ZnO assisted photocatalytic degradation of acridine orange in aqueous solution using visible irradiation
A detailed investigation of photocatalytic degradation of the dye, acridine orange, has been carried out in aqueous heterogeneous medium containing ZnO as photocatalyst in a batch reactor. Visible light in the absence of ZnO has negligible effect on degradation. The disappearance of the dye, monitor...
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creator | Pare, Brijesh Jonnalagadda, S.B. Tomar, Hitendra Singh, Pardeep Bhagwat, V.W. |
description | A detailed investigation of photocatalytic degradation of the dye, acridine orange, has been carried out in aqueous heterogeneous medium containing ZnO as photocatalyst in a batch reactor. Visible light in the absence of ZnO has negligible effect on degradation. The disappearance of the dye, monitored spectrophotometrically, follows approximately pseudo-first order kinetics according to the Langmuir–Hinshelwood model. The total degradation of dye was tested using the chemical oxygen demand (COD) method. The addition of an optimal amount of hydrogen peroxide and potassium persulphate increases the degradation rate while NaCl and Na
2CO
3 decreases. The effect of addition of cationic and anionic surfactants has also been investigated. Bubbling of nitrogen in the reaction solution decreases the reaction rate. ZnO has been found experimentally to be a highly efficient photocatalyst for the degradation of acridine orange dye and hence there is a great potential in the treatment of organic pollutants such as dyes. |
doi_str_mv | 10.1016/j.desal.2008.01.007 |
format | Article |
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2CO
3 decreases. The effect of addition of cationic and anionic surfactants has also been investigated. Bubbling of nitrogen in the reaction solution decreases the reaction rate. ZnO has been found experimentally to be a highly efficient photocatalyst for the degradation of acridine orange dye and hence there is a great potential in the treatment of organic pollutants such as dyes.</description><identifier>ISSN: 0011-9164</identifier><identifier>EISSN: 1873-4464</identifier><identifier>DOI: 10.1016/j.desal.2008.01.007</identifier><identifier>CODEN: DSLNAH</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Acridine orange ; Applied sciences ; Catalysis ; Catalytic reactions ; Chemical engineering ; Chemistry ; Exact sciences and technology ; General and physical chemistry ; Mineralization ; Photocatalytic degradation ; Pollution ; Reactors ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry ; Zinc oxide</subject><ispartof>Desalination, 2008-11, Vol.232 (1), p.80-90</ispartof><rights>2008</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c461t-f841848b8ffbdeb5b8c386469af4fa466274f52a88063fe6affcfffa77990a123</citedby><cites>FETCH-LOGICAL-c461t-f841848b8ffbdeb5b8c386469af4fa466274f52a88063fe6affcfffa77990a123</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.desal.2008.01.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3550,23930,23931,25140,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20923260$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Pare, Brijesh</creatorcontrib><creatorcontrib>Jonnalagadda, S.B.</creatorcontrib><creatorcontrib>Tomar, Hitendra</creatorcontrib><creatorcontrib>Singh, Pardeep</creatorcontrib><creatorcontrib>Bhagwat, V.W.</creatorcontrib><title>ZnO assisted photocatalytic degradation of acridine orange in aqueous solution using visible irradiation</title><title>Desalination</title><description>A detailed investigation of photocatalytic degradation of the dye, acridine orange, has been carried out in aqueous heterogeneous medium containing ZnO as photocatalyst in a batch reactor. Visible light in the absence of ZnO has negligible effect on degradation. The disappearance of the dye, monitored spectrophotometrically, follows approximately pseudo-first order kinetics according to the Langmuir–Hinshelwood model. The total degradation of dye was tested using the chemical oxygen demand (COD) method. The addition of an optimal amount of hydrogen peroxide and potassium persulphate increases the degradation rate while NaCl and Na
2CO
3 decreases. The effect of addition of cationic and anionic surfactants has also been investigated. Bubbling of nitrogen in the reaction solution decreases the reaction rate. ZnO has been found experimentally to be a highly efficient photocatalyst for the degradation of acridine orange dye and hence there is a great potential in the treatment of organic pollutants such as dyes.</description><subject>Acridine orange</subject><subject>Applied sciences</subject><subject>Catalysis</subject><subject>Catalytic reactions</subject><subject>Chemical engineering</subject><subject>Chemistry</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Mineralization</subject><subject>Photocatalytic degradation</subject><subject>Pollution</subject><subject>Reactors</subject><subject>Theory of reactions, general kinetics. Catalysis. 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Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><topic>Zinc oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pare, Brijesh</creatorcontrib><creatorcontrib>Jonnalagadda, S.B.</creatorcontrib><creatorcontrib>Tomar, Hitendra</creatorcontrib><creatorcontrib>Singh, Pardeep</creatorcontrib><creatorcontrib>Bhagwat, V.W.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><jtitle>Desalination</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pare, Brijesh</au><au>Jonnalagadda, S.B.</au><au>Tomar, Hitendra</au><au>Singh, Pardeep</au><au>Bhagwat, V.W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ZnO assisted photocatalytic degradation of acridine orange in aqueous solution using visible irradiation</atitle><jtitle>Desalination</jtitle><date>2008-11-30</date><risdate>2008</risdate><volume>232</volume><issue>1</issue><spage>80</spage><epage>90</epage><pages>80-90</pages><issn>0011-9164</issn><eissn>1873-4464</eissn><coden>DSLNAH</coden><abstract>A detailed investigation of photocatalytic degradation of the dye, acridine orange, has been carried out in aqueous heterogeneous medium containing ZnO as photocatalyst in a batch reactor. Visible light in the absence of ZnO has negligible effect on degradation. The disappearance of the dye, monitored spectrophotometrically, follows approximately pseudo-first order kinetics according to the Langmuir–Hinshelwood model. The total degradation of dye was tested using the chemical oxygen demand (COD) method. The addition of an optimal amount of hydrogen peroxide and potassium persulphate increases the degradation rate while NaCl and Na
2CO
3 decreases. The effect of addition of cationic and anionic surfactants has also been investigated. Bubbling of nitrogen in the reaction solution decreases the reaction rate. ZnO has been found experimentally to be a highly efficient photocatalyst for the degradation of acridine orange dye and hence there is a great potential in the treatment of organic pollutants such as dyes.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.desal.2008.01.007</doi><tpages>11</tpages></addata></record> |
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subjects | Acridine orange Applied sciences Catalysis Catalytic reactions Chemical engineering Chemistry Exact sciences and technology General and physical chemistry Mineralization Photocatalytic degradation Pollution Reactors Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Zinc oxide |
title | ZnO assisted photocatalytic degradation of acridine orange in aqueous solution using visible irradiation |
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