bioremediation process. In this context, the present review summarizes the bioaccumulation of different heavy metals into fishes, their toxic effects, and possible bioremediation techniques to protect the fishes from heavy metal contamination. Additionally, this paper discusses existing strategies to bioremediate heavy metals from aquatic ecosystems and the scope of genetic and molecular approaches for the effective bioremediation of heavy metals.
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Affiliation(s)
- Farhan Jamil Emon
- Laboratory of Fish Ecophysiology, Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Md Fazle Rohani
- Department of Aquaculture, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Nusrat Sumaiya
- Laboratory of Fish Ecophysiology, Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Mst Fatema Tuj Jannat
- Laboratory of Fish Ecophysiology, Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Yeasmin Akter
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Md Shahjahan
- Laboratory of Fish Ecophysiology, Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Zulhisyam Abdul Kari
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, Jeli 17600, Malaysia
- Advanced Livestock and Aquaculture Research Group, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, Jeli 17600, Malaysia
| | - Albaris B Tahiluddin
- College of Fisheries, Mindanao State University-Tawi-Tawi College of Technology and Oceanography, Sanga-Sanga, Bongao 7500, Philippines
| | - Khang Wen Goh
- Faculty of Data Science and Information Technology, INTI International University, Nilai 71800, Malaysia
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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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Fekete-Kertész I, Stirling T, Vaszita E, Berkl Z, Farkas É, Hedwig S, Remmen K, Lenz M, Molnár M, Feigl V. Ecotoxicity attenuation by acid-resistant nanofiltration in scandium recovery from TiO 2 production waste. Heliyon 2023; 9:e15512. [PMID: 37128350 PMCID: PMC10148044 DOI: 10.1016/j.heliyon.2023.e15512] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/11/2023] [Accepted: 04/12/2023] [Indexed: 05/03/2023] Open
Abstract
The lack of high-grade scandium (Sc) ores and recovery strategies has stimulated research on the exploitation of non-ore-related secondary sources that have great potential to safeguard the critical raw materials supply of the EU's economy. Waste materials may satisfy the growing global Sc demand, specifically residues from titanium dioxide (TiO2) production. New technologies are being developed for the recovery of Sc from such residues; however, the possible environmental impacts of intermediary products and residues are usually not considered. In order to provide a comprehensive ecotoxicity characterisation of the wastes and intermediate residues resulting from one promising new technology, acid-resistant nanofiltration (arNF), a waste-specific ecotoxicity toolkit was established. Three ecotoxicity assays were selected with specific test parameters providing the most diverse outcome for toxicity characterisation at different trophic levels: Aliivibrio fischeri (bacteria) bioluminescence inhibition (30 min exposure), Daphnia magna (crustacean) lethality and immobilisation (24 h exposure) and Lemna minor (plant) growth inhibition with determination of the frond number (7 d exposure). According to our results, the environmental impact of the generated intermediate and final residues on the aquatic ecosystem was mitigated by the consecutive steps of the filtration methods applied. High and statistically significant toxicity attenuation was achieved according to each test organism: toxicity was lowered based on EC20 values, according to the A. fischeri bioluminescence inhibition assay (by 97%), D. magna lethality (by 99%) and L. minor frond number (by 100%), respectively, after the final filtration step, nanofiltration, in comparison to the original waste. Our results underline the importance of assessing chemical technologies' ecotoxicological and environmental impacts with easy-to-apply and cost-effective test methods to showcase the best available technologies.
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Affiliation(s)
- Ildikó Fekete-Kertész
- Budapest University of Technology and Economics, Department of Applied Biotechnology and Food Science, H-1111 Budapest, Műegyetem rkp. 3, Hungary
| | - Tamás Stirling
- Institute of Biochemistry, Szeged Biological Research Centre, 6726 Szeged, Hungary
- University of Szeged, 6726 Szeged, Hungary
| | - Emese Vaszita
- Budapest University of Technology and Economics, Department of Applied Biotechnology and Food Science, H-1111 Budapest, Műegyetem rkp. 3, Hungary
| | - Zsófia Berkl
- Budapest University of Technology and Economics, Department of Applied Biotechnology and Food Science, H-1111 Budapest, Műegyetem rkp. 3, Hungary
| | - Éva Farkas
- Budapest University of Technology and Economics, Department of Applied Biotechnology and Food Science, H-1111 Budapest, Műegyetem rkp. 3, Hungary
- Norwegian Institute of Bioeconomy Research (NIBIO), Division of Environment and Natural Resources, Høgskoleveien 7, 1432 Ås, Norway
| | - Sebastian Hedwig
- Institute for Ecopreneurship, University of Applied Sciences and Arts Northwestern Switzerland, School of Life Sciences, 4132, Muttenz, Switzerland
| | - Kirsten Remmen
- Institute for Ecopreneurship, University of Applied Sciences and Arts Northwestern Switzerland, School of Life Sciences, 4132, Muttenz, Switzerland
| | - Markus Lenz
- Institute for Ecopreneurship, University of Applied Sciences and Arts Northwestern Switzerland, School of Life Sciences, 4132, Muttenz, Switzerland
- Sub-Department of Environmental Technology, Wageningen University, 6700 AA, Wageningen, the Netherlands
- Corresponding author. Institute for Ecopreneurship, University of Applied Sciences and Arts Northwestern Switzerland, School of Life Sciences, 4132, Muttenz, Switzerland.
| | - Mónika Molnár
- Budapest University of Technology and Economics, Department of Applied Biotechnology and Food Science, H-1111 Budapest, Műegyetem rkp. 3, Hungary
| | - Viktória Feigl
- Budapest University of Technology and Economics, Department of Applied Biotechnology and Food Science, H-1111 Budapest, Műegyetem rkp. 3, Hungary
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Ye Q, Jin X, Zhu B, Gao H, Wei N. Lanmodulin-Functionalized Magnetic Nanoparticles as a Highly Selective Biosorbent for Recovery of Rare Earth Elements. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:4276-4285. [PMID: 36790366 DOI: 10.1021/acs.est.2c08971] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Recovering rare earth elements (REEs) from waste streams represents a sustainable approach to diversify REE supply while alleviating the environmental burden. However, it remains a critical challenge to selectively separate and concentrate REEs from low-grade waste streams. In this study, we developed a new type of biosorbent by immobilizing Lanmodulin-SpyCatcher (LanM-Spycatcher) on the surface of SpyTag-functionalized magnetic nanoparticles (MNPs) for selective separation and recovery of REEs from waste streams. The biosorbent, referred to as MNP-LanM, had an adsorption activity of 6.01 ± 0.11 μmol-terbium/g-sorbent and fast adsorption kinetics. The adsorbed REEs could be desorbed with >90% efficiency. The MNP-LanM selectively adsorbed REEs in the presence of a broad range of non-REEs. The protein storage stability of the MNP-LanM increased by two-fold compared to free LanM-SpyCatcher. The MNP-LanM could be efficiently separated using a magnet and reused with high stability as it retained ∼95% of the initial activity after eight adsorption-desorption cycles. Furthermore, the MNP-LanM selectively adsorbed and concentrated REEs from the leachate of coal fly ash and geothermal brine, resulting in 967-fold increase of REE purity. This study provides a scientific basis for developing innovative biosorptive materials for selective and efficient separation and recovery of REEs from low-grade feedstocks.
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Affiliation(s)
- Quanhui Ye
- Department of Civil and Environmental Engineering, 3221 Newmark Civil Engineering Laboratory, University of Illinois at Urbana-Champaign, 205 N. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Xiuyu Jin
- Department of Civil and Environmental Engineering, 3221 Newmark Civil Engineering Laboratory, University of Illinois at Urbana-Champaign, 205 N. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Baotong Zhu
- Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, 156 Fitzpatrick Hall, Notre Dame, Indiana 46556, United States
| | - Haifeng Gao
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Na Wei
- Department of Civil and Environmental Engineering, 3221 Newmark Civil Engineering Laboratory, University of Illinois at Urbana-Champaign, 205 N. Mathews Avenue, Urbana, Illinois 61801, United States
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Abstract
Production of metals stands for 40% of all industrial greenhouse gas emissions, 10% of the global energy consumption, 3.2 billion tonnes of minerals mined, and several billion tonnes of by-products every year. Therefore, metals must become more sustainable. A circular economy model does not work, because market demand exceeds the available scrap currently by about two-thirds. Even under optimal conditions, at least one-third of the metals will also in the future come from primary production, creating huge emissions. Although the influence of metals on global warming has been discussed with respect to mitigation strategies and socio-economic factors, the fundamental materials science to make the metallurgical sector more sustainable has been less addressed. This may be attributed to the fact that the field of sustainable metals describes a global challenge, but not yet a homogeneous research field. However, the sheer magnitude of this challenge and its huge environmental effects, caused by more than 2 billion tonnes of metals produced every year, make its sustainability an essential research topic not only from a technological point of view but also from a basic materials research perspective. Therefore, this paper aims to identify and discuss the most pressing scientific bottleneck questions and key mechanisms, considering metal synthesis from primary (minerals), secondary (scrap), and tertiary (re-mined) sources as well as the energy-intensive downstream processing. Focus is placed on materials science aspects, particularly on those that help reduce CO2 emissions, and less on process engineering or economy. The paper does not describe the devastating influence of metal-related greenhouse gas emissions on climate, but scientific approaches how to solve this problem, through research that can render metallurgy fossil-free. The content is considering only direct measures to metallurgical sustainability (production) and not indirect measures that materials leverage through their properties (strength, weight, longevity, functionality).
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Affiliation(s)
- Dierk Raabe
- Max-Planck-Institut für Eisenforschung, Max-Planck-Str. 1, 40237 Düsseldorf, Germany
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7
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Progress in bioleaching: part B, applications of microbial processes by the minerals industries. Appl Microbiol Biotechnol 2022; 106:5913-5928. [PMID: 36038754 PMCID: PMC9424069 DOI: 10.1007/s00253-022-12085-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/15/2022] [Accepted: 07/18/2022] [Indexed: 11/30/2022]
Abstract
Abstract This review provides an update to the last mini-review with the same title pertaining to recent developments in bioleaching and biooxidation published in 2013 (Brierley and Brierley). In the intervening almost 10 years, microbial processes for sulfide minerals have seen increased acceptance and ongoing but also declining commercial application in copper, gold, nickel and cobalt production. These processes have been applied to heap and tank leaching, nowadays termed biomining, but increasing concerns about the social acceptance of mining has also seen the re-emergence of in situ leaching and quest for broader applicability beyond uranium and copper. Besides metal sulfide oxidation, mineral dissolution via reductive microbial activities has seen experimental application to laterite minerals. And as resources decline or costs for their exploitation rise, mine waste rock and tailings have become more attractive to consider as easily accessible resources. As an advantage, they have already been removed from the ground and in some cases contain ore grades exceeding that of those currently being mined. These factors promote concepts of circular economy and efficient use and valorization of waste materials. Key points • Bioleaching of copper sulfide ore deposits is producing less copper today • Biooxidation of refractory gold ores is producing more gold than in the past • Available data suggest bioleaching and biooxidation processes reduce carbon emissions
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Salgansky EA, Kislov VM, Tsvetkov MV, Zaichenko AY, Podlesniy DN, Salganskaya MV, Kadiev KM, Visaliev MY, Zekel LA. Energy Production and Recovery of Rare Metals from Ash Residue During Coal Filtration Combustion. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B 2022. [DOI: 10.1134/s1990793122020105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Benmamas L, Bouzidi Y, Houset G, Nomenyo K, Bru K, Beaulieu M, Leclere P, Clerget L, Lerondel G. Selective separation of plastic LED lamp components using electrodynamic fragmentation for material recovery. WASTE MANAGEMENT (NEW YORK, N.Y.) 2022; 144:210-220. [PMID: 35395506 DOI: 10.1016/j.wasman.2022.03.024] [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: 07/26/2021] [Revised: 03/09/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
The recycling of light-emitting diode (LED) lamps and tubes is becoming increasingly important due to their growing market share as energy-efficient lighting technology. Here we report on the use of high voltage electric-pulse fragmentation to recover elementary components such as LED chips and printed circuit boards (drivers). E27 LED lamps with plastic bulbs, which represent 48% of deposits collected by a French company, are used as a case study. More than 150 lamps were tested on a laboratory reactor for electrodynamic fragmentation. The technological process in which highly energetic electrical pulses were applied to materials immersed in water was studied in order to separate the components of the LED lamps using a minimal specific energy. The estimated energy necessary to achieve total separation assessed at 64%, without grinding pretreatment, was 5.2 ± 0.6 kWh per ton, representing a mass recycling rate of 74%. Based on the disassembled material, the commercial value of the recovered materials was thus estimated. Gold, as the most representative material, was found to represent 0.03% of the mass fraction for 83.6% of the total commercial value. The process disassembling capacity is a key issue to increase the recycling rate of current LED lamps and tubes.
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Affiliation(s)
- Lotfi Benmamas
- Interdisciplinary Research on Society-Technology-Environment Interactions (InSyTE), Université de Technologie de Troyes, 12 rue Marie Curie, CS 42060, 10004 Troyes, France; Lumière Nanomatériaux et Nanotechnologie (L2n), CNRS ERL 7004, Université de Technologie de Troyes, 12 rue Marie Curie, CS 42060, 10004 Troyes, France; ARTEMISE Recyclage, 1 ZAE des Joncs, 10160 Vulaines, France
| | - Youcef Bouzidi
- Interdisciplinary Research on Society-Technology-Environment Interactions (InSyTE), Université de Technologie de Troyes, 12 rue Marie Curie, CS 42060, 10004 Troyes, France.
| | - Guy Houset
- Life Assessment of Structures, Materials, Mechanics and Integrated Systems (LASMIS) Laboratory, Université de Technologie de Troyes, 12 rue Marie Curie, CS 42060, 10004 Troyes, France
| | - Komla Nomenyo
- Lumière Nanomatériaux et Nanotechnologie (L2n), CNRS ERL 7004, Université de Technologie de Troyes, 12 rue Marie Curie, CS 42060, 10004 Troyes, France
| | - Kathy Bru
- BRGM, 3 avenue Claude Guillemin, BP 36009, Orléans Cedex 2 45060, France
| | - Mickael Beaulieu
- BRGM, 3 avenue Claude Guillemin, BP 36009, Orléans Cedex 2 45060, France
| | | | - Laure Clerget
- ARTEMISE Recyclage, 1 ZAE des Joncs, 10160 Vulaines, France
| | - Gilles Lerondel
- Lumière Nanomatériaux et Nanotechnologie (L2n), CNRS ERL 7004, Université de Technologie de Troyes, 12 rue Marie Curie, CS 42060, 10004 Troyes, France
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Giese EC. E-waste mining and the transition toward a bio-based economy: The case of lamp phosphor powder. MRS ENERGY & SUSTAINABILITY 2022. [PMID: 37520803 PMCID: PMC9009162 DOI: 10.1557/s43581-022-00026-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Abstract Replacement of conventional hydrometallurgical and pyrometallurgical process used in E-waste recycling to recover metals can be possible. The metallurgical industry has been considered biohydrometallurgical-based technologies for E-waste recycling. Biorecovery of critical metals from phosphor powder from spent lamps is an example of transition to a bio-based circular economy. E-waste contains economically significant levels of precious, critical metals and rare-earth elements (REE), apart from base metals and other toxic compounds. Recycling and recovery of critical elements from E-waste using a cost-effective technology are now among the top priorities in metallurgy due to the rapid depletion of their natural resources. This paper focuses on the perceptions of recovery of REE from phosphor powder from spent fluorescent lamps regarding a possible transition toward a bio-based economy. An overview of the worldwide E-waste and REE is also demonstrated to reinforce the arguments for the importance of E-waste as a secondary source of some critical metals. Based on the use of bioprocesses, we argue that the replacement of conventional steps used in E-waste recycling by bio-based technological processes can be possible. The bio-recycling of E-waste follows a typical sequence of industrial processes intensely used in classic pyro- and hydrometallurgy with the addition of bio-hydrometallurgical processes such as bioleaching and biosorption. We use the case study of REE biosorption as a new technology based on biological principles to exemplify the potential of urban biomining. The perspective of transition between conventional processes for the recovery of valuable metals for biohydrometallurgy defines which issues related to urban mining can influence the mineral bioeconomy. This assessment is necessary to outline future directions for sustainable recycling development to achieve United Nations Sustainable Development Goals. Graphical Abstract ![]()
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11
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Henagamage AP, Peries CM, Seneviratne G. Fungal-bacterial biofilm mediated heavy metal rhizo-remediation. World J Microbiol Biotechnol 2022; 38:85. [PMID: 35380298 DOI: 10.1007/s11274-022-03267-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 03/21/2022] [Indexed: 12/01/2022]
Abstract
Heavy metal pollution due to excessive use of chemical fertilizers (CF) causes major damage to the environment. Microbial biofilms, closely associated with the rhizosphere can remediate heavy metal-contaminated soil by reducing plant toxicity. Thus, this study was undertaken to examine the remedial effects of microbial biofilms against contaminated heavy metals. Fungi and bacteria isolated from soil were screened for their tolerance against Cd2+, Pb2+, and Zn2+. Three bacterial and two fungal isolates were selected upon the tolerance index (TI) percentage. Fungal-bacterial biofilms (FBBs) were developed with the most tolerant isolates and were further screened for their bioremediation capabilities against heavy metals. The best biofilm was evaluated for its rhizoremediation capability with different CF combinations using a pot experiment conducted under greenhouse conditions with potatoes. Significantly (P < 0.05), the highest metal removal percentage was observed in Trichoderma harzianum and Bacillus subtilis biofilm under in situ conditions. When compared to the 100% recommended CF, the biofilm with 50% of the recommended CF (50CB) significantly (P < 0.05) reduced soil available Pb2+ by 77%, Cd2+ by 78% and Zn2+ by 62%. In comparison to initial soil, it was 73%, 76%, and 57% lower of Pb2+, Cd2+, and Zn2+, respectively. In addition, 50CB treatment significantly (P < 0.05) reduced the metal penetration into the tuber tissues in comparison with 100 C. Thus, the function of the developed FBB with T. harzianum-B. subtilis can be used as a potential solution to remediate soil polluted with Pb2+ Cd2+ and Zn2+ metal contaminants.
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Affiliation(s)
- A P Henagamage
- Department of Science and Technology, Faculty of Applied Sciences, Uva Wellassa University, Passara Road, Badulla, Sri Lanka.
| | - C M Peries
- Department of Science and Technology, Faculty of Applied Sciences, Uva Wellassa University, Passara Road, Badulla, Sri Lanka
| | - G Seneviratne
- National Institute of Fundamental Studies, Hantana Road, Kandy, Sri Lanka
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12
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Bacterial Biosorbents, an Efficient Heavy Metals Green Clean-Up Strategy: Prospects, Challenges, and Opportunities. Microorganisms 2022; 10:microorganisms10030610. [PMID: 35336185 PMCID: PMC8953973 DOI: 10.3390/microorganisms10030610] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 12/17/2022] Open
Abstract
Rapid industrialization has led to the pollution of soil and water by various types of contaminants. Heavy metals (HMs) are considered the most reactive toxic contaminants, even at low concentrations, which cause health problems through accumulation in the food chain and water. Remediation using conventional methods, including physical and chemical techniques, is a costly treatment process and generates toxic by-products, which may negatively affect the surrounding environment. Therefore, biosorption has attracted significant research interest in the recent decades. In contrast to existing methods, bacterial biomass offers a potential alternative for recovering toxic/persistent HMs from the environment through different mechanisms for metal ion uptake. This review provides an outlook of the advantages and disadvantages of the current bioremediation technologies and describes bacterial groups, especially extremophiles with biosorbent potential for heavy metal removal with relevant examples and perspectives.
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13
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Gavrilescu M. Microbial recovery of critical metals from secondary sources. BIORESOURCE TECHNOLOGY 2022; 344:126208. [PMID: 34715340 DOI: 10.1016/j.biortech.2021.126208] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/17/2021] [Accepted: 10/20/2021] [Indexed: 06/13/2023]
Abstract
The continuous development of technologies involving critical metals, both in Europe and over the world, and geopolitical challenges in areas rich in critical metal sources, imposed increased research efforts to recover them from secondary sources, by eco-efficient processes. Yet, microbes-metal interactions are not sufficiently exploited to recover metals from secondary sources, although they are already used in ore extraction. This review examines and compare strategies and processes involving microorganisms for critical metals recovery, since conventional physico-chemical methods are energy-intensive and often polluting. Two groups of microbial assisted recovery processes are discussed: metal mobilization from metal bearing waste, and selective metal separation from leaching solutions by immobilization on microbial biomass. Because most of the identified microbial technologies are developed on laboratory scale, the increase of biorecovery efficiency is compulsory for enhancing scaling-up potential. Future developments focused on novel microorganisms and high-performance strategies for critical metal recovery by microbial processes are considered.
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Affiliation(s)
- Maria Gavrilescu
- "Gheorghe Asachi" Technical University of Iasi, "Cristofor Simionescu" Faculty of Chemical Engineering and Environmental Protection, Department of Environmental Engineering and Management, 73 Prof. Mangeron Blvd., 700050 Iasi, Romania.
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14
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Ostermeyer P, Bonin L, Leon-Fernandez LF, Dominguez-Benetton X, Hennebel T, Rabaey K. Electrified bioreactors: the next power-up for biometallurgical wastewater treatment. Microb Biotechnol 2021; 15:755-772. [PMID: 34927376 PMCID: PMC8913880 DOI: 10.1111/1751-7915.13992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 11/26/2021] [Accepted: 11/29/2021] [Indexed: 12/23/2022] Open
Abstract
Over the past decades, biological treatment of metallurgical wastewaters has become commonplace. Passive systems require intensive land use due to their slow treatment rates, do not recover embedded resources and are poorly controllable. Active systems however require the addition of chemicals, increasing operational costs and possibly negatively affecting safety and the environment. Electrification of biological systems can reduce the use of chemicals, operational costs, surface footprint and environmental impact when compared to passive and active technologies whilst increasing the recovery of resources and the extraction of products. Electrification of low rate applications has resulted in the development of bioelectrochemical systems (BES), but electrification of high rate systems has been lagging behind due to the limited mass transfer, electron transfer and biomass density in BES. We postulate that for high rate applications, the electrification of bioreactors, for example, through the use of electrolyzers, may herald a new generation of electrified biological systems (EBS). In this review, we evaluate the latest trends in the field of biometallurgical and microbial‐electrochemical wastewater treatment and discuss the advantages and challenges of these existing treatment technologies. We advocate for future research to focus on the development of electrified bioreactors, exploring the boundaries and limitations of these systems, and their validity upon treating industrial wastewaters.
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Affiliation(s)
- Pieter Ostermeyer
- Faculty of Bioscience Engineering, Center of Microbial Ecology and Technology (CMET), Ghent University, Coupure Links 653, Ghent, B-9000, Belgium.,CAPTURE, Frieda Saeysstraat 1, Ghent, 9000, Belgium
| | - Luiza Bonin
- Faculty of Bioscience Engineering, Center of Microbial Ecology and Technology (CMET), Ghent University, Coupure Links 653, Ghent, B-9000, Belgium.,CAPTURE, Frieda Saeysstraat 1, Ghent, 9000, Belgium
| | - Luis Fernando Leon-Fernandez
- Separation and Conversion Technology, Flemish Institute for Technological Research (VITO), Boeretang 200, Mol, 2400, Belgium
| | - Xochitl Dominguez-Benetton
- Separation and Conversion Technology, Flemish Institute for Technological Research (VITO), Boeretang 200, Mol, 2400, Belgium
| | - Tom Hennebel
- Faculty of Bioscience Engineering, Center of Microbial Ecology and Technology (CMET), Ghent University, Coupure Links 653, Ghent, B-9000, Belgium.,Group Research and Development, Competence Area Recycling and Extraction Technologies, Umicore, Watertorenstraat 33, Olen, B-2250, Belgium
| | - Korneel Rabaey
- Faculty of Bioscience Engineering, Center of Microbial Ecology and Technology (CMET), Ghent University, Coupure Links 653, Ghent, B-9000, Belgium.,CAPTURE, Frieda Saeysstraat 1, Ghent, 9000, Belgium
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15
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Bulgariu L, Ferţu DI, Cara IG, Gavrilescu M. Efficacy of Alkaline-Treated Soy Waste Biomass for the Removal of Heavy-Metal Ions and Opportunities for Their Recovery. MATERIALS 2021; 14:ma14237413. [PMID: 34885568 PMCID: PMC8658633 DOI: 10.3390/ma14237413] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/01/2021] [Accepted: 12/02/2021] [Indexed: 11/16/2022]
Abstract
In this study, soy waste biomass (SW) resulting from oil extraction was treated with alkaline solution, and the obtained material (Na-SW) was used as biosorbent for the removal of Pb(II), Cd(II), and Zn(II) ions from aqueous media. The performance of this biosorbent was examined in batch systems, at different initial metal ion concentrations and contact times (pH 3.4; 5 g of biosorbent/L). Isotherm and kinetic modeling was used to calculate the equilibrium and kinetics of the biosorption processes. The maximum biosorption capacity, calculated from the Langmuir isotherm model, followed the order Zn(II) (0.49 mmol/g) > Cd(II) (0.41 mmol/g) ≈ Pb(II) (0.40 mmol/g), while the kinetics of biosorption processes fit the pseudo-second-order model. Three cycles of biosorption/desorption were performed to estimate the reusability of Na-SW biosorbent, and the regeneration efficiency was higher than 97% in all cases. The practical applicability of Na-SW biosorbent in treating of wastewater contaminated with Pb(II), Cd(II), and Zn(II) ions was examined using simulated wastewater samples, and the main quality characteristics of the effluents obtained after treatment were evaluated. All these aspects highlight the potential applicability of Na-SW for large-scale wastewater treatment.
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Affiliation(s)
- Laura Bulgariu
- Department of Environmental Engineering and Management, “Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, Gheorghe Asachi Technical University of Iaşi, 700050 Iaşi, Romania
- Correspondence: (L.B.); (M.G.)
| | - Daniela Ionela Ferţu
- Department of Pharmaceutical Sciences, Faculty of Medicine and Pharmacy, Dunarea de Jos University of Galaţi, 800002 Galati, Romania;
| | - Irina Gabriela Cara
- Research Institute for Agriculture and Environment, “Ion Ionescu de la Brad” Iasi University of Life Sciences, 700490 Iasi, Romania;
| | - Maria Gavrilescu
- Department of Environmental Engineering and Management, “Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, Gheorghe Asachi Technical University of Iaşi, 700050 Iaşi, Romania
- Academy of Romanian Scientists, 54 Splaiul Independentei, 050094 Bucharest, Romania
- Correspondence: (L.B.); (M.G.)
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16
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Enhancement of WEEE Management Practices in MTN Phone Village, Rumukurushi, Port Harcourt, Nigeria. RECYCLING 2021. [DOI: 10.3390/recycling6040077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Informal recycling has been a source of challenges to a mobile telephone network (MTN) phone village in Rumukurushi, Port Harcourt, Nigeria, and several locations in developing countries. In order to bring a lasting solution to the menace of informal recycling in this location, the study proposed a new waste electrical and electronic equipment (WEEE) management system. The system comprises the application of two key concepts. The first concept includes limiting the activities of informal recyclers to WEEE collection only. This implies WEEE treatment, dismantling, etc., are carried out by government-approved agencies and experts. The second concept involves the application of the just-in-time (JIT) management concept for managing WEEE. The concept ensures that WEEE is only requested from the recycler or the individuals in possession of it and only on demand. The study adopted a qualitative research approach. Data collection and analysis were achieved via semi-structured phone interviews and thematic analysis, respectively. The outcome of the study limits the activities of the informal recyclers to WEEE collection. Informal recyclers gain revenue from collection. A reduction in the waiting time of workers and WEEE storage space is achieved. This offers safety, efficiency, and an increased productivity. This will help to revolutionise the WEEE management system in the location.
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17
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Kinetics and equilibrium study for the biosorption of lanthanum by Penicillium simplicissimum INCQS 40,211. 3 Biotech 2021; 11:460. [PMID: 34722100 DOI: 10.1007/s13205-021-03004-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/26/2021] [Indexed: 01/23/2023] Open
Abstract
Lanthanum (La) is a light rare-earth element that plays an essential role in manufacturing technological products, clean technologies, medical products, electron cathodes, scintillators, fluorescent lamps, and fertilizers. This study is the first investigation of La3+ biosorption using inactive lyophilized biomass from Penicillium simplicissimum INCQS 40,211. The maximum sorption capacity (qmax) for P. simplicissimum was 7.81 mg g-1. La 3+ biosorption followed the Freundlich model, where the biosorption system possibly multilayer coverage of P. simplicissimum by lanthanum ions. The kinetic data for the adsorption process obeyed a pseudo-second-order (R 2 > 0.92), indicating chemical sorption. The results indicated that inactive lyophilized biomass from Penicillium simplicissimum INCQS 40211are an excellent candidate for removing light rare-earth elements from aquatic environments.
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Patel F, Lakshmi B. Bioleaching of copper and nickel from mobile phone printed circuit board using Aspergillus fumigatus A2DS. Braz J Microbiol 2021; 52:1475-1487. [PMID: 34146301 PMCID: PMC8324663 DOI: 10.1007/s42770-021-00526-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 05/11/2021] [Indexed: 11/28/2022] Open
Abstract
The recovery of metals from electronic waste was investigated by using fungal strain Aspergillus fumigatus A2DS, isolated from the mining industry wastewater. Fifty-seven percent of copper and 32% of nickel were leached (analyzed by Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-OES)) by the organism after one-step leaching at a temperature of 30 °C (shaking condition for 7 days). Maximum % of copper and nickel were obtained at a pH of 6 (58.7% Cu and 32% Ni), the temperature of 40 °C (61.8% Cu and 27.07% Ni), a pulp density of 0.5% (62% Cu and 42.37% Ni), and inoculums of 1% (58% Cu and 32.29% Ni). The XRD pattern of PCB showed 77.6% of copper containing compounds. XRD analysis of the leachate residue showed only 23.2% Euchorite (ASCu2H7O8) and 9.4% other copper containing compounds, indicating the leaching property of the fungus. HPLC analysis of the spent medium showed the presence of different acids like citric, succinic, and fumaric acid. The FTIR spectrum showed a decrease in carboxylic stretching in the leachate produced after bioleaching using spent medium. ICPOES of the leachate obtained using spent medium showed that 61% of the copper and 35% of nickel were leached out after seven days of incubation at shaking condition and 57% of copper and 32.8% of nickel at static condition confirming acidolysis property of the strain. A. fumigatus A2DS metal absorption and adsorption ability were observed using transmission electron microscopy (TEM) and scanning electron microscopy energy dispersive X-ray (SEM-EDX) respectively. The results thus indicate that bioleaching of Cu and Ni is bioleached by A. fumigatus A2DS.
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Affiliation(s)
- Falguni Patel
- Department of Microbiology and Biotechnology, SMMPISR, Kadi Sarva Vishwavidyalaya, Gandhinagar, Gujarat, 382015, India
| | - B Lakshmi
- Department of Microbiology and Biotechnology, SMMPISR, Kadi Sarva Vishwavidyalaya, Gandhinagar, Gujarat, 382015, India.
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Schönberger N, Taylor C, Schrader M, Drobot B, Matys S, Lederer FL, Pollmann K. Gallium-binding peptides as a tool for the sustainable treatment of industrial waste streams. JOURNAL OF HAZARDOUS MATERIALS 2021; 414:125366. [PMID: 33636447 DOI: 10.1016/j.jhazmat.2021.125366] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/31/2021] [Accepted: 02/05/2021] [Indexed: 06/12/2023]
Abstract
Here we provide a proof of principle for an application-oriented concept for the peptide-based recovery of gallium in industrial wastewater, which was supported by biosorption studies with a real wastewater sample. We investigated the interaction of the gallium-binding peptides TMHHAAIAHPPH, NYLPHQSSSPSR, SQALSTSRQDLR, HTQHIQSDDHLA, and NDLQRHRLTAGP with gallium and arsenic through different experimental and computational approaches. Data obtained from isothermal titration microcalorimetry indicated a competitive influence by the presence of acetate ions with an exothermic contribution to the otherwise endothermic peptide gallium interactions. For peptide HTQHIQSDDHLA, a stabilizing influence of acetate ions on the metal peptide interaction was found. Peptide NYLPHQSSSPSR showed the highest affinity for gallium in ITC studies. Computational modeling of peptide NYLPHQSSSPSR was used to determine interaction parameters and to explain a possible binding mechanism. Furthermore, the peptides were immobilized on polystyrene beads. Thus, we created a novel and exceptionally robust peptide-based material for the biosorption of gallium from an aqueous solution. Data obtained from isothermal titration microcalorimetry indicated a competitive influence by the presence of acetate ions with an exothermic contribution to the otherwise endothermic peptide gallium interactions. For peptide HTQHIQSDDHLA, a stabilizing influence of acetate ions on the metal peptide interaction was found. Peptide NYLPHQSSSPSR showed the highest affinity for gallium in ITC studies. Computational modeling of peptide NYLPHQSSSPSR was used to determine interaction parameters and to explain a possible binding mechanism. Furthermore, the peptides were immobilized on polystyrene beads. Thus, we created a novel and exceptionally robust peptide-based material for the biosorption of gallium from an aqueous solution.
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Affiliation(s)
- Nora Schönberger
- Institute of Nonferrous Metallurgy and Purest Materials, TU Bergakademie Freiberg, Leipziger Str. 32, 09599 Freiberg, Germany; Helmholtz Institute Freiberg for Resource Technology, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany.
| | - Corey Taylor
- Institute of Resource Ecology, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - Martin Schrader
- Helmholtz Institute Freiberg for Resource Technology, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - Björn Drobot
- Institute of Resource Ecology, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - Sabine Matys
- Helmholtz Institute Freiberg for Resource Technology, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - Franziska L Lederer
- Helmholtz Institute Freiberg for Resource Technology, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - Katrin Pollmann
- Helmholtz Institute Freiberg for Resource Technology, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
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Abstract
Rare earth elements (REEs) are becoming more and more significant as they play crucial roles in many advanced technologies. Therefore, the development of optimized processes for their recovery, whether from primary resources or from secondary sources, has become necessary, including recovery from mine tailings, recycling of end-of-life products and urban and industrial waste. Ionic solvents, including ionic liquids (ILs) and deep-eutectic solvents (DESs), have attracted much attention since they represent an alternative to conventional processes for metal recovery. These systems are used as reactive agents in leaching and extraction processes. The most significant studies reported in the last decade regarding the recovery of REEs are presented in this review.
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21
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Gallo G, Puopolo R, Carbonaro M, Maresca E, Fiorentino G. Extremophiles, a Nifty Tool to Face Environmental Pollution: From Exploitation of Metabolism to Genome Engineering. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:5228. [PMID: 34069056 PMCID: PMC8157027 DOI: 10.3390/ijerph18105228] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/06/2021] [Accepted: 05/09/2021] [Indexed: 12/13/2022]
Abstract
Extremophiles are microorganisms that populate habitats considered inhospitable from an anthropocentric point of view and are able to tolerate harsh conditions such as high temperatures, extreme pHs, high concentrations of salts, toxic organic substances, and/or heavy metals. These microorganisms have been broadly studied in the last 30 years and represent precious sources of biomolecules and bioprocesses for many biotechnological applications; in this context, scientific efforts have been focused on the employment of extremophilic microbes and their metabolic pathways to develop biomonitoring and bioremediation strategies to face environmental pollution, as well as to improve biorefineries for the conversion of biomasses into various chemical compounds. This review gives an overview on the peculiar metabolic features of certain extremophilic microorganisms, with a main focus on thermophiles, which make them attractive for biotechnological applications in the field of environmental remediation; moreover, it sheds light on updated genetic systems (also those based on the CRISPR-Cas tool), which expand the potentialities of these microorganisms to be genetically manipulated for various biotechnological purposes.
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Affiliation(s)
- Giovanni Gallo
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126 Napoli, Italy; (G.G.); (R.P.); (M.C.); (E.M.)
- Consiglio Nazionale delle Ricerche CNR, Institute of Polymers, Composites and Biomaterials (IPCB), Via Campi Flegrei, 34, 80078 Pozzuoli, Italy
| | - Rosanna Puopolo
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126 Napoli, Italy; (G.G.); (R.P.); (M.C.); (E.M.)
| | - Miriam Carbonaro
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126 Napoli, Italy; (G.G.); (R.P.); (M.C.); (E.M.)
| | - Emanuela Maresca
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126 Napoli, Italy; (G.G.); (R.P.); (M.C.); (E.M.)
| | - Gabriella Fiorentino
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126 Napoli, Italy; (G.G.); (R.P.); (M.C.); (E.M.)
- Consiglio Nazionale delle Ricerche CNR, Institute of Polymers, Composites and Biomaterials (IPCB), Via Campi Flegrei, 34, 80078 Pozzuoli, Italy
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22
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Pallares RM, An DD, Deblonde GJP, Kullgren B, Gauny SS, Jarvis EE, Abergel RJ. Efficient discrimination of transplutonium actinides by in vivo models. Chem Sci 2021; 12:5295-5301. [PMID: 34168780 PMCID: PMC8179619 DOI: 10.1039/d0sc06610a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 02/24/2021] [Indexed: 01/18/2023] Open
Abstract
Transplutonium actinides are among the heaviest elements whose macroscale chemical properties can be experimentally tested. Being scarce and hazardous, their chemistry is rather unexplored, and they have traditionally been considered a rather homogeneous group, with most of their characteristics extrapolated from lanthanide surrogates. Newly emerged applications for these elements, combined with their persistent presence in nuclear waste, however, call for a better understanding of their behavior in complex living systems. In this work, we explored the biodistribution and excretion profiles of four transplutonium actinides (248Cm, 249Bk, 249Cf and 253Es) in a small animal model, and evaluated their in vivo sequestration and decorporation by two therapeutic chelators, diethylenetriamine pentaacetic acid and 3,4,3-LI(1,2-HOPO). Notably, the organ deposition patterns of those transplutonium actinides were element-dependent, particularly in the liver and skeleton, where lower atomic number radionuclides showed up to 7-fold larger liver/skeleton accumulation ratios. Nevertheless, the metal content in multiple organs was significantly decreased for all tested actinides, particularly in the liver, after administering the therapeutic agent 3,4,3-LI(1,2-HOPO) post-contamination. Lastly, the systematic comparison of the radionuclide biodistributions showed discernibly element-dependent organ depositions, which may provide insights into design rules for new bio-inspired chelating systems with high sequestration and separation performance.
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Affiliation(s)
- Roger M Pallares
- Chemical Sciences Division, Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Dahlia D An
- Chemical Sciences Division, Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Gauthier J-P Deblonde
- Chemical Sciences Division, Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
- Glenn T. Seaborg Institute, Physical and Life Sciences, Lawrence Livermore National Laboratory Livermore CA 94550 USA
| | - Birgitta Kullgren
- Chemical Sciences Division, Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Stacey S Gauny
- Chemical Sciences Division, Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Erin E Jarvis
- Chemical Sciences Division, Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Rebecca J Abergel
- Chemical Sciences Division, Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
- Department of Nuclear Engineering, University of California Berkeley CA 94720 USA
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23
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Patel A, Enman J, Gulkova A, Guntoro PI, Dutkiewicz A, Ghorbani Y, Rova U, Christakopoulos P, Matsakas L. Integrating biometallurgical recovery of metals with biogenic synthesis of nanoparticles. CHEMOSPHERE 2021; 263:128306. [PMID: 33297243 DOI: 10.1016/j.chemosphere.2020.128306] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/28/2020] [Accepted: 09/09/2020] [Indexed: 06/12/2023]
Abstract
Industrial activities, such as mining, electroplating, cement production, and metallurgical operations, as well as manufacturing of plastics, fertilizers, pesticides, batteries, dyes or anticorrosive agents, can cause metal contamination in the surrounding environment. This is an acute problem due to the non-biodegradable nature of metal pollutants, their transformation into toxic and carcinogenic compounds, and bioaccumulation through the food chain. At the same time, platinum group metals and rare earth elements are of strong economic interest and their recovery is incentivized. Microbial interaction with metals or metals-bearing minerals can facilitate metals recovery in the form of nanoparticles. Metal nanoparticles are gaining increasing attention due to their unique characteristics and application as antimicrobial and antibiofilm agents, biocatalysts, in targeted drug delivery, for wastewater treatment, and in water electrolysis. Ideally, metal nanoparticles should be homogenous in shape and size, and not toxic to humans or the environment. Microbial synthesis of nanoparticles represents a safe, and environmentally friendly alternative to chemical and physical methods. In this review article, we mainly focus on metal and metal salts nanoparticles synthesized by various microorganisms, such as bacteria, fungi, microalgae, and yeasts, as well as their advantages in biomedical, health, and environmental applications.
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Affiliation(s)
- Alok Patel
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | - Josefine Enman
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | | | - Pratama Istiadi Guntoro
- Mineral Processing, Division of Minerals and Metallurgical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | - Agata Dutkiewicz
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | - Yousef Ghorbani
- Mineral Processing, Division of Minerals and Metallurgical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | - Ulrika Rova
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | - Paul Christakopoulos
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | - Leonidas Matsakas
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, SE-971 87, Luleå, Sweden.
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24
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Abstract
Due to rapid urbanization and industrialization, the population density of the world is intense in developing countries. This overgrowing population has resulted in the production of huge amounts of waste/refused water due to various anthropogenic activities. Household, municipal corporations (MC), urban local bodies (ULBs), and industries produce a huge amount of waste water, which is discharged into nearby water bodies and streams/rivers without proper treatment, resulting in water pollution. This mismanaged treatment of wastewater leads to various challenges like loss of energy to treat the wastewater and scarcity of fresh water, beside various water born infections. However, all these major issues can provide solutions to each other. Most of the wastewater generated by ULBs and industries is rich in various biopolymers like starch, lactose, glucose lignocellulose, protein, lipids, fats, and minerals, etc. These biopolymers can be converted into sustainable biofuels, i.e., ethanol, butanol, biodiesel, biogas, hydrogen, methane, biohythane, etc., through its bioremediation followed by dark fermentation (DF) and anaerobic digestion (AD). The key challenge is to plan strategies in such a way that they not only help in the treatment of wastewater, but also produce some valuable energy driven products from it. This review will deal with various strategies being used in the treatment of wastewater as well as for production of some valuable energy products from it to tackle the upcoming future demands and challenges of fresh water and energy crisis, along with sustainable development.
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25
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Šyc M, Simon FG, Hykš J, Braga R, Biganzoli L, Costa G, Funari V, Grosso M. Metal recovery from incineration bottom ash: State-of-the-art and recent developments. JOURNAL OF HAZARDOUS MATERIALS 2020; 393:122433. [PMID: 32143166 DOI: 10.1016/j.jhazmat.2020.122433] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 06/10/2023]
Abstract
Municipal solid waste incineration (MSWI) is one of the leading technologies for municipal solid waste (MSW) treatment in Europe. Incineration bottom ash (IBA) is the main solid residue from MSWI, and its annual European production is about 20 million tons. The composition of IBA depends on the composition of the incinerated waste; therefore, it may contain significant amounts of ferrous and non-ferrous (NFe) metals as well as glass that can be recovered. Technologies for NFe metals recovery have emerged in IBA treatment since the 1990s and became common practice in many developed countries. Although the principles and used apparatus are nearly the same in all treatment trains, the differences in technological approaches to recovery of valuable components from IBA - with a special focus on NFe metals recovery - are summarized in this paper.
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Affiliation(s)
- Michal Šyc
- Institute of Chemical Process Fundamentals, Czech Academy of Sciences, Rozvojová 135, Prague 6, Czech Republic.
| | - Franz Georg Simon
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 1205, Berlin, Germany
| | - Jiri Hykš
- Danish Waste Solutions ApS, Agern Allé 3, 2970, Hørsholm, Denmark
| | - Roberto Braga
- Dipartimento di Scienze Biologiche Geologiche e Ambientali (BiGeA), Università di Bologna, Piazza di Porta San Donato 1, 40126, Bologna, Italy
| | - Laura Biganzoli
- Department of Civil and Environmental Engineering (DICA), Politecnico di Milano, Piazza L. da Vinci 32, 20133, Milano, Italy
| | - Giulia Costa
- Laboratory of Environmental Engineering, Department of Civil Engineering and Computer Science Engineering (DICII), University of Rome Tor Vergata, via del Politecnico 1, 00133, Rome, Italy
| | - Valerio Funari
- Dipartimento di Scienze Biologiche Geologiche e Ambientali (BiGeA), Università di Bologna, Piazza di Porta San Donato 1, 40126, Bologna, Italy; Dipartimento di Biotecnologie, Stazione Zoologica Anton Dohrn (SZN), Villa Comunale, 80121, Naples, Italy
| | - Mario Grosso
- Department of Civil and Environmental Engineering (DICA), Politecnico di Milano, Piazza L. da Vinci 32, 20133, Milano, Italy
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Salgansky EA, Podlesniy DN, Tsvetkov MV, Zaichenko AY. Thermodynamic Estimating the Mass Transfer of Compounds of Rare Metals under Conditions of a Filtration Combustion Wave. RUSS J APPL CHEM+ 2020. [DOI: 10.1134/s1070427220070228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Abstract
The strategic importance of tantalum and its scarcity in Europe makes its recovery from low grade deposits and tailings interesting. In Penouta, the contents of Ta and Sn in old tailings from an Sn mine are of economic interest. Due to the relatively low grade of Ta of around 100 ppm, a detailed study of the mineralogy and liberation conditions is necessary. In this study, the mineralogy and the liberation characteristics of Sn and Ta ores of the Penouta tailings were investigated and compared with the current leucogranite outcropping ores. The characterization was conducted through X-ray diffraction, scanning electron microscopy, and electron microprobe. In addition, automated mineralogy techniques were used to determine the mineral associations and liberation characteristics of ore minerals. The grade of the leucogranite outcropping was found to be about 80 ppm for Ta and 400 ppm for Sn, and in the tailings used for the liberation study, the concentrations of Ta and Sn were about 100 ppm Ta and 500 ppm Sn, respectively. In both, the leucogranite outcropping and tailings, the major minerals found were quartz, albite, K-feldspar, and white mica. Ore minerals identified were columbite-group minerals (CGM), microlite, and cassiterite. The majority of CGM examined were associated with cassiterite, quartz, and muscovite particle compositions and cassiterite was mainly associated with CGM, quartz, and muscovite. The liberation size was 180 µm for CGM.
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Cenci MP, Dal Berto FC, Schneider EL, Veit HM. Assessment of LED lamps components and materials for a recycling perspective. WASTE MANAGEMENT (NEW YORK, N.Y.) 2020; 107:285-293. [PMID: 32330828 DOI: 10.1016/j.wasman.2020.04.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 04/08/2020] [Accepted: 04/14/2020] [Indexed: 06/11/2023]
Abstract
LED lamps have already conquered the market of general lighting. This new product will generate a substantial flow of e-waste requiring studies for the correct management, especially concerning recycling alternatives. This study proposes a material characterization of all the tubular and bulb LED lamp components (carcass, LEDs, printed circuit board and LED module). After manual disassembling, polymers were characterized by infrared spectroscopy (FTIR), and the metals by X-ray fluorescence (XRF) and acid leaching followed by ICP-OES analysis. By the novelty of separating and characterizing the LED lamp's components, a process which has not yet been studied, the results allow for a better interpretation of the different materials distribution within the lamps which is essential to improve the efficiency of a recycling route. To exemplify, the element gallium, which has a recycling appeal from the LEDs, is present in a larger quantity in the printed circuit boards. The study also provides an analysis of the materials recycling rates and economic values, and the comparison with the concentration of natural ores. Thus, it was possible to discuss about target components and materials and the recycling alternatives for each component. LED lamps contain interesting materials, with even higher concentrations than natural ores, such as gold, silver, copper, aluminum, tin and gallium. If recycled, tubular lamps and bulb lamps would have the economic recovery of USD 2405.99 and USD 2595.02 per ton, respectively. The gold was found to be the most valuable material, and the LEDs the most valuable component of the LED lamps.
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Affiliation(s)
- Marcelo Pilotto Cenci
- LACOR, Department of Materials Engineering, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, Brazil.
| | - Frederico Christ Dal Berto
- LACOR, Department of Materials Engineering, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, Brazil.
| | - Eduardo Luis Schneider
- LACAR, Department of Materials Engineering, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, Brazil.
| | - Hugo Marcelo Veit
- LACOR, Department of Materials Engineering, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, Brazil.
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Assessment of the Possible Reuse of Extractive Waste Coming from Abandoned Mine Sites: Case Study in Gorno, Italy. SUSTAINABILITY 2020. [DOI: 10.3390/su12062471] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Supply of resources, a growing population, and environmental pollution are some of the main challenges facing the contemporary world. The rapid development of mining activities has produced huge amounts of waste. This waste, found in abandoned mine sites, provides the potential opportunity of extracting raw material. The current study, therefore, focuses on testing the validation of a shared methodology to recover extractive waste from abandoned mines, and applies this methodology to a case study in Gorno, northwest Italy. The methods focused on: (1) analyzing the impact of tailings and fine fraction of waste rock (<2 mm) on plants (Cress - Lepidium Sativum) to assess usability of both as soil additive, and (2) recovering raw materials from tailings and coarse fraction (>2 mm) of waste rock, by means of dressing methods like wet shaking table and froth flotation. The results indicated that the fine fraction of waste rock and tailings did not have detrimental effects on seed germination; however, there was marked decrease in plant growth. As for the recovery of raw materials, the coarse waste rock samples, crushed to <0.5 mm, produced a recovery of Cd, Ga, and Zn—as much as 66%, 56%, and 64%, respectively—using the wet shaking table. The same samples when crushed to 0.063–0.16 mm and used for froth flotation produced a recovery of Cd, Ga, and Zn of up to 61%, 72%, and 47%, respectively. The flotation experiment on tailings showed a recovery of Cd, Ga and Zn at pH 7 of 33%, 6% and 29% respectively. The present investigation highlights the methodologies used for extracting raw materials from extractive waste.
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Yu Z, Han H, Feng P, Zhao S, Zhou T, Kakade A, Kulshrestha S, Majeed S, Li X. Recent advances in the recovery of metals from waste through biological processes. BIORESOURCE TECHNOLOGY 2020; 297:122416. [PMID: 31786035 DOI: 10.1016/j.biortech.2019.122416] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/08/2019] [Accepted: 11/10/2019] [Indexed: 06/10/2023]
Abstract
Wastes containing critical metals are generated in various fields, such as energy and computer manufacturing. Metal-bearing wastes are considered as secondary sources of critical metals. The conventional physicochemical methods of metals recovery are energy-intensive and cause further pollution. Low-cost and eco-friendly technologies including biosorbents, bioelectrochemical systems (BESs), bioleaching, and biomineralization, have become alternatives in the recovery of critical metals. However, a relatively low recovery rate and selectivity severely hinder their large-scale applications. Researchers have expanded their focus to exploit novel strain resources and strategies to improve the biorecovery efficiency. The mechanisms and potential applicability of modified biological techniques for improving the recovery of critical metals need more attention. Hence, this review summarize and compare the strategies that have been developed for critical metals recovery, and provides useful insights for energy-efficient recovery of critical metals in future industrial applications.
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Affiliation(s)
- Zhengsheng Yu
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, No. 222 Tianshuinan Road, Lanzhou, Gansu 730000, People's Republic of China
| | - Huawen Han
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, No. 222 Tianshuinan Road, Lanzhou, Gansu 730000, People's Republic of China
| | - Pengya Feng
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, No. 222 Tianshuinan Road, Lanzhou, Gansu 730000, People's Republic of China
| | - Shuai Zhao
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, No. 222 Tianshuinan Road, Lanzhou, Gansu 730000, People's Republic of China
| | - Tuoyu Zhou
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, No. 222 Tianshuinan Road, Lanzhou, Gansu 730000, People's Republic of China
| | - Apurva Kakade
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, No. 222 Tianshuinan Road, Lanzhou, Gansu 730000, People's Republic of China
| | - Saurabh Kulshrestha
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Bajhol, Solan, Himachal Pradesh 173229, India
| | - Sabahat Majeed
- Department of Biosciences, COMSATS University, Park Road, Tarlai Kalan Islamabad, Islamabad 44000, Pakistan
| | - Xiangkai Li
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, No. 222 Tianshuinan Road, Lanzhou, Gansu 730000, People's Republic of China.
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31
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Prospective (Bio)leaching of Historical Copper Slags as an Alternative to Their Disposal. MINERALS 2019. [DOI: 10.3390/min9090542] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The aim of this study was to evaluate the feasibility of (bio)hydrometallurgical methods for metal extraction from historical copper slags. Two types of slags (amorphous slag—AS, and crystalline slag—CS) were subjected to 24 to 48 h of leaching with: (i) Sulfuric acid at 0.1, 0.5, and 1 M concentrations at 1%, 5%, and 10% pulp densities (PDs); and (ii) normality equivalent (2 N) acids (sulfuric, hydrochloric, nitric, citric, and oxalic) at pulp densities ranging from 1% to 2%. Bioleaching experiments were performed within 21 days with Acidithiobacillus thiooxidans accompanied by an abiotic control (sterile growth medium). The results demonstrated that the most efficient treatment for amorphous and crystalline slag was bioleaching at 1% PD over 21 days, which led to extraction of Cu at rates of 98.7% and 52.1% for AS and CS, respectively. Among the chemical agents, hydrochloric acid was the most efficient and enabled 30.5% of Cu to be extracted from CS (1% PD, 48 h) and 98.8% of Cu to be extracted from AS (1% PD, 24 h). Slag residues after leaching were characterized by strong alteration features demonstrated by the complete dissolution of fayalite in the case of CS and the transformation of AS to amorphous silica and secondary gypsum. Based on this study, we conclude that amorphous slag is a more suitable candidate for potential metal recovery because of its generally high susceptibility to leaching and due to the generation of residue significantly depleted in metals as the end product. The inventory of economically relevant metals showed that 1 ton of historical copper slag contains metals valued at $47 and $135 for crystalline and amorphous slag, respectively, suggesting that secondary processing of such materials can potentially be both economically and environmentally viable.
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Brewer A, Chang E, Park DM, Kou T, Li Y, Lammers LN, Jiao Y. Recovery of Rare Earth Elements from Geothermal Fluids through Bacterial Cell Surface Adsorption. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:7714-7723. [PMID: 31198021 DOI: 10.1021/acs.est.9b00301] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The increasing demand for rare earth elements (REEs) in the modern economy motivates the development of novel strategies for cost-effective REE recovery from nontraditional feedstocks. We previously engineered E. coli to express lanthanide binding tags on the cell surface, which increased the REE biosorption capacity and selectivity. Here we examined how REE adsorption by the engineered E. coli is affected by various geochemical factors relevant to geothermal fluids, including total dissolved solids (TDS), temperature, pH, and the presence of specific competing metals. REE biosorption is robust to TDS, with high REE recovery efficiency and selectivity observed with TDS as high as 165,000 ppm. Among several metals tested, U, Al, and Pb were found to be the most competitive, causing >25% reduction in REE biosorption when present at concentrations ∼3- to 11-fold higher than the REEs. Optimal REE biosorption occurred between pH 5-6, and sorption capacity was reduced by ∼65% at pH 2. REE recovery efficiency and selectivity increased as a function of temperature up to ∼70 °C due to the thermodynamic properties of metal complexation on the bacterial surface. Together, these data define the optimal and boundary conditions for biosorption and demonstrate its potential utility for selective REE recovery from geofluids.
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Affiliation(s)
- Aaron Brewer
- Physical and Life Science Directorate , Lawrence Livermore National Laboratory , Livermore , California 94550 , United States
- Department of Earth and Space Sciences , University of Washington , Seattle , Washington 98185 , United States
| | - Elliot Chang
- Department of Environmental Science, Policy, and Management , University of California Berkeley , Berkeley , California 94270 , United States
| | - Dan M Park
- Physical and Life Science Directorate , Lawrence Livermore National Laboratory , Livermore , California 94550 , United States
| | - Tianyi Kou
- Chemistry and Biochemistry Department , University of California Santa Cruz , Santa Cruz , California 95064 , United States
| | - Yat Li
- Chemistry and Biochemistry Department , University of California Santa Cruz , Santa Cruz , California 95064 , United States
| | - Laura N Lammers
- Department of Environmental Science, Policy, and Management , University of California Berkeley , Berkeley , California 94270 , United States
| | - Yongqin Jiao
- Physical and Life Science Directorate , Lawrence Livermore National Laboratory , Livermore , California 94550 , United States
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33
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Recovery of Platinum from Spent Petroleum Catalysts: Optimization Using Response Surface Methodology. METALS 2019. [DOI: 10.3390/met9030354] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The global yield of platinum (Pt) recovery from spent catalysts is about 30%. Pt recovery from spent catalysts is one of the most significant methods to reduce its supply risk and meet future demand. The current hydro-leaching processes always involve extremely high acidity (c(H+) > 6.0 mol/L), causing serious environmental issues and consuming large amounts of reagents. This paper studied the recovery of Pt from spent petroleum catalysts in a mild leaching solution (c(H+) = 1.0−2.0 mol/L). The HCl and NaCl were used as leaching agents, while H2O2 was used for oxidation of Pt. The leaching factors, including solid/liquid ratio (S/L), acidity, leaching temperature, and H2O2 usage, were studied. The leaching efficiency of Pt was 95.7% under the conditions of S/L of 1:5 g/mL, HCl of 1.0 mol/L, NaCl of 5.0 mol/L, 10% H2O2/spent catalysts of 0.6 mL/g, and temperature of 90 °C for 2 h. The leaching kinetic of platinum fits best to the Avrami equation. The apparent activation energy for leaching platinum was 114.9 kJ/mol. Furthermore, the effects of the operating variables were assessed and optimized by employing a response surface methodology based on Box-Behnken Design. The result shows that HCl concentration had the greatest impact on the leaching efficiency as compared to the H2O2 concentration and S/L ratio. Pt leaching efficiency was increased to 98.1% at the optimized conditions of HCl of 1.45 mol/L, NaCl of 4.55 mol/L, 10% H2O2/spent catalysts of 0.66 mL/g, and S/L of 1:4.85. The purity of Pt is over 90% by the reduction of iron powder.
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Simon-Pascual A, Sierra-Alvarez R, Field JA. Platinum(II) reduction to platinum nanoparticles in anaerobic sludge. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY (OXFORD, OXFORDSHIRE : 1986) 2019; 94:468-474. [PMID: 31105372 PMCID: PMC6521854 DOI: 10.1002/jctb.5791] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 08/01/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND To help mitigate future problems in the supply of platinum group metals (PGM) due to their scarcity and high demand, new recovery processes must be developed. Microbial processes are a great alternative for the recovery of PGM from waste since they are clean and environmentally friendly techniques. This research studied the microbial reduction of Pt(II) using an anaerobic granular sludge under different physiological conditions. RESULTS The anaerobic granular sludge was able to reduce Pt(II) to Pt(0) nanoparticles that were deposited intracellularly as well as extracellularly as confirmed by X-ray diffraction (XRD) and transmission electron microscopy (TEM) analyses. Hydrogen (H2) and formate supported the chemical reduction of Pt(II) while ethanol supported the biologically catalyzed reduction of Pt(II). Increasing initial concentrations of Pt(II), ethanol or biomass were each shown to increase the Pt(II) reduction rates. CONCLUSIONS This study reported for the first time the reduction of Pt(II) using anaerobic granular sludge and provided insights that could help develop biorecovery techniques to alleviate future problems in the supply of PGMs.
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Affiliation(s)
- Alvaro Simon-Pascual
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 James E. Rogers Way, Tucson, AZ 85721, USA
| | - Reyes Sierra-Alvarez
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 James E. Rogers Way, Tucson, AZ 85721, USA
| | - Jim A. Field
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 James E. Rogers Way, Tucson, AZ 85721, USA
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Ali MM, Provoost A, Maertens L, Leys N, Monsieurs P, Charlier D, Van Houdt R. Genomic and Transcriptomic Changes that Mediate Increased Platinum Resistance in Cupriavidus metallidurans. Genes (Basel) 2019; 10:E63. [PMID: 30669395 PMCID: PMC6357080 DOI: 10.3390/genes10010063] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 01/11/2019] [Accepted: 01/15/2019] [Indexed: 12/15/2022] Open
Abstract
The extensive anthropogenic use of platinum, a rare element found in low natural abundance in the Earth's continental crust and one of the critical raw materials in the EU innovation partnership framework, has resulted in increased concentrations in surface environments. To minimize its spread and increase its recovery from the environment, biological recovery via different microbial systems is explored. In contrast, studies focusing on the effects of prolonged exposure to Pt are limited. In this study, we used the metal-resistant Cupriavidus metallidurans NA4 strain to explore the adaptation of environmental bacteria to platinum exposure. We used a combined Nanopore⁻Illumina sequencing approach to fully resolve all six replicons of the C. metallidurans NA4 genome, and compared them with the C. metallidurans CH34 genome, revealing an important role in metal resistance for its chromid rather than its megaplasmids. In addition, we identified the genomic and transcriptomic changes in a laboratory-evolved strain, displaying resistance to 160 µM Pt4+. The latter carried 20 mutations, including a large 69.9 kb deletion in its plasmid pNA4_D (89.6 kb in size), and 226 differentially-expressed genes compared to its parental strain. Many membrane-related processes were affected, including up-regulation of cytochrome c and a lytic transglycosylase, down-regulation of flagellar and pili-related genes, and loss of the pNA4_D conjugative machinery, pointing towards a significant role in the adaptation to platinum.
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Affiliation(s)
- Md Muntasir Ali
- Microbiology Unit, Belgian Nuclear Research Centre (SCK•CEN), 2400 Mol, Belgium.
- Research Group of Microbiology, Department of Bioengineering Sciences, Vrije Universiteit Brussel, 1050 Brussel, Belgium.
| | - Ann Provoost
- Microbiology Unit, Belgian Nuclear Research Centre (SCK•CEN), 2400 Mol, Belgium.
| | - Laurens Maertens
- Microbiology Unit, Belgian Nuclear Research Centre (SCK•CEN), 2400 Mol, Belgium.
- Research Unit in Biology of Microorganisms (URBM), Faculty of Sciences, UNamur, 5000 Namur, Belgium.
| | - Natalie Leys
- Microbiology Unit, Belgian Nuclear Research Centre (SCK•CEN), 2400 Mol, Belgium.
| | - Pieter Monsieurs
- Microbiology Unit, Belgian Nuclear Research Centre (SCK•CEN), 2400 Mol, Belgium.
| | - Daniel Charlier
- Research Group of Microbiology, Department of Bioengineering Sciences, Vrije Universiteit Brussel, 1050 Brussel, Belgium.
| | - Rob Van Houdt
- Microbiology Unit, Belgian Nuclear Research Centre (SCK•CEN), 2400 Mol, Belgium.
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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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Igiri BE, Okoduwa SIR, Idoko GO, Akabuogu EP, Adeyi AO, Ejiogu IK. Toxicity and Bioremediation of Heavy Metals Contaminated Ecosystem from Tannery Wastewater: A Review. J Toxicol 2018; 2018:2568038. [PMID: 30363677 PMCID: PMC6180975 DOI: 10.1155/2018/2568038] [Citation(s) in RCA: 250] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 07/17/2018] [Accepted: 08/16/2018] [Indexed: 11/18/2022] Open
Abstract
The discharge of untreated tannery wastewater containing biotoxic substances of heavy metals in the ecosystem is one of the most important environmental and health challenges in our society. Hence, there is a growing need for the development of novel, efficient, eco-friendly, and cost-effective approach for the remediation of inorganic metals (Cr, Hg, Cd, and Pb) released into the environment and to safeguard the ecosystem. In this regard, recent advances in microbes-base heavy metal have propelled bioremediation as a prospective alternative to conventional techniques. Heavy metals are nonbiodegradable and could be toxic to microbes. Several microorganisms have evolved to develop detoxification mechanisms to counter the toxic effects of these inorganic metals. This present review offers a critical evaluation of bioremediation capacity of microorganisms, especially in the context of environmental protection. Furthermore, this article discussed the biosorption capacity with respect to the use of bacteria, fungi, biofilm, algae, genetically engineered microbes, and immobilized microbial cell for the removal of heavy metals. The use of biofilm has showed synergetic effects with many fold increase in the removal of heavy metals as sustainable environmental technology in the near future.
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Affiliation(s)
- Bernard E. Igiri
- Chemical and Biochemical Remediation Unit, Directorate of Research and Development, Nigerian Institute of Leather and Science Technology, Zaria 810001, Kaduna State, Nigeria
| | - Stanley I. R. Okoduwa
- Chemical and Biochemical Remediation Unit, Directorate of Research and Development, Nigerian Institute of Leather and Science Technology, Zaria 810001, Kaduna State, Nigeria
- Infohealth Awareness Department, SIRONigeria Global Limited, Abuja 900001, FCT, Nigeria
| | - Grace O. Idoko
- Chemical and Biochemical Remediation Unit, Directorate of Research and Development, Nigerian Institute of Leather and Science Technology, Zaria 810001, Kaduna State, Nigeria
| | - Ebere P. Akabuogu
- Chemical and Biochemical Remediation Unit, Directorate of Research and Development, Nigerian Institute of Leather and Science Technology, Zaria 810001, Kaduna State, Nigeria
| | - Abraham O. Adeyi
- Chemical and Biochemical Remediation Unit, Directorate of Research and Development, Nigerian Institute of Leather and Science Technology, Zaria 810001, Kaduna State, Nigeria
| | - Ibe K. Ejiogu
- Chemical and Biochemical Remediation Unit, Directorate of Research and Development, Nigerian Institute of Leather and Science Technology, Zaria 810001, Kaduna State, Nigeria
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Ujaczki É, Feigl V, Molnár M, Cusack P, Curtin T, Courtney R, O'Donoghue L, Davris P, Hugi C, Evangelou MWH, Balomenos E, Lenz M. Re-using bauxite residues: benefits beyond (critical raw) material recovery. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY (OXFORD, OXFORDSHIRE : 1986) 2018; 93:2498-2510. [PMID: 30158737 PMCID: PMC6100093 DOI: 10.1002/jctb.5687] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 04/30/2018] [Accepted: 05/01/2018] [Indexed: 05/20/2023]
Abstract
Since the world economy has been confronted with an increasing risk of supply shortages of critical raw materials (CRMs), there has been a major interest in identifying alternative secondary sources of CRMs. Bauxite residues from alumina production are available at a multi-million tonnes scale worldwide. So far, attempts have been made to find alternative re-use applications for bauxite residues, for instance in cement / pig iron production. However, bauxite residues also constitute an untapped secondary source of CRMs. Depending on their geological origin and processing protocol, bauxite residues can contain considerable amounts of valuable elements. The obvious primary consideration for CRM recovery from such residues is the economic value of the materials contained. However, there are further benefits from re-use of bauxite residues in general, and from CRM recovery in particular. These go beyond monetary values (e.g. reduced investment / operational costs resulting from savings in disposal). For instance, benefits for the environment and health can be achieved by abatement of tailing storage as well as by reduction of emissions from conventional primary mining. Whereas certain tools (e.g. life-cycle analysis) can be used to quantify the latter, other benefits (in particular sustained social and technological development) are harder to quantify. This review evaluates strategies of bauxite residue re-use / recycling and identifies associated benefits beyond elemental recovery. Furthermore, methodologies to translate risks and benefits into quantifiable data are discussed. Ultimately, such quantitative data are a prerequisite for facilitating decision-making regarding bauxite residue re-use / recycling and a stepping stone towards developing a zero-waste alumina production process. © 2018 The Authors. Journal of Chemical Technology & Biotechnology published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Éva Ujaczki
- School of EngineeringUniversity of LimerickLimerickIreland
- The Bernal InstituteUniversity of LimerickLimerickIreland
- Department of Applied Biotechnology and Food Science, Faculty of Chemical Technology and BiotechnologyBudapest University of Technology and EconomicsBudapestHungary
| | - Viktória Feigl
- Department of Applied Biotechnology and Food Science, Faculty of Chemical Technology and BiotechnologyBudapest University of Technology and EconomicsBudapestHungary
| | - Mónika Molnár
- Department of Applied Biotechnology and Food Science, Faculty of Chemical Technology and BiotechnologyBudapest University of Technology and EconomicsBudapestHungary
| | - Patricia Cusack
- School of EngineeringUniversity of LimerickLimerickIreland
- The Bernal InstituteUniversity of LimerickLimerickIreland
- Department of Biological SciencesUniversity of LimerickLimerickIreland
| | - Teresa Curtin
- The Bernal InstituteUniversity of LimerickLimerickIreland
- Chemical Sciences DepartmentUniversity of LimerickLimerickIreland
| | - Ronan Courtney
- The Bernal InstituteUniversity of LimerickLimerickIreland
- Department of Biological SciencesUniversity of LimerickLimerickIreland
| | - Lisa O'Donoghue
- School of EngineeringUniversity of LimerickLimerickIreland
- The Bernal InstituteUniversity of LimerickLimerickIreland
| | - Panagiotis Davris
- Laboratory of MetallurgyNational Technical University of AthensAthensGreece
| | - Christoph Hugi
- Institute for EcopreneurshipUniversity of Applied Sciences and Arts Northwestern Switzerland, School of Life SciencesMuttenzSwitzerland
| | | | | | - Markus Lenz
- Institute of Terrestrial EcosystemsETH ZurichZurichSwitzerland
- Sub‐Department of Environmental TechnologyWageningen UniversityWageningenThe Netherlands
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Simon-Pascual A, Sierra-Alvarez R, Ramos-Ruiz A, Field JA. Reduction of platinum (IV) ions to elemental platinum nanoparticles by anaerobic sludge. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY (OXFORD, OXFORDSHIRE : 1986) 2018; 93:1611-1617. [PMID: 30140114 PMCID: PMC6101971 DOI: 10.1002/jctb.5530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 11/25/2017] [Indexed: 06/08/2023]
Abstract
BACKGROUND The future supply of platinum group metals (PGM) is at risk because of their scarcity combined with a high demand. Thus recovery of platinum (Pt) from waste is an option worthy of study to help alleviate future shortages. This research explored the microbial reduction of platinum (Pt). The ability of anaerobic granular sludge to reduce Pt(IV) ions under different physiological conditions was studied. RESULTS X-Ray diffraction (XRD) and transmission electron microscope (TEM) analyses demonstrated the capacity of the microbial mixed culture to reduce Pt(IV) to Pt(0) nanoparticles, which were deposited on the cell-surface and in the periplasmic space. Ethanol supported the biologically catalyzed Pt(IV) reduction, meanwhile other electron donors; hydrogen (H2) and formate, promoted the chemical reduction of Pt(IV) with some additional biological stimulation in the case of H2. A hypothesis is proposed in which H2 formed from the acetogenesis of ethanol is implicated in subsequent abiotic reduction of Pt(IV) indicating an integrated bio-chemical process. Endogenous controls also resulted in slow Pt(IV) removal from aqueous solution. Selected redox mediators, exemplified by riboflavin, enhanced the Pt(IV) reduction rate. CONCLUSION This study reported for the first time the ability of an anaerobic granular sludge to reduce Pt(IV) to elemental Pt(0) nanoparticles.
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Affiliation(s)
- Alvaro Simon-Pascual
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 James E. Rogers Way, Tucson, AZ 85721, USA
| | - Reyes Sierra-Alvarez
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 James E. Rogers Way, Tucson, AZ 85721, USA
| | - Adriana Ramos-Ruiz
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 James E. Rogers Way, Tucson, AZ 85721, USA
| | - Jim A. Field
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 James E. Rogers Way, Tucson, AZ 85721, USA
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Sethurajan M, van Hullebusch ED, Nancharaiah YV. Biotechnology in the management and resource recovery from metal bearing solid wastes: Recent advances. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2018; 211:138-153. [PMID: 29408062 DOI: 10.1016/j.jenvman.2018.01.035] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 01/07/2018] [Accepted: 01/10/2018] [Indexed: 06/07/2023]
Abstract
Solid metalliferous wastes (sludges, dusts, residues, slags, red mud and tailing wastes) originating from ferrous and non-ferrous metallurgical industries are a serious environmental threat, when waste management practices are not properly followed. Metalliferous wastes generated by metallurgical industries are promising resources for biotechnological extraction of metals. These wastes still contain significant amounts of valuable non-ferrous metals, sometimes precious metals and also rare earth elements. Elemental composition and mineralogy of the metallurgical wastes is dependent on the nature of mining site and composition of primary ores mined. Most of the metalliferous wastes are oxidized in nature and contain less/no reduced sulfidic minerals (which can be quite well processed by biohydrometallurgy). However, application of biohydrometallurgy is more challenging while extracting metals from metallurgical wastes that contain oxide minerals. In this review, origin, elemental composition and mineralogy of the metallurgical solid wastes are presented. Various bio-hydrometallurgical processes that can be considered for the extraction of non-ferrous metals from metal bearing solid wastes are reviewed.
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Affiliation(s)
- Manivannan Sethurajan
- Biofouling and Biofilm Processes Section, Water and Steam Chemistry Division, Bhabha Atomic Research Centre, Kalpakkam 603102, India; Department of Environmental Engineering and Water Technology, IHE Delft Institute for Water Education, Westvest 7, 2611 AX Delft, The Netherlands.
| | - Eric D van Hullebusch
- Université Paris-Est, Laboratoire Géomatériaux et Environnement (LGE), EA 4508, UPEM, 77454 Marne-la-Vallée, France; Department of Environmental Engineering and Water Technology, IHE Delft Institute for Water Education, Westvest 7, 2611 AX Delft, The Netherlands
| | - Yarlagadda V Nancharaiah
- Biofouling and Biofilm Processes Section, Water and Steam Chemistry Division, Bhabha Atomic Research Centre, Kalpakkam 603102, India; Homi Bhabha National Institute, Anushakti Nagar Complex, Mumbai, 400 094, India
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Jacinto J, Henriques B, Duarte AC, Vale C, Pereira E. Removal and recovery of Critical Rare Elements from contaminated waters by living Gracilaria gracilis. JOURNAL OF HAZARDOUS MATERIALS 2018; 344:531-538. [PMID: 29100132 DOI: 10.1016/j.jhazmat.2017.10.054] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 10/06/2017] [Accepted: 10/25/2017] [Indexed: 06/07/2023]
Abstract
The experiments performed in this work proved the ability of Gracilaria gracilis to concentrate and recover Critical Rare Elements (CRE) from contaminated waters. The importance of recycling these elements is related to their very limited sources in Nature and progressive use in technologies. Moreover, their mining exploitation has negative environmental impact, and recent studies point them as new emerging pollutants. To the best of our knowledge, this is the first report on the application of living macroalgae for the removal and recovery of CRE. G. gracilis (2.5gL-1, fresh weight) was exposed to mono- and multi-element saline solutions of 500μgL-1 of Y, Ce, Nd, Eu and La. Removal was up to 70% in 48h, with bioaccumulation following Elovich kinetic model. In multi-element solutions, selectivity was not observed although removal of lanthanides improved comparatively to single-element solutions. No mortality or adverse effect on growth was registered. The subsequent macroalgae digestion allowed collecting virtually 100% of all elements in a 300-fold more concentrated solution. The overall results suggest the application of living macroalgae as a simple and effective alternative technology for removing and recovering CRE from wastewaters, contributing to an improvement of water quality and CRE recycling.
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Affiliation(s)
- Jéssica Jacinto
- CESAM & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Bruno Henriques
- CESAM & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, Rua dos Bragas 289, 4050-123 Porto, Portugal.
| | - A C Duarte
- CESAM & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Carlos Vale
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, Rua dos Bragas 289, 4050-123 Porto, Portugal
| | - E Pereira
- CESAM & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
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A scaled-up continuous process for biooxidation as pre-treatment of refractory pyrite-arsenopyrite gold-bearing concentrates. Biochem Eng J 2017. [DOI: 10.1016/j.bej.2017.10.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Park DM, Brewer A, Reed DW, Lammers LN, Jiao Y. Recovery of Rare Earth Elements from Low-Grade Feedstock Leachates Using Engineered Bacteria. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:13471-13480. [PMID: 28944666 DOI: 10.1021/acs.est.7b02414] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The use of biomass for adsorption of rare earth elements (REEs) has been the subject of many recent investigations. However, REE adsorption by bioengineered systems has been scarcely documented, and rarely tested with complex natural feedstocks. Herein, we engineered E. coli cells for enhanced cell surface-mediated extraction of REEs by functionalizing the OmpA protein with 16 copies of a lanthanide binding tag (LBT). Through biosorption experiments conducted with leachates from metal-mine tailings and rare earth deposits, we show that functionalization of the cell surface with LBT yielded several notable advantages over the nonengineered control. First, the efficiency of REE adsorption from all leachates was enhanced as indicated by a 2-10-fold increase in distribution coefficients for individual REEs. Second, the relative affinity of the cell surface for REEs was increased over all non-REEs except Cu. Third, LBT-display systematically enhanced the affinity of the cell surface for REEs as a function of decreasing atomic radius, providing a means to separate high value heavy REEs from more common light REEs. Together, our results demonstrate that REE biosorption of high efficiency and selectivity from low-grade feedstocks can be achieved by engineering the native bacterial surface.
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Affiliation(s)
- Dan M Park
- Physical and Life Science Directorate, Lawrence Livermore National Laboratory , Livermore, California 94550, United States
| | - Aaron Brewer
- Physical and Life Science Directorate, Lawrence Livermore National Laboratory , Livermore, California 94550, United States
- Univiersty of Washington , Earth and Space Sciences, Seattle, Washington 98195, United States
| | - David W Reed
- Department of Biological and Chemical Processing, Idaho National Laboratory , Idaho Falls, Idaho 83415, United States
| | - Laura N Lammers
- Department of Environmental Science, Policy, and Management, University of California , Berkeley, California 94720, United States
| | - Yongqin Jiao
- Physical and Life Science Directorate, Lawrence Livermore National Laboratory , Livermore, California 94550, United States
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Verstraete W, De Vrieze J. Microbial technology with major potentials for the urgent environmental needs of the next decades. Microb Biotechnol 2017; 10:988-994. [PMID: 28771931 PMCID: PMC5609260 DOI: 10.1111/1751-7915.12779] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 06/20/2017] [Indexed: 01/20/2023] Open
Abstract
Several needs in the context of the water-energy-food nexus will become more prominent in the next decades. It is crucial to delineate these challenges and to find opportunities for innovative microbial technologies in the framework of sustainability and climate change. Here, we focus on four key issues, that is the imbalance in the nitrogen cycle, the diffuse emission of methane, the necessity for carbon capture and the deterioration of freshwater reserves. We suggest a set of microbial technologies to deal with each of these issues, such as (i) the production of microbial protein as food and feed, (ii) the control of methanogenic archaea and better use of methanotrophic consortia, (iii) the avoidance of nitrification and (iv) the upgrading of CO2 to microbial bioproducts. The central message is that instead of using crude methods to exploit microorganisms for degradations, the potentials of the microbiomes should be used to create processes and products that fit the demands of the cyclic market economy.
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Affiliation(s)
- Willy Verstraete
- Center for Microbial Ecology and Technology (CMET)Ghent UniversityCoupure Links 653B‐9000GentBelgium
| | - Jo De Vrieze
- Center for Microbial Ecology and Technology (CMET)Ghent UniversityCoupure Links 653B‐9000GentBelgium
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Bio-Reclamation of Strategic and Energy Critical Metals from Secondary Resources. METALS 2017. [DOI: 10.3390/met7060207] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Maes S, Zhuang WQ, Rabaey K, Alvarez-Cohen L, Hennebel T. Concomitant Leaching and Electrochemical Extraction of Rare Earth Elements from Monazite. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:1654-1661. [PMID: 28056169 DOI: 10.1021/acs.est.6b03675] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Rare earth elements (REEs) have become increasingly important in modern day technologies. Unfortunately, their recycling is currently limited, and the conventional technologies for their extraction and purification are exceedingly energy and chemical intensive. New sustainable technologies for REE extraction from both primary and secondary resources would be extremely beneficial. This research investigated a two-stage recovery strategy focused on the recovery of neodymium (Nd) and lanthanum (La) from monazite ore that combines microbially based leaching (using citric acid and spent fungal supernatant) with electrochemical extraction. Pretreating the phosphate-based monazite rock (via roasting) dramatically increased the microbial REE leaching efficiency. Batch experiments demonstrated the effective and continued leaching of REEs by recycled citric acid, with up to 392 mg of Nd L-1 and 281 mg of La L-1 leached during seven consecutive 24 h cycles. Neodymium was further extracted in the catholyte of a three-compartment electrochemical system, with up to 880 mg of Nd L-1 achieved within 4 days (at 40 A m-2). Meanwhile, the radioactive element thorium and counterions phosphate and citrate were separated effectively from the REEs in the anolyte, favoring REE extraction and allowing sustainable reuse of the leaching agent. This study shows a promising technology that is suitable for primary ores and can further be optimized for secondary resources.
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Affiliation(s)
- Synthia Maes
- Center for Microbial Ecology and Technology (CMET), Ghent University , Coupure Links 653, B-9000 Gent, Belgium
| | - Wei-Qin Zhuang
- Department of Civil and Environmental Engineering, The University of Auckland , Auckland 1142, New Zealand
- Department of Civil and Environmental Engineering, University of California , Berkeley, California 94720-1710, United States
| | - Korneel Rabaey
- Center for Microbial Ecology and Technology (CMET), Ghent University , Coupure Links 653, B-9000 Gent, Belgium
| | - Lisa Alvarez-Cohen
- Department of Civil and Environmental Engineering, University of California , Berkeley, California 94720-1710, United States
- Earth and Environmental Sciences Division, Lawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, California 94720, United States
| | - Tom Hennebel
- Center for Microbial Ecology and Technology (CMET), Ghent University , Coupure Links 653, B-9000 Gent, Belgium
- Department of Civil and Environmental Engineering, University of California , Berkeley, California 94720-1710, United States
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Di Piazza S, Cecchi G, Cardinale AM, Carbone C, Mariotti MG, Giovine M, Zotti M. Penicillium expansum Link strain for a biometallurgical method to recover REEs from WEEE. WASTE MANAGEMENT (NEW YORK, N.Y.) 2017; 60:596-600. [PMID: 27520390 DOI: 10.1016/j.wasman.2016.07.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 07/18/2016] [Accepted: 07/23/2016] [Indexed: 06/06/2023]
Abstract
Due to the wide range of applications in high-tech solutions, Rare Earth Elements (REEs) have become object of great interest. In the last years several studies regarding technologies for REE extraction from secondary resources have been carried out. In particular biotechnologies, which use tolerant and accumulator microorganisms to recover and recycle precious metals, are replacing traditional methods. This paper describes an original biometallurgical method to recover REEs from waste electrical and electronic equipment (WEEE) by using a strain of Penicillium expansum Link isolated from an ecotoxic metal contaminated site. The resulting product is a high concentrated solution of Lanthanum (up to 390ppm) and Terbium (up to 1520ppm) obtained from WEEE. Under this perspective, the proposed protocol can be considered a method of recycling exploiting biometallurgy. Finally, the process is the subject of the Italian patent application n. 102015000041404 submitted by the University of Genoa.
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Affiliation(s)
- Simone Di Piazza
- Laboratorio di Micologia - Dipartimento di Scienze della Terra dell'Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy
| | - Grazia Cecchi
- Laboratorio di Micologia - Dipartimento di Scienze della Terra dell'Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy.
| | - Anna Maria Cardinale
- Dipartimento di Chimica e Chimica Industriale, Università di Genova, Via Dodecaneso 31, 16146 Genova, Italy
| | - Cristina Carbone
- Dipartimento di Scienze della Terra dell'Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy
| | - Mauro Giorgio Mariotti
- Laboratorio di Micologia - Dipartimento di Scienze della Terra dell'Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy; Dipartimento di Chimica e Chimica Industriale, Università di Genova, Via Dodecaneso 31, 16146 Genova, Italy; Dipartimento di Scienze della Terra dell'Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy
| | - Marco Giovine
- Dipartimento di Scienze della Terra dell'Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy
| | - Mirca Zotti
- Laboratorio di Micologia - Dipartimento di Scienze della Terra dell'Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy
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Puyol D, Batstone DJ, Hülsen T, Astals S, Peces M, Krömer JO. Resource Recovery from Wastewater by Biological Technologies: Opportunities, Challenges, and Prospects. Front Microbiol 2017; 7:2106. [PMID: 28111567 PMCID: PMC5216025 DOI: 10.3389/fmicb.2016.02106] [Citation(s) in RCA: 158] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 12/13/2016] [Indexed: 01/07/2023] Open
Abstract
Limits in resource availability are driving a change in current societal production systems, changing the focus from residues treatment, such as wastewater treatment, toward resource recovery. Biotechnological processes offer an economic and versatile way to concentrate and transform resources from waste/wastewater into valuable products, which is a prerequisite for the technological development of a cradle-to-cradle bio-based economy. This review identifies emerging technologies that enable resource recovery across the wastewater treatment cycle. As such, bioenergy in the form of biohydrogen (by photo and dark fermentation processes) and biogas (during anaerobic digestion processes) have been classic targets, whereby, direct transformation of lipidic biomass into biodiesel also gained attention. This concept is similar to previous biofuel concepts, but more sustainable, as third generation biofuels and other resources can be produced from waste biomass. The production of high value biopolymers (e.g., for bioplastics manufacturing) from organic acids, hydrogen, and methane is another option for carbon recovery. The recovery of carbon and nutrients can be achieved by organic fertilizer production, or single cell protein generation (depending on the source) which may be utilized as feed, feed additives, next generation fertilizers, or even as probiotics. Additionlly, chemical oxidation-reduction and bioelectrochemical systems can recover inorganics or synthesize organic products beyond the natural microbial metabolism. Anticipating the next generation of wastewater treatment plants driven by biological recovery technologies, this review is focused on the generation and re-synthesis of energetic resources and key resources to be recycled as raw materials in a cradle-to-cradle economy concept.
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Affiliation(s)
- Daniel Puyol
- Group of Chemical and Environmental Engineering, School of Experimental Sciences and Technology, King Juan Carlos UniversityMostoles, Spain
| | - Damien J. Batstone
- Advanced Water Management Centre, University of Queensland, BrisbaneQLD, Australia
- CRC for Water Sensitive Cities, ClaytonVIC, Australia
| | - Tim Hülsen
- Advanced Water Management Centre, University of Queensland, BrisbaneQLD, Australia
- CRC for Water Sensitive Cities, ClaytonVIC, Australia
| | - Sergi Astals
- Advanced Water Management Centre, University of Queensland, BrisbaneQLD, Australia
| | - Miriam Peces
- Centre for Solid Waste Bioprocessing, School of Civil Engineering, University of Queensland, BrisbaneQLD, Australia
| | - Jens O. Krömer
- Advanced Water Management Centre, University of Queensland, BrisbaneQLD, Australia
- Centre for Microbial Electrochemical Systems, University of Queensland, BrisbaneQLD, Australia
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Maes S, Props R, Fitts JP, De Smet R, Vanhaecke F, Boon N, Hennebel T. Biological Recovery of Platinum Complexes from Diluted Aqueous Streams by Axenic Cultures. PLoS One 2017; 12:e0169093. [PMID: 28046131 PMCID: PMC5207411 DOI: 10.1371/journal.pone.0169093] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 12/12/2016] [Indexed: 11/21/2022] Open
Abstract
The widespread use of platinum in high-tech and catalytic applications has led to the production of diverse Pt loaded wastewaters. Effective recovery strategies are needed for the treatment of low concentrated waste streams to prevent pollution and to stimulate recovery of this precious resource. The biological recovery of five common environmental Pt-complexes was studied under acidic conditions; the chloro-complexes PtCl42- and PtCl62-, the amine-complex Pt(NH3)4Cl2 and the pharmaceutical complexes cisplatin and carboplatin. Five bacterial species were screened on their platinum recovery potential; the Gram-negative species Shewanella oneidensis MR-1, Cupriavidus metallidurans CH34, Geobacter metallireducens, and Pseudomonas stutzeri, and the Gram-positive species Bacillus toyonensis. Overall, PtCl42- and PtCl62- were completely recovered by all bacterial species while only S. oneidensis and C. metallidurans were able to recover cisplatin quantitatively (99%), all in the presence of H2 as electron donor at pH 2. Carboplatin was only partly recovered (max. 25% at pH 7), whereas no recovery was observed in the case of the Pt-tetraamine complex. Transmission electron microscopy (TEM) revealed the presence of both intra- and extracellular platinum particles. Flow cytometry based microbial viability assessment demonstrated the decrease in number of intact bacterial cells during platinum reduction and indicated C. metallidurans to be the most resistant species. This study showed the effective and complete biological recovery of three common Pt-complexes, and estimated the fate and transport of the Pt-complexes in wastewater treatment plants and the natural environment.
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Affiliation(s)
- Synthia Maes
- Center for Microbial Ecology and Technology (CMET), Department of Biochemical and Microbial Technology, Ghent University, Ghent, Belgium
| | - Ruben Props
- Center for Microbial Ecology and Technology (CMET), Department of Biochemical and Microbial Technology, Ghent University, Ghent, Belgium
| | - Jeffrey P. Fitts
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NY, United States of America
| | - Rebecca De Smet
- Department of Medical and Forensic Pathology, Ghent University, Ghent, Belgium
| | - Frank Vanhaecke
- Department of Analytical Chemistry, Ghent University, Ghent, Belgium
| | - Nico Boon
- Center for Microbial Ecology and Technology (CMET), Department of Biochemical and Microbial Technology, Ghent University, Ghent, Belgium
| | - Tom Hennebel
- Center for Microbial Ecology and Technology (CMET), Department of Biochemical and Microbial Technology, Ghent University, Ghent, Belgium
- * E-mail:
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