Elimination of Cr(VI) from chromium slag with poplar lignin by electrochemical treatment in sulfuric acid solution
In this paper, we proposed a novel method to eliminate nocuous Cr(VI) from chromium slag with poplar lignin by electrochemical treatment in sulfuric acid solution. In this electrochemical process, self-made Ti/SnO 2 -Sb anode and graphite cathode were applied, and the oxidative degradation of lignin...
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| Veröffentlicht in: | Environmental science and pollution research international 2020-08, Vol.27 (23), p.29441-29450 |
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| creator | Du, Yabo Wen, Yeqian Fan, Hongxian Qi, Jian Zhang, Songmei Li, Gang |
| description | In this paper, we proposed a novel method to eliminate nocuous Cr(VI) from chromium slag with poplar lignin by electrochemical treatment in sulfuric acid solution. In this electrochemical process, self-made Ti/SnO
2
-Sb anode and graphite cathode were applied, and the oxidative degradation of lignin proceeded simultaneously with the reduction of Cr(VI) in one pot. The influences of pivotal factors on electrocatalytic redox efficiency were investigated, such as chromium slag concentration, lignin concentration, current density, sulfuric acid concentration, and reaction time. The results showed that the elimination rate of Cr(VI) in chromium slag was 97.16 ± 1.13% and the total yield of lignin degradation products reached 93.78 g/kg lignin under the optimal conditions. X-ray photoelectron spectroscopy (XPS), energy dispersive X-ray spectroscopy (EDS), and UV-visible spectrophotometer studies confirmed that most of the Cr(VI) ions were reduced to Cr(III) ions with the aid of lignin, and a small amount of Cr(VI) ions were adsorbed by lignin residue. Importantly, this method provides a typical example of “waste control by waste”, which is treating waste chromium slag with waste lignin that can be an effective way to eliminate Cr(VI). |
| doi_str_mv | 10.1007/s11356-020-09289-9 |
| format | Article |
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2
-Sb anode and graphite cathode were applied, and the oxidative degradation of lignin proceeded simultaneously with the reduction of Cr(VI) in one pot. The influences of pivotal factors on electrocatalytic redox efficiency were investigated, such as chromium slag concentration, lignin concentration, current density, sulfuric acid concentration, and reaction time. The results showed that the elimination rate of Cr(VI) in chromium slag was 97.16 ± 1.13% and the total yield of lignin degradation products reached 93.78 g/kg lignin under the optimal conditions. X-ray photoelectron spectroscopy (XPS), energy dispersive X-ray spectroscopy (EDS), and UV-visible spectrophotometer studies confirmed that most of the Cr(VI) ions were reduced to Cr(III) ions with the aid of lignin, and a small amount of Cr(VI) ions were adsorbed by lignin residue. Importantly, this method provides a typical example of “waste control by waste”, which is treating waste chromium slag with waste lignin that can be an effective way to eliminate Cr(VI).</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-020-09289-9</identifier><identifier>PMID: 32436097</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Chemical treatment ; Chromium ; Degradation ; Degradation products ; Earth and Environmental Science ; Ecotoxicology ; Electrochemistry ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Ions ; Lignin ; Photoelectron spectroscopy ; Photoelectrons ; Poplar ; Reaction time ; Research Article ; Slag ; Spectrum analysis ; Sulfuric acid ; Tin dioxide ; Waste treatment ; Waste Water Technology ; Water Management ; Water Pollution Control ; X ray photoelectron spectroscopy ; X-ray spectroscopy</subject><ispartof>Environmental science and pollution research international, 2020-08, Vol.27 (23), p.29441-29450</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c412t-a8c2a713f44fd151fb82ab71417152ac3974e8f09900e9ea7f2e6823a258fd903</citedby><cites>FETCH-LOGICAL-c412t-a8c2a713f44fd151fb82ab71417152ac3974e8f09900e9ea7f2e6823a258fd903</cites><orcidid>0000-0002-8352-3290</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11356-020-09289-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-020-09289-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32436097$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Du, Yabo</creatorcontrib><creatorcontrib>Wen, Yeqian</creatorcontrib><creatorcontrib>Fan, Hongxian</creatorcontrib><creatorcontrib>Qi, Jian</creatorcontrib><creatorcontrib>Zhang, Songmei</creatorcontrib><creatorcontrib>Li, Gang</creatorcontrib><title>Elimination of Cr(VI) from chromium slag with poplar lignin by electrochemical treatment in sulfuric acid solution</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>In this paper, we proposed a novel method to eliminate nocuous Cr(VI) from chromium slag with poplar lignin by electrochemical treatment in sulfuric acid solution. In this electrochemical process, self-made Ti/SnO
2
-Sb anode and graphite cathode were applied, and the oxidative degradation of lignin proceeded simultaneously with the reduction of Cr(VI) in one pot. The influences of pivotal factors on electrocatalytic redox efficiency were investigated, such as chromium slag concentration, lignin concentration, current density, sulfuric acid concentration, and reaction time. The results showed that the elimination rate of Cr(VI) in chromium slag was 97.16 ± 1.13% and the total yield of lignin degradation products reached 93.78 g/kg lignin under the optimal conditions. X-ray photoelectron spectroscopy (XPS), energy dispersive X-ray spectroscopy (EDS), and UV-visible spectrophotometer studies confirmed that most of the Cr(VI) ions were reduced to Cr(III) ions with the aid of lignin, and a small amount of Cr(VI) ions were adsorbed by lignin residue. Importantly, this method provides a typical example of “waste control by waste”, which is treating waste chromium slag with waste lignin that can be an effective way to eliminate Cr(VI).</description><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Chemical treatment</subject><subject>Chromium</subject><subject>Degradation</subject><subject>Degradation products</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Electrochemistry</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental science</subject><subject>Ions</subject><subject>Lignin</subject><subject>Photoelectron spectroscopy</subject><subject>Photoelectrons</subject><subject>Poplar</subject><subject>Reaction time</subject><subject>Research Article</subject><subject>Slag</subject><subject>Spectrum analysis</subject><subject>Sulfuric acid</subject><subject>Tin dioxide</subject><subject>Waste treatment</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><subject>X ray photoelectron spectroscopy</subject><subject>X-ray 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Collection</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental science and pollution research international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Du, Yabo</au><au>Wen, Yeqian</au><au>Fan, Hongxian</au><au>Qi, Jian</au><au>Zhang, Songmei</au><au>Li, Gang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Elimination of Cr(VI) from chromium slag with poplar lignin by electrochemical treatment in sulfuric acid solution</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><addtitle>Environ Sci Pollut Res Int</addtitle><date>2020-08-01</date><risdate>2020</risdate><volume>27</volume><issue>23</issue><spage>29441</spage><epage>29450</epage><pages>29441-29450</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>In this paper, we proposed a novel method to eliminate nocuous Cr(VI) from chromium slag with poplar lignin by electrochemical treatment in sulfuric acid solution. In this electrochemical process, self-made Ti/SnO
2
-Sb anode and graphite cathode were applied, and the oxidative degradation of lignin proceeded simultaneously with the reduction of Cr(VI) in one pot. The influences of pivotal factors on electrocatalytic redox efficiency were investigated, such as chromium slag concentration, lignin concentration, current density, sulfuric acid concentration, and reaction time. The results showed that the elimination rate of Cr(VI) in chromium slag was 97.16 ± 1.13% and the total yield of lignin degradation products reached 93.78 g/kg lignin under the optimal conditions. X-ray photoelectron spectroscopy (XPS), energy dispersive X-ray spectroscopy (EDS), and UV-visible spectrophotometer studies confirmed that most of the Cr(VI) ions were reduced to Cr(III) ions with the aid of lignin, and a small amount of Cr(VI) ions were adsorbed by lignin residue. Importantly, this method provides a typical example of “waste control by waste”, which is treating waste chromium slag with waste lignin that can be an effective way to eliminate Cr(VI).</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>32436097</pmid><doi>10.1007/s11356-020-09289-9</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-8352-3290</orcidid></addata></record> |
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| subjects | Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Chemical treatment Chromium Degradation Degradation products Earth and Environmental Science Ecotoxicology Electrochemistry Environment Environmental Chemistry Environmental Health Environmental science Ions Lignin Photoelectron spectroscopy Photoelectrons Poplar Reaction time Research Article Slag Spectrum analysis Sulfuric acid Tin dioxide Waste treatment Waste Water Technology Water Management Water Pollution Control X ray photoelectron spectroscopy X-ray spectroscopy |
| title | Elimination of Cr(VI) from chromium slag with poplar lignin by electrochemical treatment in sulfuric acid solution |
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