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Liu X, Chen M, Wang D, Du F, Xu N, Sun W, Han Z. Cr(VI) removal during cotransport of nano-iron-particles combined with iron sulfides in groundwater: Effects of D. vulgaris and S. putrefaciens. JOURNAL OF HAZARDOUS MATERIALS 2024; 472:134583. [PMID: 38749250 DOI: 10.1016/j.jhazmat.2024.134583] [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: 02/07/2024] [Revised: 05/06/2024] [Accepted: 05/08/2024] [Indexed: 05/30/2024]
Abstract
Iron-based materials such as nanoscale zerovalent iron (nZVI) are effective candidates to in situ remediate hexachromium (Cr(VI))-contaminated groundwater. The anaerobic bacteria could influence the remediation efficiency of Cr(VI) during its cotransport with nZVI in porous media. To address this issue, the present study investigated the adsorption and reduction of Cr(VI) during its cotransport with green tea (GT) modified nZVI (nZVI@GT) and iron sulfides (FeS and FeS2) in the presence of D. vulgaris or S. putrefaciens in water-saturated sand columns. Experimental results showed that the nZVI@GT preferred to heteroaggregate with FeS2 rather than FeS, forming nZVI@GT-FeS2 heteroaggregates. Although the presence of D. vulgaris further induced nZVI@GT-FeS2 heteroaggregates to form larger clusters, it pronouncedly improved the dissolution of FeS and FeS2 for more Cr(VI) reduction associated with lower Cr(VI) flux through sand. In contrast, S. putrefaciens could promote the dispersion of the heteroaggregates of nZVI@GT-FeS2 and the homoaggregates of nZVI@GT or FeS by adsorption on the extracellular polymeric substances, leading to the improved transport of Fe-based materials for a much higher Cr(VI) immobilization in sand media. Overall, our study provides the essential perspectives into a chem-biological remediation technique through the synergistic removal of Cr(VI) by nZVI@GT and FeS in contaminated groundwater. ENVIRONMENTAL IMPLICATION: The green-synthesized nano-zero-valent iron particles (nZVI@GT) using plant extracts (or iron sulfides) have been used for in situ remediation of Cr(VI) contaminated groundwater. Nevertheless, the removal of Cr(VI) (including Cr(VI) adsorption and Cr(III) generation) could be influenced by the anaerobic bacteria governing the transport of engineered nanoparticles in groundwater. This study aims to reveal the inherent mechanisms of D. vulgaris and S. putrefaciens governing the cotransport of nZVI@GT combined with FeS (or FeS2) to further influence the Cr(VI) removal in simulated complex groundwater media. Our findings provides a chemical and biological synergistic remediation strategy for nZVI@GT application in Cr(VI)-contaminated groundwater.
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Affiliation(s)
- Xia Liu
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Ming Chen
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Dengjun Wang
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL 36849, USA
| | - Feng Du
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Nan Xu
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China.
| | - Wu Sun
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Zhaoxiang Han
- School of Environmental and Chemical Engineering, Jiangsu Ocean University, Lianyungang, Jiangsu 222005, China
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Yang P, Song Y, Sun J, Wei J, Li S, Guo X, Liu C, Shen C. Carboxymethyl cellulose and metal-organic frameworks immobilized into polyacrylamide hydrogel for ultrahigh efficient and selective adsorption U(VI) from seawater. Int J Biol Macromol 2024; 266:130996. [PMID: 38531521 DOI: 10.1016/j.ijbiomac.2024.130996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/04/2023] [Accepted: 03/17/2024] [Indexed: 03/28/2024]
Abstract
Metal-organic frameworks (MOF)-polymer hybrid hydrogel solves the processable forming of MOF powder and energy consumption of uranium extraction. However, the hybrid hydrogel by conventional synthesis methods inevitably lead to MOF agglomeration, poor filler-polymer interfacial compatibility and slowly adsorption. Herein, we designed that ZIF-67 was implanted into the carboxymethyl cellulose/polyacrylamide (CMC/PAM) by network-repairing strategy. The carboxyl and amino groups on the surface of CMC/PAM drive the uniform growth of ZIF-67 inside the CMC/PAM, which form an array of oriented and penetrating microchannels through coordination bonds. Our strategy eliminate the ZIF-67 agglomeration, increase the interfacial compatibility between MOF and polymer. The method also improve the free and fast diffusion of uranium in CMC/PAM/ZIF-67 hydrogel. According to the experimental, these enhancements synergistically enabled the CMC/PAM/ZIF-67 have a maximum adsorption capacity of 952 mg g-1. The adsorption process of CMC/PAM/ZIF-67 fits well with pseudo-second-order model and Langmuir isotherm. Meanwhile, the CMC/PAM/ZIF-67 maintain a high removal rate (87.3 %) and chemical stability even during ten adsorption-desorption cycles. It is worth noting that the adsorption amount of CMC/PAM/ZIF-67 in real seawater is 9.95 mg g-1 after 20 days, which is an ideal candidate adsorbent for uranium extraction from seawater.
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Affiliation(s)
- Peipei Yang
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold (Ministry of Education), Zhengzhou University, Zhengzhou 450002, China; Henan Tuoren Medical Device Co., Ltd., Weiyuan Industrial Park, Changyuan 453400, China
| | - Yucheng Song
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold (Ministry of Education), Zhengzhou University, Zhengzhou 450002, China
| | - Jian Sun
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold (Ministry of Education), Zhengzhou University, Zhengzhou 450002, China
| | - Jia Wei
- Yunnan Tobacco Quality Inspection & Supervision Station, Kunming 650106, China
| | - Songwei Li
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold (Ministry of Education), Zhengzhou University, Zhengzhou 450002, China.
| | - Xuejie Guo
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Chuntai Liu
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold (Ministry of Education), Zhengzhou University, Zhengzhou 450002, China
| | - Changyu Shen
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold (Ministry of Education), Zhengzhou University, Zhengzhou 450002, China
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Yang G, Wei L, Wang X, Wu X, He Y, Li G, Chen T, Zhu W. Enhancing Commercially Iron Powder Electron Transport by Surface Biosulfuration to Achieve Uranium Extraction from Uranium Ore Wastewater. Inorg Chem 2024; 63:1378-1387. [PMID: 38164710 DOI: 10.1021/acs.inorgchem.3c03906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
The zero-valent iron (ZVI) has attracted increasing attention due to the enhanced reactivity of ZVI to uranium wastewater. However, ZVI practical application is hampered due to its susceptibility to oxidation and the formation of passivation layers during storage and in situ restoration. To address these issues, we used a biosulfuration approach to modify ZVI for application in uranium ore wastewater treatment. A series of physicochemical characterization tools and photoelectronic analyses showed that BS-ZVI considerably increased carrier separation efficiency and visible light absorption capacity, resulting in a significant photoassisted enhancement effect on uranium extraction. Accordingly, the uranium removal efficiency of BS-ZVI reached 91% within 60 min, and its maximum adsorption capacity was 336.3 mg/g. By analyzing the mechanism, the improved U(VI) removal performance was mostly responsible on the dissolution of the passivation layer on the surface of ZVI, the generation of Fe(II) and FeS, and the important role of Shewanella putrefaciens extracellular polymers (EPS). Overall, the BS-ZVI biohybrid merges with the high activity of ZVI, bio-FeS, and self-regeneration ability of bacteria, expanding a promising new approach for sustainable treatment of uranium mine wastewater.
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Affiliation(s)
- Guolin Yang
- State Key Laboratory of Environment-friendly Energy Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Civil-military Integration Institute, School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P. R. China
- Laboratory Animal Centre, North Sichuan Medical College, Nanchong, Sichuan 637100, P. R. China
| | - Ling Wei
- Department of Agricultural Science and Technology, Nanchong Vocation and Technical College, Nanchong, Sichuan 637131, P. R. China
| | - Xin Wang
- State Key Laboratory of Environment-friendly Energy Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Civil-military Integration Institute, School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P. R. China
| | - Xudong Wu
- State Key Laboratory of Environment-friendly Energy Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Civil-military Integration Institute, School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P. R. China
| | - Yizhou He
- State Key Laboratory of Environment-friendly Energy Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Civil-military Integration Institute, School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P. R. China
| | - Guo Li
- State Key Laboratory of Environment-friendly Energy Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Civil-military Integration Institute, School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P. R. China
| | - Tao Chen
- State Key Laboratory of Environment-friendly Energy Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Civil-military Integration Institute, School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P. R. China
| | - Wenkun Zhu
- State Key Laboratory of Environment-friendly Energy Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Civil-military Integration Institute, School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P. R. China
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Zhao B, Chen X, Chen H, Zhang L, Li J, Guo Y, Liu H, Zhou Z, Ke P, Sun Z. Biomineralization of uranium by Desulfovibrio desulfuricans A3-21ZLL under various hydrochemical conditions. ENVIRONMENTAL RESEARCH 2023; 237:116950. [PMID: 37660876 DOI: 10.1016/j.envres.2023.116950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/13/2023] [Accepted: 08/21/2023] [Indexed: 09/05/2023]
Abstract
Uranium pollution in groundwater environment has become an important issue of global concern. In this study, a strain of Desulfovibrio desulfuricans was isolated from the tailings of acid heap leaching, and was shown to be able to remove uranium from water via biosorption, bio-reduction, passive biomineralization under uranium stress, and active metabolically dependent bioaccumulation. This research explored the effects of nutrients, pH, initial uranium and sulfate concentration on the functional groups, uranium valence, and crystal size and morphology of uranium immobilization products. Results showed that tetravalent and hexavalent phosphorus-containing uranium minerals was both formed. In sulfate-containing water where Desulfovibrio desulfuricans A3-21ZLL can grow, the sequestration of uranium by bio-reduction was significantly enhanced compared to that with no sulfate loading or no growth. Ungrown Desulfovibrio desulfuricans A3-21ZLL or dead ones released inorganic phosphate group in response to the stress of uranium, which associated with soluble uranyl ion to form insoluble uranium-containing precipitates. This study revealed the influence of hydrochemical conditions on the mineralogy characteristics and spatial distribution of microbial uranium immobilization products. This study is conducive to the long-term and stable bioremediation of groundwater in decommissioned uranium mining area.
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Affiliation(s)
- Bei Zhao
- China University of Geosciences (Beijing), Beijing 100083, China
| | - Xin Chen
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, Jiangxi, China
| | - Hongliang Chen
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, Jiangxi, China
| | - Linlin Zhang
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, Jiangxi, China
| | - Jiang Li
- School of Chemistry, Biology and Materials Science, East China University of Technology, Nanchang, Jiangxi, China
| | - Yadan Guo
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, Jiangxi, China
| | - Haiyan Liu
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, Jiangxi, China
| | - Zhongkui Zhou
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, Jiangxi, China
| | - Pingchao Ke
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, Jiangxi, China
| | - Zhanxue Sun
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China; China University of Geosciences (Beijing), Beijing 100083, China; School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, Jiangxi, China.
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5
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Tan X, Yang J, Shaaban M, Cai Y, Wang B, Peng QA. Cr(VI) removal from wastewater using nano zero-valent iron and chromium-reducing bacteria. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:113323-113334. [PMID: 37848784 DOI: 10.1007/s11356-023-30292-3] [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: 02/21/2023] [Accepted: 10/02/2023] [Indexed: 10/19/2023]
Abstract
Significant global efforts are currently underway to alleviate the presence of toxic metals in water bodies, aiming to encourage a sustainable environment. Nevertheless, the scientific community has yet to methodically inspect the performance and mechanisms underlying the interaction between nanomaterials and microorganisms in this context. Therefore, this study seeks to address this knowledge gap by developing a novel system that integrates nano zero-valent iron (nZVI) with chromium-reducing bacteria (CrRB) to efficiently remove Cr(VI) from water sources. The combined use of RBC600 and CrRB resulted in a Cr(VI) removal rate of 77.73%, displaying a substantial improvement of 17.61% compared to the use of CrRB alone. The efficacy of Cr(VI) elimination was observed to be affected by several factors within the system, such as the pH value, the quantity of nZVI added, the degree of CrRB inoculation, and the initial concentration of Cr(VI) at the onset of the experiment. When the pH was adjusted to 5, the complete removal of 200 mg/L Cr(VI) was achieved within 36 h. Increasing the dosage of nZVI to above 2 g/L resulted in the complete elimination of Cr(VI) from the solution within 72 h. This can be attributed to the availability of more reaction sites for the reduction of Cr(VI), facilitated by the higher nZVI dose. Additionally, the increased dose of nZVI allowed for the dissolution of more reactive Fe(II) ions. The characterization analysis, high-throughput sequencing, and fluorescence quantitative PCR results have established that CrRB and its extracellular polymer effectively reduce and complex Cr(VI). This process facilitated the dissolution of the passivated layer on the surface of nZVI, thus significantly enhancing the efficiency of nZVI in responding to Cr(VI). Additionally, the presence of nZVI created a favorable living environment for CrRB, resulting in increased richness and diversity within the CrRB community. These findings provide valuable preliminary insights into the mechanism underlying Cr(VI) elimination by the synergistic interaction between nZVI and CrRB. Therefore, this study establishes a solid theoretical foundations for the application of nano-bio synergy in the remediation of Cr(VI).
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Affiliation(s)
- Xiangpeng Tan
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, People's Republic of China
| | - Jianwei Yang
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, People's Republic of China
| | - Muhammad Shaaban
- College of Agriculture, Henan University of Science and Technology, Luoyang, China
| | - Yajun Cai
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, People's Republic of China
| | - Buyun Wang
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, People's Republic of China
| | - Qi-An Peng
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, People's Republic of China.
- Engineering Research Center for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan, People's Republic of China.
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Tan Z, Tan J, Yang Z, Sun W, Guo A, Wang J, Li Y, Lin X. Stable and recyclable FeS-CMC-based peroxydisulfate activation for effective bisphenol A reduction: performance and mechanism. CHEMOSPHERE 2023:139129. [PMID: 37279822 DOI: 10.1016/j.chemosphere.2023.139129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 05/29/2023] [Accepted: 06/03/2023] [Indexed: 06/08/2023]
Abstract
In this study, a novel material, iron sulfide modified by sodium carboxymethyl cellulose (FeS-CMC), was successfully synthetized for peroxydisulfate (PDS) activation to remove bisphenol A (BPA). Characterization results showed that FeS-CMC had more attachment sites for PDS activation due to its higher specific surface area. A stronger negative potential contributed to preventing nanoparticles from reuniting in the reaction and improving the interparticle electrostatic interactions of the materials. Fourier transform infrared spectrometer (FTIR) analysis of FeS-CMC suggested that the coordination of the ligand for combining sodium carboxymethyl cellulose (CMC) with FeS was monodentate. A total of 98.4% BPA was decomposed by the FeS-CMC/PDS system after 20 min under optimized conditions (pH = 3.60, [FeS-CMC] = 0.05 g/L and [PDS] = 0.88 mM). The isoelectric point (pHpzc) of FeS-CMC is 5.20, and FeS-CMC contributed to reducing BPA under acidic conditions but showed a negative effect under basic conditions. The presence of HCO3-, NO3- and HA inhibited BPA degradation by FeS-CMC/PDS, while excess Cl- accelerated the reaction. FeS-CMC exhibited excellent performance in oxidation resistance with a final removal degree of 95.0%, while FeS was only 20.0%. Furthermore, FeS-CMC showed excellent reusability and still reached 90.2% after triple reusability experiments. The study confirmed that the homogeneous reaction was the primary part of the system. Surface-bound Fe(II) and S (-II) were found to be the major electron donors during activation, and the reduction of S (-II) contributed to the cycle of Fe(III)/Fe(II). Sulfate radicals (SO4•-), hydroxyl radicals (•OH), superoxide radicals (O2•-) and singlet oxygen (1O2) were produced at the surface of FeS-CMC and accelerated the decomposition of BPA. This study offered a theoretical basis for improving the oxidation resistance and reusability of iron-based materials in the presence of advanced oxidation processes.
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Affiliation(s)
- Zijun Tan
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, PR China; College of Natural Resources and Environment, Joint Institute for Environmental Research & Education, South China Agricultural University, Guangzhou 510642, PR China
| | - Jiaqu Tan
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, PR China; College of Natural Resources and Environment, Joint Institute for Environmental Research & Education, South China Agricultural University, Guangzhou 510642, PR China
| | - Zijiang Yang
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, PR China; College of Natural Resources and Environment, Joint Institute for Environmental Research & Education, South China Agricultural University, Guangzhou 510642, PR China
| | - Wenxin Sun
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, PR China
| | - Aiying Guo
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, PR China
| | - Jinjin Wang
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, PR China; College of Natural Resources and Environment, Joint Institute for Environmental Research & Education, South China Agricultural University, Guangzhou 510642, PR China.
| | - Yongtao Li
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, PR China; College of Natural Resources and Environment, Joint Institute for Environmental Research & Education, South China Agricultural University, Guangzhou 510642, PR China
| | - Xueming Lin
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, PR China; Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Guangzhou 510642, PR China; College of Natural Resources and Environment, Joint Institute for Environmental Research & Education, South China Agricultural University, Guangzhou 510642, PR China.
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Zhou L, Dong F, Xi X, Zhou L, Dai Q, Liu M, Han Y, Yang G, Zhang Y. Arsenic triggered nano-sized uranyl arsenate precipitation on the surface of Kocuria rosea. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2023; 262:107168. [PMID: 37003252 DOI: 10.1016/j.jenvrad.2023.107168] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 03/15/2023] [Accepted: 03/27/2023] [Indexed: 06/19/2023]
Abstract
Arsenic (As) and uranium (U) frequently occur together naturally and, in consequence, transform into cocontaminants at sites of uranium mining and processing, yet the simultaneous interaction process of arsenic and uranium has not been well documented. In the present contribution, the influence of arsenate on the removal and reduction of uranyl by the indigenous microorganism Kocuria rosea was characterized using batch experiments combined with species distribution calculation, SEM-EDS, FTIR, XRD and XPS. The results showed that the coexistence of arsenic plays an active role in Kocuria rosea growth and the removal of uranium under neutral and slightly acidic conditions. U-As complex species of UO2HAsO4 (aq) had a positive effect on uranium removal, while Kocuria rosea cells appeared to have a large specific surface area serving as attachment sites. Furthermore, a large number of nano-sized flaky precipitates, constituted by uranium and arsenic, attached to the surface of Kocuria rosea cells at pH 5 through P=O, COO-, and C=O groups in phospholipids, polysaccharides, and proteins. The biological reduction of U(VI) and As(V) took place in a successive way, and the formation of a chadwickite-like uranyl arsenate precipitate further inhibited U(VI) reduction. The results will help to design more effective bioremediation strategies for arsenic-uranium cocontamination.
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Affiliation(s)
- Lei Zhou
- Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China; School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China
| | - Faqin Dong
- School of Environment and Resource, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China; Key Laboratory of Solid Waste Treatment and the Resource Recycle, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China.
| | - Xiangyu Xi
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China
| | - Lin Zhou
- School of Environment and Resource, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China; Key Laboratory of Solid Waste Treatment and the Resource Recycle, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China
| | - Qunwei Dai
- Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China
| | - Mingxue Liu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China
| | - Ying Han
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China
| | - Gang Yang
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China
| | - Yongde Zhang
- Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China
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Duan Y, Sun J. Preparation of Iron-Based Sulfides and Their Applications in Biomedical Fields. Biomimetics (Basel) 2023; 8:biomimetics8020177. [PMID: 37218763 DOI: 10.3390/biomimetics8020177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/14/2023] [Accepted: 04/21/2023] [Indexed: 05/24/2023] Open
Abstract
Recently, iron-based sulfides, including iron sulfide minerals and biological iron sulfide clusters, have attracted widespread interest, owing to their excellent biocompatibility and multi-functionality in biomedical applications. As such, controlled synthesized iron sulfide nanomaterials with elaborate designs, enhanced functionality and unique electronic structures show numerous advantages. Furthermore, iron sulfide clusters produced through biological metabolism are thought to possess magnetic properties and play a crucial role in balancing the concentration of iron in cells, thereby affecting ferroptosis processes. The electrons in the Fenton reaction constantly transfer between Fe2+ and Fe3+, participating in the production and reaction process of reactive oxygen species (ROS). This mechanism is considered to confer advantages in various biomedical fields such as the antibacterial field, tumor treatment, biosensing and the treatment of neurodegenerative diseases. Thus, we aim to systematically introduce recent advances in common iron-based sulfides.
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Affiliation(s)
- Yefan Duan
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory of Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210009, China
| | - Jianfei Sun
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory of Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210009, China
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9
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Hu Z, Zhou Z, Guo J, Liu Y, Yang S, Guo Y, Wang L, Sun Z, Yang Z. Surface Engineering Design of Nano FeS@ Stenotrophomonas sp. by Ultrasonic Chemical Method for Efficient U(VI) and Th(IV) Extraction. TOXICS 2023; 11:297. [PMID: 37112524 PMCID: PMC10144925 DOI: 10.3390/toxics11040297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/14/2023] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
Nano-FeS has great potential for use in the management of radioactive contaminants. In this paper, we prepared a FeS@Stenotrophomonas sp. composite material by ultrasonic chemistry, and it showed excellent removal of uranium and thorium from the solution. Through optimization of the experimental conditions, it was found that the maximum adsorption capacities for uranium and thorium reached 481.9 and 407.5 mg/g for a composite made with a synthetic ratio of 1:1, pH 5 and 3.5, respectively, for U and Th, and sonication for 20 min. Compared with those of FeS or Stenotrophomonas alone, the removal capacity was greatly improved. The results of a mechanistic study indicated that efficient removal of the uranium and thorium was due to ion exchange, reduction, and microbial surface adsorption. FeS@Stenotrophomonas sp. could be applied to U(VI) and Th(IV) extraction for radioactive water.
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Affiliation(s)
- Zhongqiang Hu
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang 330013, China
| | - Zhongkui Zhou
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang 330013, China
| | - Jianping Guo
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang 330013, China
| | - Yong Liu
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang 330013, China
| | - Shunjing Yang
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang 330013, China
| | - Yadan Guo
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang 330013, China
| | - Liping Wang
- School of Environmental and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China
| | - Zhanxue Sun
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
- School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang 330013, China
| | - Zhihui Yang
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
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10
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Chen L, Gao Y, Lian J, Li L, Ding D, Dai Z. Efficient photoreduction removal of uranium(VI) by O, K co-doped g-C3N4 under air atmosphere without sacrificial agents. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2022.122873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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11
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Pan Y, Zhang C, Sheng G, Li M, Linghu W, Huang R. Highly efficient scavenging of uranium(VI) by molybdenum disulfide loaded ferrous sulfide composites: Kinetics, thermodynamics and mechanism aspects. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2022.104614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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12
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Zhang L, Yang Y, Xu X, Xiao H, Deng S, Han X, Xia F, Jiang Y. Enhanced performance of thallium(I) removal by in situ-generated manganese oxides during biogenic Mn(II) oxidation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Efficient adsorptive and reductive removal of U(VI) and Se(IV) using porous hexagonal boron nitride supported nanoscale iron sulfide: Performance and mechanism. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Xu R, Li Q, Yang Y, Jin S, Liao L, Wu Z, Yin Z, Xu B, Nan X, He Y, Zhu B, Jiang T. Removal of heavy metal(loid)s from aqueous solution by biogenic FeS-kaolin composite: Behaviors and mechanisms. CHEMOSPHERE 2022; 299:134382. [PMID: 35318021 DOI: 10.1016/j.chemosphere.2022.134382] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/28/2022] [Accepted: 03/18/2022] [Indexed: 05/16/2023]
Abstract
In this work, a green adsorbent, biogenic FeS-kaolin composite (KL-FeS) was synthesized by sulfate-reducing bacteria (SRB) mediation, and its potential for Cd(II), Pb(II), Cu(II), Zn(II), As(III) and Sb(III) removal was evaluated. Among prepared composites, the KL-FeS synthesized at a concentration of 2 g/L kaolin performed a better removal efficiency on heavy metal(loid)s and the adsorption results followed the pseudo-second-order and Redlich-Peterson models, indicating that the adsorption was a hybrid chemical reaction-adsorption process. Additionally, the maximum adsorption capacities of Cd(II), Pb(II), Cu(II), Zn(II), As(III) and Sb(III) on KL-FeS in monocomponent system were 71.71, 133.54, 51.90, 54.41, 38.71 and 96.38 mg/g, respectively (pH = 5.0 ± 0.1, T = 25 °C). In addition, the increase of pH and ionic strength promoted the adsorption capacities of KL-FeS for metal-(loid)s. Moreover, FTIR, XPS and XRD analyses supported that surface complexation, hydrogen bonding, ion exchange, electrostatic interaction and chemical precipitation were predominately mechanisms involved in the adsorption process. Furthermore, KL-FeS displayed higher affinity for Pb(II), Sb(III) and Cu(II) in the multi-component system. This work highlighted the potential of biogenic FeS-kaolin composite for simultaneous removal of multiple heavy metal(loid)s under aerobic conditions.
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Affiliation(s)
- Rui Xu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Qian Li
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China.
| | - Yongbin Yang
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Shengming Jin
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Lang Liao
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Zhenguo Wu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Zhe Yin
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Bin Xu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Xiaolong Nan
- 306 Bridge of Hunan Nuclear Geology, Changsha, 410083, China
| | - Youyu He
- 306 Bridge of Hunan Nuclear Geology, Changsha, 410083, China
| | - Bing Zhu
- 306 Bridge of Hunan Nuclear Geology, Changsha, 410083, China
| | - Tao Jiang
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
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15
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Lv Y, Tang C, Liu X, Chen B, Zhang M, Yan X, Hu X, Chen S, Zhu X. Stabilization and mechanism of uranium sequestration by a mixed culture consortia of sulfate-reducing and phosphate-solubilizing bacteria. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 827:154216. [PMID: 35247412 DOI: 10.1016/j.scitotenv.2022.154216] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/24/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
In this study, a highly efficient phosphate-solubilizing bacteria (PSB) (Pantoea sp. grinm-12) was screened out from uranium (U) tailings, and the carbon and nitrogen sources of mixed culture with sulfate-reducing bacteria (SRB) were optimized. Results showed that the functional expression of SRB-PSB could be promoted effectively when glucose + sodium lactate was used as carbon source and ammonium nitrate + ammonium sulfate as nitrogen source. The concentration of PO43- in the culture system could reach 107.27 mg·L-1, and the sulfate reduction rate was 81.72%. In the process of biological stabilization of U tailings by mixed SRB-PSB culture system, the chemical form of U in the remediation group was found to transfer to stable state with the extension of remediation time, which revealed the effectiveness of bioremediation on the harmless treatment of U tailings. XRD, FT-IR, SEM-EDS, high-throughput sequencing, and metagenomics were also used to assist in revealing the microstructure and composition changes during the biological stabilization process, and explore the microbial community/functional gene response. Finally, the stabilization mechanism of U was proposed. In conclusion, the stabilization of U in U tailings was realized through the synergistic effect of bio-reduction, bio-precipitation, and bio-adsorption.
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Affiliation(s)
- Ying Lv
- National Engineering Research Center for Environment-friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing 101407, China; School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China; GRINM Resources and Environment Tech. Co., Ltd., Beijing 101407, China; General Research Institute for Nonferrous Metals, Beijing 100088, China
| | - Chuiyun Tang
- National Engineering Research Center for Environment-friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing 101407, China; GRINM Resources and Environment Tech. Co., Ltd., Beijing 101407, China; General Research Institute for Nonferrous Metals, Beijing 100088, China
| | - Xingyu Liu
- National Engineering Research Center for Environment-friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing 101407, China; GRINM Resources and Environment Tech. Co., Ltd., Beijing 101407, China; GRIMAT Engineering Institute Co., Ltd., Beijing 101407, China.
| | - Bowei Chen
- National Engineering Research Center for Environment-friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing 101407, China; GRINM Resources and Environment Tech. Co., Ltd., Beijing 101407, China; GRIMAT Engineering Institute Co., Ltd., Beijing 101407, China
| | - Mingjiang Zhang
- National Engineering Research Center for Environment-friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing 101407, China; GRINM Resources and Environment Tech. Co., Ltd., Beijing 101407, China; GRIMAT Engineering Institute Co., Ltd., Beijing 101407, China
| | - Xiao Yan
- National Engineering Research Center for Environment-friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing 101407, China; GRINM Resources and Environment Tech. Co., Ltd., Beijing 101407, China; General Research Institute for Nonferrous Metals, Beijing 100088, China
| | - Xuewu Hu
- National Engineering Research Center for Environment-friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing 101407, China; School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China; GRINM Resources and Environment Tech. Co., Ltd., Beijing 101407, China; General Research Institute for Nonferrous Metals, Beijing 100088, China
| | - Susu Chen
- National Engineering Research Center for Environment-friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing 101407, China; GRINM Resources and Environment Tech. Co., Ltd., Beijing 101407, China; General Research Institute for Nonferrous Metals, Beijing 100088, China
| | - Xuezhe Zhu
- National Engineering Research Center for Environment-friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing 101407, China; GRINM Resources and Environment Tech. Co., Ltd., Beijing 101407, China; General Research Institute for Nonferrous Metals, Beijing 100088, China
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16
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Rogiers T, Van Houdt R, Williamson A, Leys N, Boon N, Mijnendonckx K. Molecular Mechanisms Underlying Bacterial Uranium Resistance. Front Microbiol 2022; 13:822197. [PMID: 35359714 PMCID: PMC8963506 DOI: 10.3389/fmicb.2022.822197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 01/27/2022] [Indexed: 11/16/2022] Open
Abstract
Environmental uranium pollution due to industries producing naturally occurring radioactive material or nuclear accidents and releases is a global concern. Uranium is hazardous for ecosystems as well as for humans when accumulated through the food chain, through contaminated groundwater and potable water sources, or through inhalation. In particular, uranium pollution pressures microbial communities, which are essential for healthy ecosystems. In turn, microorganisms can influence the mobility and toxicity of uranium through processes like biosorption, bioreduction, biomineralization, and bioaccumulation. These processes were characterized by studying the interaction of different bacteria with uranium. However, most studies unraveling the underlying molecular mechanisms originate from the last decade. Molecular mechanisms help to understand how bacteria interact with radionuclides in the environment. Furthermore, knowledge on these underlying mechanisms could be exploited to improve bioremediation technologies. Here, we review the current knowledge on bacterial uranium resistance and how this could be used for bioremediation applications.
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Affiliation(s)
- Tom Rogiers
- Microbiology Unit, Interdisciplinary Biosciences, Belgian Nuclear Research Centre, SCK CEN, Mol, Belgium
- Center for Microbial Ecology and Technology, Ghent University, Ghent, Belgium
| | - Rob Van Houdt
- Microbiology Unit, Interdisciplinary Biosciences, Belgian Nuclear Research Centre, SCK CEN, Mol, Belgium
| | - Adam Williamson
- Centre Etudes Nucléaires de Bordeaux Gradignan (CENBG), Bordeaux, France
| | - Natalie Leys
- Microbiology Unit, Interdisciplinary Biosciences, Belgian Nuclear Research Centre, SCK CEN, Mol, Belgium
| | - Nico Boon
- Center for Microbial Ecology and Technology, Ghent University, Ghent, Belgium
| | - Kristel Mijnendonckx
- Microbiology Unit, Interdisciplinary Biosciences, Belgian Nuclear Research Centre, SCK CEN, Mol, Belgium
- *Correspondence: Kristel Mijnendonckx,
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17
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Niu CP, Zhang CR, Cui WR, Yi SM, Liang RP, Qiu JD. A conveniently synthesized redox-active fluorescent covalent organic framework for selective detection and adsorption of uranium. JOURNAL OF HAZARDOUS MATERIALS 2022; 425:127951. [PMID: 34894515 DOI: 10.1016/j.jhazmat.2021.127951] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/19/2021] [Accepted: 11/27/2021] [Indexed: 06/14/2023]
Abstract
Uranium is a key element in the nuclear industry and also a global environmental contaminant with combined highly toxic and radioactive. Currently, the materials based on post-modification of amidoxime have been developed for uranium detection and adsorption. However, the affinity of amidoxime group for vanadium is stronger than that of uranium, which is the main challenge hindering the practical application of amidoxime-based adsorbents. Herein, we synthesized a fluorescent covalent organic framework (TFPPy-BDOH) through integrating biphenyl diamine and pyrene unit into the π-conjugated framework. TFPPy-BDOH has an excellent selectivity to uranium due to the synergistic effect of nitrogen atom in the imine bond and hydroxyl groups in conjugated framework. It can achieve ultra-fast fluorescence response time (2 s) and ultra-low detection limit (8.8 nM), which may be attributed to its intrinsic regular porous channel structures and excellent hydrophilicity. More excitingly, TFPPy-BDOH can chemically reduce soluble U (VI) to insoluble U (IV), and release the binding site to adsorb additional U (VI), achieving high adsorption capacity of 982.6 ± 49.1 mg g-1. Therefore, TFPPy-BDOH can overcome the challenges faced by current amidoxime-based adsorbents, making it as a potential adsorbent in practical applications.
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Affiliation(s)
- Cheng-Peng Niu
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Cheng-Rong Zhang
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Wei-Rong Cui
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Shun-Mo Yi
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Ru-Ping Liang
- College of Chemistry, Nanchang University, Nanchang 330031, China.
| | - Jian-Ding Qiu
- College of Chemistry, Nanchang University, Nanchang 330031, China; Engineering Technology Research Center for Environmental Protection Materials and Equipment of Jiangxi Province, Pingxiang University, Pingxiang 337055, China.
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18
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Lv Y, Tang C, Liu X, Zhang M, Chen B, Hu X, Chen S, Zhu X. Optimization of Environmental Conditions for Microbial Stabilization of Uranium Tailings, and the Microbial Community Response. Front Microbiol 2021; 12:770206. [PMID: 34966366 PMCID: PMC8710664 DOI: 10.3389/fmicb.2021.770206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 11/19/2021] [Indexed: 11/21/2022] Open
Abstract
Uranium pollution in tailings and its decay products is a global environmental problem. It is of great significance to use economical and efficient technologies to remediate uranium-contaminated soil. In this study, the effects of pH, temperature, and inoculation volume on stabilization efficiency and microbial community response of uranium tailings were investigated by a single-factor batch experiment in the remediation process by mixed sulfate-reducing bacteria (SRB) and phosphate-solubilizing bacteria (PSB, Pantoea sp. grinm-12). The results showed that the optimal parameters of microbial stabilization by mixed SRB-PSB were pH of 5.0, temperature of 25°C, and inoculation volume of 10%. Under the optimal conditions, the uranium in uranium tailings presented a tendency to transform from the acid-soluble state to residual state. In addition, the introduction of exogenous SRB-PSB can significantly increase the richness and diversity of endogenous microorganisms, effectively maintain the reductive environment for the microbial stabilization system, and promote the growth of functional microorganisms, such as sulfate-reducing bacteria (Desulfosporosinus and Desulfovibrio) and iron-reducing bacteria (Geobacter and Sedimentibacter). Finally, PCoA and CCA analyses showed that temperature and inoculation volume had significant effects on microbial community structure, and the influence order of the three environmental factors is as follows: inoculation volume > temperature > pH. The outcomes of this study provide theoretical support for the control of uranium in uranium-contaminated sites.
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Affiliation(s)
- Ying Lv
- National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, China
- GRINM Resources and Environment Technology Co., Ltd., Beijing, China
- General Research Institute for Non-ferrous Metals, Beijing, China
| | - Chuiyun Tang
- National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing, China
- GRINM Resources and Environment Technology Co., Ltd., Beijing, China
- General Research Institute for Non-ferrous Metals, Beijing, China
| | - Xingyu Liu
- National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing, China
- GRINM Resources and Environment Technology Co., Ltd., Beijing, China
- GRIMAT Engineering Institute Co., Ltd., Beijing, China
| | - Mingjiang Zhang
- National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing, China
- GRINM Resources and Environment Technology Co., Ltd., Beijing, China
- GRIMAT Engineering Institute Co., Ltd., Beijing, China
| | - Bowei Chen
- National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing, China
- GRINM Resources and Environment Technology Co., Ltd., Beijing, China
- GRIMAT Engineering Institute Co., Ltd., Beijing, China
| | - Xuewu Hu
- National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, China
- GRINM Resources and Environment Technology Co., Ltd., Beijing, China
- General Research Institute for Non-ferrous Metals, Beijing, China
| | - Susu Chen
- National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing, China
- GRINM Resources and Environment Technology Co., Ltd., Beijing, China
- General Research Institute for Non-ferrous Metals, Beijing, China
| | - Xuezhe Zhu
- National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-ferrous Metals, GRINM Group Co., Ltd., Beijing, China
- GRINM Resources and Environment Technology Co., Ltd., Beijing, China
- General Research Institute for Non-ferrous Metals, Beijing, China
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