Cr(VI) reduction by bio and bioinorganic catalysis via use of bio-H2: a sustainable approach for remediation of wastes
Use of biologically‐produced hydrogen (bio‐H2) as an electron donor for Cr(VI) reduction by native and palladized cells of Desulfovibrio vulgaris NCIMB 8303 was demonstrated. The bio‐H2 was produced fermentatively by Escherichia coli HD701 (a strain upregulated with respect to formate hydrogenlyase...
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| Veröffentlicht in: | Journal of chemical technology and biotechnology (1986) 2007-02, Vol.82 (2), p.182-189 |
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| container_title | Journal of chemical technology and biotechnology (1986) |
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| creator | Humphries, Andrea C Penfold, David W Macaskie, Lynne E |
| description | Use of biologically‐produced hydrogen (bio‐H2) as an electron donor for Cr(VI) reduction by native and palladized cells of Desulfovibrio vulgaris NCIMB 8303 was demonstrated. The bio‐H2 was produced fermentatively by Escherichia coli HD701 (a strain upregulated with respect to formate hydrogenlyase expression) using glucose solution or two industrial confectionery wastes as fermentable substrates. Maximum Cr(VI) reduction occurred at the expense of bio‐H2 using palladized biomass (bio‐Pd(0)), with negligible residual Cr(VI) remaining from a 0.5 mmol dm−3 solution after 2.5 h. Use of bio‐H2 as the electron donor for Cr(VI) reduction by agar‐immobilized bio‐Pd(0) in a continuous‐flow system gave 90% reduction efficiency at a flow residence time of 0.7 h, which was maintained for the duration of bio‐H2 evolution by E. coli HD701. This study shows the potential to remediate toxic metal waste at the expense of food processing waste, as a sustainable alternative to landfilling. Copyright © 2007 Society of Chemical Industry |
| doi_str_mv | 10.1002/jctb.1651 |
| format | Article |
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The bio‐H2 was produced fermentatively by Escherichia coli HD701 (a strain upregulated with respect to formate hydrogenlyase expression) using glucose solution or two industrial confectionery wastes as fermentable substrates. Maximum Cr(VI) reduction occurred at the expense of bio‐H2 using palladized biomass (bio‐Pd(0)), with negligible residual Cr(VI) remaining from a 0.5 mmol dm−3 solution after 2.5 h. Use of bio‐H2 as the electron donor for Cr(VI) reduction by agar‐immobilized bio‐Pd(0) in a continuous‐flow system gave 90% reduction efficiency at a flow residence time of 0.7 h, which was maintained for the duration of bio‐H2 evolution by E. coli HD701. This study shows the potential to remediate toxic metal waste at the expense of food processing waste, as a sustainable alternative to landfilling. Copyright © 2007 Society of Chemical Industry</description><identifier>ISSN: 0268-2575</identifier><identifier>EISSN: 1097-4660</identifier><identifier>DOI: 10.1002/jctb.1651</identifier><identifier>CODEN: JCTBDC</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>Applied sciences ; bio-hydrogen ; Biological and medical sciences ; Catalysis ; Catalytic reactions ; Chemical engineering ; Chemistry ; chromate reduction ; Exact sciences and technology ; Food engineering ; Food industries ; Fundamental and applied biological sciences. Psychology ; General and physical chemistry ; General aspects ; General treatment and storage processes ; palladium biocatalyst ; Pollution ; Theory of reactions, general kinetics. Catalysis. 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Chem. Technol. Biotechnol</addtitle><description>Use of biologically‐produced hydrogen (bio‐H2) as an electron donor for Cr(VI) reduction by native and palladized cells of Desulfovibrio vulgaris NCIMB 8303 was demonstrated. The bio‐H2 was produced fermentatively by Escherichia coli HD701 (a strain upregulated with respect to formate hydrogenlyase expression) using glucose solution or two industrial confectionery wastes as fermentable substrates. Maximum Cr(VI) reduction occurred at the expense of bio‐H2 using palladized biomass (bio‐Pd(0)), with negligible residual Cr(VI) remaining from a 0.5 mmol dm−3 solution after 2.5 h. Use of bio‐H2 as the electron donor for Cr(VI) reduction by agar‐immobilized bio‐Pd(0) in a continuous‐flow system gave 90% reduction efficiency at a flow residence time of 0.7 h, which was maintained for the duration of bio‐H2 evolution by E. coli HD701. This study shows the potential to remediate toxic metal waste at the expense of food processing waste, as a sustainable alternative to landfilling. Copyright © 2007 Society of Chemical Industry</description><subject>Applied sciences</subject><subject>bio-hydrogen</subject><subject>Biological and medical sciences</subject><subject>Catalysis</subject><subject>Catalytic reactions</subject><subject>Chemical engineering</subject><subject>Chemistry</subject><subject>chromate reduction</subject><subject>Exact sciences and technology</subject><subject>Food engineering</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General and physical chemistry</subject><subject>General aspects</subject><subject>General treatment and storage processes</subject><subject>palladium biocatalyst</subject><subject>Pollution</subject><subject>Theory of reactions, general kinetics. Catalysis. 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Psychology</topic><topic>General and physical chemistry</topic><topic>General aspects</topic><topic>General treatment and storage processes</topic><topic>palladium biocatalyst</topic><topic>Pollution</topic><topic>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><topic>Wastes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Humphries, Andrea C</creatorcontrib><creatorcontrib>Penfold, David W</creatorcontrib><creatorcontrib>Macaskie, Lynne E</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Humphries, Andrea C</au><au>Penfold, David W</au><au>Macaskie, Lynne E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cr(VI) reduction by bio and bioinorganic catalysis via use of bio-H2: a sustainable approach for remediation of wastes</atitle><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle><addtitle>J. Chem. Technol. Biotechnol</addtitle><date>2007-02</date><risdate>2007</risdate><volume>82</volume><issue>2</issue><spage>182</spage><epage>189</epage><pages>182-189</pages><issn>0268-2575</issn><eissn>1097-4660</eissn><coden>JCTBDC</coden><abstract>Use of biologically‐produced hydrogen (bio‐H2) as an electron donor for Cr(VI) reduction by native and palladized cells of Desulfovibrio vulgaris NCIMB 8303 was demonstrated. The bio‐H2 was produced fermentatively by Escherichia coli HD701 (a strain upregulated with respect to formate hydrogenlyase expression) using glucose solution or two industrial confectionery wastes as fermentable substrates. Maximum Cr(VI) reduction occurred at the expense of bio‐H2 using palladized biomass (bio‐Pd(0)), with negligible residual Cr(VI) remaining from a 0.5 mmol dm−3 solution after 2.5 h. Use of bio‐H2 as the electron donor for Cr(VI) reduction by agar‐immobilized bio‐Pd(0) in a continuous‐flow system gave 90% reduction efficiency at a flow residence time of 0.7 h, which was maintained for the duration of bio‐H2 evolution by E. coli HD701. This study shows the potential to remediate toxic metal waste at the expense of food processing waste, as a sustainable alternative to landfilling. Copyright © 2007 Society of Chemical Industry</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/jctb.1651</doi><tpages>8</tpages></addata></record> |
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| identifier | ISSN: 0268-2575 |
| ispartof | Journal of chemical technology and biotechnology (1986), 2007-02, Vol.82 (2), p.182-189 |
| issn | 0268-2575 1097-4660 |
| language | eng |
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| subjects | Applied sciences bio-hydrogen Biological and medical sciences Catalysis Catalytic reactions Chemical engineering Chemistry chromate reduction Exact sciences and technology Food engineering Food industries Fundamental and applied biological sciences. Psychology General and physical chemistry General aspects General treatment and storage processes palladium biocatalyst Pollution Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Wastes |
| title | Cr(VI) reduction by bio and bioinorganic catalysis via use of bio-H2: a sustainable approach for remediation of wastes |
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