Iron and lead ion adsorption by microbial flocculants in synthetic wastewater and their related carbonate formation
Although microbial treatments of heavy metal ions in wastewater have been studied, the removal of these metals through incorporation into carbonate minerals has rarely been reported. To investigate the removal of Fe^3＋ and Pb^2＋, two representative metals in wastewater, through the precipitation of...
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| Veröffentlicht in: | Journal of environmental sciences (China) 2013-12, Vol.25 (12), p.2422-2428 |
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| creator | Yao, Minjie Lian, Bin Dong, Hailiang Hao, Jianchao Liu, Congqiang |
| description | Although microbial treatments of heavy metal ions in wastewater have been studied, the removal of these metals through incorporation into carbonate minerals has rarely been reported. To investigate the removal of Fe^3＋ and Pb^2＋, two representative metals in wastewater, through the precipitation of carbonate minerals by a microbial flocculant （MBF） produced by Bacillus mucilaginosus. MBF was added to synthetic wastewater containing different Fe^3＋ and Pb^2＋ concentrations, and the extent of flocculation was analyzed. CO2 was bubbled into the mixture of MBF and Fe^3＋/Pb^2＋ to initiate the reaction. The solid substrates were analyzed via X-ray diffraction, transmission electron microscopy and energy dispersive spectroscopy. The results showed that the removal efficiency decreased and the MBF adsorption capacity for metals increased with increasing heavy metal concentration. In the system containing MBF, metals （Fe^3＋ and Pb^2＋）, and CO2, the concentrated metals adsorbed onto the MBF combined with the dissolved CO2, resulting in oversaturation of metal carbonate minerals to form iron carbonate and lead carbonates. These results may be used in designing a method in which microbes can be utilized to combine CO2 with wastewater heavy metals to form carbonates, with the aim of mitigating environmental problems. |
| doi_str_mv | 10.1016/S1001-0742(12)60151-X |
| format | Article |
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To investigate the removal of Fe^3＋ and Pb^2＋, two representative metals in wastewater, through the precipitation of carbonate minerals by a microbial flocculant （MBF） produced by Bacillus mucilaginosus. MBF was added to synthetic wastewater containing different Fe^3＋ and Pb^2＋ concentrations, and the extent of flocculation was analyzed. CO2 was bubbled into the mixture of MBF and Fe^3＋/Pb^2＋ to initiate the reaction. The solid substrates were analyzed via X-ray diffraction, transmission electron microscopy and energy dispersive spectroscopy. The results showed that the removal efficiency decreased and the MBF adsorption capacity for metals increased with increasing heavy metal concentration. In the system containing MBF, metals （Fe^3＋ and Pb^2＋）, and CO2, the concentrated metals adsorbed onto the MBF combined with the dissolved CO2, resulting in oversaturation of metal carbonate minerals to form iron carbonate and lead carbonates. These results may be used in designing a method in which microbes can be utilized to combine CO2 with wastewater heavy metals to form carbonates, with the aim of mitigating environmental problems.</description><identifier>ISSN: 1001-0742</identifier><identifier>EISSN: 1878-7320</identifier><identifier>DOI: 10.1016/S1001-0742(12)60151-X</identifier><identifier>PMID: 24649673</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Adsorption ; Bacillus - physiology ; Bacillus mucilaginosus ; Carbon dioxide ; Carbon Dioxide - chemistry ; carbon dioxide fixation ; Carbonates ; Carbonates - chemical synthesis ; cerussite ; Chemical Precipitation ; energy ; flocculants ; flocculation ; Heavy metals ; iron ; Iron - isolation & purification ; iron carbonate ; lead ; Lead (metal) ; Lead - isolation & purification ; metal ions ; microbial flocculation ; Microorganisms ; Microscopy, Electron, Transmission ; mineral carbonation ; Minerals ; Spectrometry, X-Ray Emission ; spectroscopy ; transmission electron microscopy ; Waste Disposal, Fluid ; Waste water ; Waste Water - chemistry ; wastewater ; wastewater treatment ; X-Ray Diffraction ; 合成废水 ; 微生物絮凝剂 ; 碳酸盐岩地层 ; 碳酸盐矿物 ; 碳酸铁 ; 离子吸附 ; 透射电子显微镜 ; 重金属离子</subject><ispartof>Journal of environmental sciences (China), 2013-12, Vol.25 (12), p.2422-2428</ispartof><rights>2013 The Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c599t-d82eaf35bf2e1be2c06a7f92ff8a53aef8c32b945a5f3d6ef065194976f0c7253</citedby><cites>FETCH-LOGICAL-c599t-d82eaf35bf2e1be2c06a7f92ff8a53aef8c32b945a5f3d6ef065194976f0c7253</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85265X/85265X.jpg</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S100107421260151X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24649673$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yao, Minjie</creatorcontrib><creatorcontrib>Lian, Bin</creatorcontrib><creatorcontrib>Dong, Hailiang</creatorcontrib><creatorcontrib>Hao, Jianchao</creatorcontrib><creatorcontrib>Liu, Congqiang</creatorcontrib><title>Iron and lead ion adsorption by microbial flocculants in synthetic wastewater and their related carbonate formation</title><title>Journal of environmental sciences (China)</title><addtitle>Journal of Environmental Sciences</addtitle><description>Although microbial treatments of heavy metal ions in wastewater have been studied, the removal of these metals through incorporation into carbonate minerals has rarely been reported. To investigate the removal of Fe^3＋ and Pb^2＋, two representative metals in wastewater, through the precipitation of carbonate minerals by a microbial flocculant （MBF） produced by Bacillus mucilaginosus. MBF was added to synthetic wastewater containing different Fe^3＋ and Pb^2＋ concentrations, and the extent of flocculation was analyzed. CO2 was bubbled into the mixture of MBF and Fe^3＋/Pb^2＋ to initiate the reaction. The solid substrates were analyzed via X-ray diffraction, transmission electron microscopy and energy dispersive spectroscopy. The results showed that the removal efficiency decreased and the MBF adsorption capacity for metals increased with increasing heavy metal concentration. In the system containing MBF, metals （Fe^3＋ and Pb^2＋）, and CO2, the concentrated metals adsorbed onto the MBF combined with the dissolved CO2, resulting in oversaturation of metal carbonate minerals to form iron carbonate and lead carbonates. These results may be used in designing a method in which microbes can be utilized to combine CO2 with wastewater heavy metals to form carbonates, with the aim of mitigating environmental problems.</description><subject>Adsorption</subject><subject>Bacillus - physiology</subject><subject>Bacillus mucilaginosus</subject><subject>Carbon dioxide</subject><subject>Carbon Dioxide - chemistry</subject><subject>carbon dioxide fixation</subject><subject>Carbonates</subject><subject>Carbonates - chemical synthesis</subject><subject>cerussite</subject><subject>Chemical Precipitation</subject><subject>energy</subject><subject>flocculants</subject><subject>flocculation</subject><subject>Heavy metals</subject><subject>iron</subject><subject>Iron - isolation & purification</subject><subject>iron carbonate</subject><subject>lead</subject><subject>Lead (metal)</subject><subject>Lead - isolation & purification</subject><subject>metal ions</subject><subject>microbial flocculation</subject><subject>Microorganisms</subject><subject>Microscopy, Electron, Transmission</subject><subject>mineral carbonation</subject><subject>Minerals</subject><subject>Spectrometry, X-Ray Emission</subject><subject>spectroscopy</subject><subject>transmission electron microscopy</subject><subject>Waste Disposal, Fluid</subject><subject>Waste water</subject><subject>Waste Water - chemistry</subject><subject>wastewater</subject><subject>wastewater treatment</subject><subject>X-Ray Diffraction</subject><subject>合成废水</subject><subject>微生物絮凝剂</subject><subject>碳酸盐岩地层</subject><subject>碳酸盐矿物</subject><subject>碳酸铁</subject><subject>离子吸附</subject><subject>透射电子显微镜</subject><subject>重金属离子</subject><issn>1001-0742</issn><issn>1878-7320</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkk1v1DAQhiMEoh_wE4BwK4fA-Ds-VagqUKkSh1KpN8txxlujbLy1s1T773F2t712Tx6Pnpl57Xmr6gOBrwSI_HZDAEgDitMzQr9IIII0d6-qY9KqtlGMwusSPyFH1UnOfwGACxBvqyPKJddSseMqX6U41nbs6wFtX4f50ueYVtMcdpt6GVyKXbBD7Yfo3Hqw45TrMNZ5M073OAVXP9o84aOdMG0blWxIdcKhZPra2dTFsYS1j2lp57bvqjfeDhnf78_T6vbH5Z-LX831759XF9-vGye0npq-pWg9E52nSDqkDqRVXlPvWyuYRd86RjvNhRWe9RI9SEE010p6cIoKdlqd7fquUnxYY57MMmSHQ3kCxnU2RCqlheZKH4BySkUrGXsZFVQXFQzIAShoTkQLcAgKSrecy4KKHVoWk3NCb1YpLG3aGAJm9obZesPMizeEmq03zF2p-7gfse6W2D9XPZmhAJ92gLfR2EUK2dzeUJhHU0LU9pvOdwSWtf0LmEx2AUeHfUjoJtPH8KKIz3vx93FcPIRx8ayDt8CKDmD_AUJ93X8</recordid><startdate>20131201</startdate><enddate>20131201</enddate><creator>Yao, Minjie</creator><creator>Lian, Bin</creator><creator>Dong, Hailiang</creator><creator>Hao, Jianchao</creator><creator>Liu, Congqiang</creator><general>Elsevier B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7T7</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H97</scope><scope>L.G</scope><scope>P64</scope><scope>SOI</scope><scope>7X8</scope><scope>7SU</scope><scope>KR7</scope></search><sort><creationdate>20131201</creationdate><title>Iron and lead ion adsorption by microbial flocculants in synthetic wastewater and their related carbonate formation</title><author>Yao, Minjie ; Lian, Bin ; Dong, Hailiang ; Hao, Jianchao ; Liu, Congqiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c599t-d82eaf35bf2e1be2c06a7f92ff8a53aef8c32b945a5f3d6ef065194976f0c7253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adsorption</topic><topic>Bacillus - physiology</topic><topic>Bacillus mucilaginosus</topic><topic>Carbon dioxide</topic><topic>Carbon Dioxide - chemistry</topic><topic>carbon dioxide fixation</topic><topic>Carbonates</topic><topic>Carbonates - chemical synthesis</topic><topic>cerussite</topic><topic>Chemical Precipitation</topic><topic>energy</topic><topic>flocculants</topic><topic>flocculation</topic><topic>Heavy metals</topic><topic>iron</topic><topic>Iron - isolation & purification</topic><topic>iron carbonate</topic><topic>lead</topic><topic>Lead (metal)</topic><topic>Lead - isolation & purification</topic><topic>metal ions</topic><topic>microbial flocculation</topic><topic>Microorganisms</topic><topic>Microscopy, Electron, Transmission</topic><topic>mineral carbonation</topic><topic>Minerals</topic><topic>Spectrometry, X-Ray Emission</topic><topic>spectroscopy</topic><topic>transmission electron microscopy</topic><topic>Waste Disposal, Fluid</topic><topic>Waste water</topic><topic>Waste Water - chemistry</topic><topic>wastewater</topic><topic>wastewater treatment</topic><topic>X-Ray Diffraction</topic><topic>合成废水</topic><topic>微生物絮凝剂</topic><topic>碳酸盐岩地层</topic><topic>碳酸盐矿物</topic><topic>碳酸铁</topic><topic>离子吸附</topic><topic>透射电子显微镜</topic><topic>重金属离子</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yao, Minjie</creatorcontrib><creatorcontrib>Lian, Bin</creatorcontrib><creatorcontrib>Dong, Hailiang</creatorcontrib><creatorcontrib>Hao, Jianchao</creatorcontrib><creatorcontrib>Liu, Congqiang</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Environmental Engineering Abstracts</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of environmental sciences (China)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yao, Minjie</au><au>Lian, Bin</au><au>Dong, Hailiang</au><au>Hao, Jianchao</au><au>Liu, Congqiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Iron and lead ion adsorption by microbial flocculants in synthetic wastewater and their related carbonate formation</atitle><jtitle>Journal of environmental sciences (China)</jtitle><addtitle>Journal of Environmental Sciences</addtitle><date>2013-12-01</date><risdate>2013</risdate><volume>25</volume><issue>12</issue><spage>2422</spage><epage>2428</epage><pages>2422-2428</pages><issn>1001-0742</issn><eissn>1878-7320</eissn><abstract>Although microbial treatments of heavy metal ions in wastewater have been studied, the removal of these metals through incorporation into carbonate minerals has rarely been reported. To investigate the removal of Fe^3＋ and Pb^2＋, two representative metals in wastewater, through the precipitation of carbonate minerals by a microbial flocculant （MBF） produced by Bacillus mucilaginosus. MBF was added to synthetic wastewater containing different Fe^3＋ and Pb^2＋ concentrations, and the extent of flocculation was analyzed. CO2 was bubbled into the mixture of MBF and Fe^3＋/Pb^2＋ to initiate the reaction. The solid substrates were analyzed via X-ray diffraction, transmission electron microscopy and energy dispersive spectroscopy. The results showed that the removal efficiency decreased and the MBF adsorption capacity for metals increased with increasing heavy metal concentration. In the system containing MBF, metals （Fe^3＋ and Pb^2＋）, and CO2, the concentrated metals adsorbed onto the MBF combined with the dissolved CO2, resulting in oversaturation of metal carbonate minerals to form iron carbonate and lead carbonates. These results may be used in designing a method in which microbes can be utilized to combine CO2 with wastewater heavy metals to form carbonates, with the aim of mitigating environmental problems.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>24649673</pmid><doi>10.1016/S1001-0742(12)60151-X</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1001-0742 |
| ispartof | Journal of environmental sciences (China), 2013-12, Vol.25 (12), p.2422-2428 |
| issn | 1001-0742 1878-7320 |
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| source | MEDLINE; Elsevier ScienceDirect Journals; Alma/SFX Local Collection |
| subjects | Adsorption Bacillus - physiology Bacillus mucilaginosus Carbon dioxide Carbon Dioxide - chemistry carbon dioxide fixation Carbonates Carbonates - chemical synthesis cerussite Chemical Precipitation energy flocculants flocculation Heavy metals iron Iron - isolation & purification iron carbonate lead Lead (metal) Lead - isolation & purification metal ions microbial flocculation Microorganisms Microscopy, Electron, Transmission mineral carbonation Minerals Spectrometry, X-Ray Emission spectroscopy transmission electron microscopy Waste Disposal, Fluid Waste water Waste Water - chemistry wastewater wastewater treatment X-Ray Diffraction 合成废水 微生物絮凝剂 碳酸盐岩地层 碳酸盐矿物 碳酸铁 离子吸附 透射电子显微镜 重金属离子 |
| title | Iron and lead ion adsorption by microbial flocculants in synthetic wastewater and their related carbonate formation |
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