Adsorption and subsequent detoxification of hexavalent chromium in aqueous solution using polypyrrole-bacterial extracellular polysaccharide nanocomposite
The aim of this study was to assess the adsorption and Cr(VI) detoxification potential of polypyrrole‐bacterial extracellular polysaccharide (PPy‐EPS) nanocomposite. The nanocomposite was synthesized by in situ chemical oxidative polymerization of pyrrole monomer with bacterial extracellular polysac...
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| Veröffentlicht in: | Environmental progress 2016-09, Vol.35 (5), p.1293-1297 |
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| creator | Rajeswari, V. Janaki, V. Shanthi, K. Kamala-Kannan, S. |
| description | The aim of this study was to assess the adsorption and Cr(VI) detoxification potential of polypyrrole‐bacterial extracellular polysaccharide (PPy‐EPS) nanocomposite. The nanocomposite was synthesized by in situ chemical oxidative polymerization of pyrrole monomer with bacterial extracellular polysaccharide (EPS). Scanning and transmission electron micrographs showed the nanocomposites to be irregular in shape and mostly present in aggregates. Fourier transform infrared analyses illustrate the characteristic peaks (2934, 1548, 1463, and 1165 cm−1) of both pyrrole and bacterial extracellular polysaccharides. X‐ray diffractogram showed the amorphous nature of the nanocomposite, and the surface area of the PPy‐EPS nanocomposite was measured as 26.21 m2 g−1. The nanocomposite efficiently reduced more than 80% of Cr(VI) within 30 min. The X‐ray diffractogram corresponding to the crystal planes ((012), (110)) of Cr2O3 further confirmed the reduction of Cr(VI). The results of the study confirm PPy‐EPS nanocomposite as suitable option for the treatment of Cr(VI)‐bearing industrial wastewaters. © 2016 American Institute of Chemical Engineers Environ Prog, 35: 1293–1297, 2016 |
| doi_str_mv | 10.1002/ep.12344 |
| format | Article |
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The nanocomposite was synthesized by in situ chemical oxidative polymerization of pyrrole monomer with bacterial extracellular polysaccharide (EPS). Scanning and transmission electron micrographs showed the nanocomposites to be irregular in shape and mostly present in aggregates. Fourier transform infrared analyses illustrate the characteristic peaks (2934, 1548, 1463, and 1165 cm−1) of both pyrrole and bacterial extracellular polysaccharides. X‐ray diffractogram showed the amorphous nature of the nanocomposite, and the surface area of the PPy‐EPS nanocomposite was measured as 26.21 m2 g−1. The nanocomposite efficiently reduced more than 80% of Cr(VI) within 30 min. The X‐ray diffractogram corresponding to the crystal planes ((012), (110)) of Cr2O3 further confirmed the reduction of Cr(VI). The results of the study confirm PPy‐EPS nanocomposite as suitable option for the treatment of Cr(VI)‐bearing industrial wastewaters. © 2016 American Institute of Chemical Engineers Environ Prog, 35: 1293–1297, 2016</description><identifier>ISSN: 1944-7442</identifier><identifier>EISSN: 1944-7450</identifier><identifier>DOI: 10.1002/ep.12344</identifier><language>eng</language><publisher>Hoboken: Blackwell Publishing Ltd</publisher><subject>Adsorption ; Aqueous solutions ; Chromium ; extracellular polysaccharides ; metal reduction ; nanocomposite ; Nanocomposites ; pyrrole ; Water treatment</subject><ispartof>Environmental progress, 2016-09, Vol.35 (5), p.1293-1297</ispartof><rights>2016 American Institute of Chemical Engineers Environ Prog</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4354-8f762ca04b833fc4acdbaaa6dbc27872c08f0992fb3c2f9339941adb9393bdd93</citedby><cites>FETCH-LOGICAL-c4354-8f762ca04b833fc4acdbaaa6dbc27872c08f0992fb3c2f9339941adb9393bdd93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fep.12344$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fep.12344$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids></links><search><creatorcontrib>Rajeswari, V.</creatorcontrib><creatorcontrib>Janaki, V.</creatorcontrib><creatorcontrib>Shanthi, K.</creatorcontrib><creatorcontrib>Kamala-Kannan, S.</creatorcontrib><title>Adsorption and subsequent detoxification of hexavalent chromium in aqueous solution using polypyrrole-bacterial extracellular polysaccharide nanocomposite</title><title>Environmental progress</title><addtitle>Environ. Prog. Sustainable Energy</addtitle><description>The aim of this study was to assess the adsorption and Cr(VI) detoxification potential of polypyrrole‐bacterial extracellular polysaccharide (PPy‐EPS) nanocomposite. The nanocomposite was synthesized by in situ chemical oxidative polymerization of pyrrole monomer with bacterial extracellular polysaccharide (EPS). Scanning and transmission electron micrographs showed the nanocomposites to be irregular in shape and mostly present in aggregates. Fourier transform infrared analyses illustrate the characteristic peaks (2934, 1548, 1463, and 1165 cm−1) of both pyrrole and bacterial extracellular polysaccharides. X‐ray diffractogram showed the amorphous nature of the nanocomposite, and the surface area of the PPy‐EPS nanocomposite was measured as 26.21 m2 g−1. The nanocomposite efficiently reduced more than 80% of Cr(VI) within 30 min. The X‐ray diffractogram corresponding to the crystal planes ((012), (110)) of Cr2O3 further confirmed the reduction of Cr(VI). The results of the study confirm PPy‐EPS nanocomposite as suitable option for the treatment of Cr(VI)‐bearing industrial wastewaters. © 2016 American Institute of Chemical Engineers Environ Prog, 35: 1293–1297, 2016</description><subject>Adsorption</subject><subject>Aqueous solutions</subject><subject>Chromium</subject><subject>extracellular polysaccharides</subject><subject>metal reduction</subject><subject>nanocomposite</subject><subject>Nanocomposites</subject><subject>pyrrole</subject><subject>Water treatment</subject><issn>1944-7442</issn><issn>1944-7450</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp10c1O3DAQB_CoAglYKvEIlrhwCXVs58NHWG2hEi17aNWjNfEH68WJg52U3Vfp05Is1VZaiZMtzW_-mtEkyUWGrzOMyRfdXWeEMvYpOc04Y2nJcny0_zNykpzFuMa4oIzz0-TvjYo-dL31LYJWoTjUUb8Muu2R0r3fWGMl7KreoJXewB9wU1Gugm_s0CA79o3eDxFF74YdHaJtn1Dn3bbbhuCdTmuQvQ4WHNKbPoDUzg0Ows5EkHIFwSqNWmi99E3no-31eXJswEX9-d87S359Xfyc36cPj3ff5jcPqWQ0Z2llyoJIwKyuKDWSgVQ1ABSqlqSsSiJxZTDnxNRUEsMp5ZxloGpOOa2V4nSWXL3ndsGPm8ReNDZOE0I7rSWyaszhFNNqpJcHdO2H0I7TTQqTqsgr_D9QBh9j0EZ0wTYQtiLDYjqS0J3YHWmk6Tt9tU5vP3RisTzwNvZ6s_cQnkVR0jIXv3_ciZwsv99mfCnu6Rt5fqcL</recordid><startdate>201609</startdate><enddate>201609</enddate><creator>Rajeswari, V.</creator><creator>Janaki, V.</creator><creator>Shanthi, K.</creator><creator>Kamala-Kannan, S.</creator><general>Blackwell Publishing Ltd</general><general>John Wiley and Sons, Limited</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7ST</scope><scope>7U6</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope><scope>7QL</scope></search><sort><creationdate>201609</creationdate><title>Adsorption and subsequent detoxification of hexavalent chromium in aqueous solution using polypyrrole-bacterial extracellular polysaccharide nanocomposite</title><author>Rajeswari, V. ; Janaki, V. ; Shanthi, K. ; Kamala-Kannan, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4354-8f762ca04b833fc4acdbaaa6dbc27872c08f0992fb3c2f9339941adb9393bdd93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Adsorption</topic><topic>Aqueous solutions</topic><topic>Chromium</topic><topic>extracellular polysaccharides</topic><topic>metal reduction</topic><topic>nanocomposite</topic><topic>Nanocomposites</topic><topic>pyrrole</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rajeswari, V.</creatorcontrib><creatorcontrib>Janaki, V.</creatorcontrib><creatorcontrib>Shanthi, K.</creatorcontrib><creatorcontrib>Kamala-Kannan, S.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><jtitle>Environmental progress</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rajeswari, V.</au><au>Janaki, V.</au><au>Shanthi, K.</au><au>Kamala-Kannan, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption and subsequent detoxification of hexavalent chromium in aqueous solution using polypyrrole-bacterial extracellular polysaccharide nanocomposite</atitle><jtitle>Environmental progress</jtitle><addtitle>Environ. Prog. Sustainable Energy</addtitle><date>2016-09</date><risdate>2016</risdate><volume>35</volume><issue>5</issue><spage>1293</spage><epage>1297</epage><pages>1293-1297</pages><issn>1944-7442</issn><eissn>1944-7450</eissn><abstract>The aim of this study was to assess the adsorption and Cr(VI) detoxification potential of polypyrrole‐bacterial extracellular polysaccharide (PPy‐EPS) nanocomposite. The nanocomposite was synthesized by in situ chemical oxidative polymerization of pyrrole monomer with bacterial extracellular polysaccharide (EPS). Scanning and transmission electron micrographs showed the nanocomposites to be irregular in shape and mostly present in aggregates. Fourier transform infrared analyses illustrate the characteristic peaks (2934, 1548, 1463, and 1165 cm−1) of both pyrrole and bacterial extracellular polysaccharides. X‐ray diffractogram showed the amorphous nature of the nanocomposite, and the surface area of the PPy‐EPS nanocomposite was measured as 26.21 m2 g−1. The nanocomposite efficiently reduced more than 80% of Cr(VI) within 30 min. The X‐ray diffractogram corresponding to the crystal planes ((012), (110)) of Cr2O3 further confirmed the reduction of Cr(VI). The results of the study confirm PPy‐EPS nanocomposite as suitable option for the treatment of Cr(VI)‐bearing industrial wastewaters. © 2016 American Institute of Chemical Engineers Environ Prog, 35: 1293–1297, 2016</abstract><cop>Hoboken</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/ep.12344</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Adsorption Aqueous solutions Chromium extracellular polysaccharides metal reduction nanocomposite Nanocomposites pyrrole Water treatment |
| title | Adsorption and subsequent detoxification of hexavalent chromium in aqueous solution using polypyrrole-bacterial extracellular polysaccharide nanocomposite |
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