Electrochemical treatment of pharmaceutical azo dye amaranth from waste water
The electrochemical behavior of pharmaceutical azo dye amaranth has been investigated in distilled water and Britton–Robinson buffer. One well-defined irreversible cathodic peak is observed. This may be attributed to the reduction of the –N=N– group. Calculation of the number of electrons transferre...
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| Veröffentlicht in: | Journal of applied electrochemistry 2009-05, Vol.39 (5), p.577-582 |
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| container_title | Journal of applied electrochemistry |
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| creator | Jain, Rajeev Sharma, Nidhi Radhapyari, Keisham |
| description | The electrochemical behavior of pharmaceutical azo dye amaranth has been investigated in distilled water and Britton–Robinson buffer. One well-defined irreversible cathodic peak is observed. This may be attributed to the reduction of the –N=N– group. Calculation of the number of electrons transferred in the reduction process has been performed and a reduction mechanism proposed. Results indicate that the electrode process is diffusion controlled. The cathodic peak in the case of controlled potential electrolysis is found to reduce substantially with a decrease in color and absorbance. The reaction has first order kinetics with
k
value 5.75 × 10
−2
abs min
−1
. The efficiency of different electrode materials (platinum and steel) for decolorisation is compared. Chemical oxygen demand (COD) decreases substantially from 2,680 to 96 ppm at platinum and to 142 ppm at steel. This translates to 97% COD removal at platinum and 95% at steel. |
| doi_str_mv | 10.1007/s10800-008-9695-z |
| format | Article |
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k
value 5.75 × 10
−2
abs min
−1
. The efficiency of different electrode materials (platinum and steel) for decolorisation is compared. Chemical oxygen demand (COD) decreases substantially from 2,680 to 96 ppm at platinum and to 142 ppm at steel. This translates to 97% COD removal at platinum and 95% at steel.</description><identifier>ISSN: 0021-891X</identifier><identifier>EISSN: 1572-8838</identifier><identifier>DOI: 10.1007/s10800-008-9695-z</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Chemistry ; Chemistry and Materials Science ; Electrochemistry ; Industrial Chemistry/Chemical Engineering ; Original Paper ; Physical Chemistry</subject><ispartof>Journal of applied electrochemistry, 2009-05, Vol.39 (5), p.577-582</ispartof><rights>Springer Science+Business Media B.V. 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-3822113457a029ea9ceda90224dcda46a0254451178112c26384f609e93270a23</citedby><cites>FETCH-LOGICAL-c319t-3822113457a029ea9ceda90224dcda46a0254451178112c26384f609e93270a23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10800-008-9695-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10800-008-9695-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Jain, Rajeev</creatorcontrib><creatorcontrib>Sharma, Nidhi</creatorcontrib><creatorcontrib>Radhapyari, Keisham</creatorcontrib><title>Electrochemical treatment of pharmaceutical azo dye amaranth from waste water</title><title>Journal of applied electrochemistry</title><addtitle>J Appl Electrochem</addtitle><description>The electrochemical behavior of pharmaceutical azo dye amaranth has been investigated in distilled water and Britton–Robinson buffer. One well-defined irreversible cathodic peak is observed. This may be attributed to the reduction of the –N=N– group. Calculation of the number of electrons transferred in the reduction process has been performed and a reduction mechanism proposed. Results indicate that the electrode process is diffusion controlled. The cathodic peak in the case of controlled potential electrolysis is found to reduce substantially with a decrease in color and absorbance. The reaction has first order kinetics with
k
value 5.75 × 10
−2
abs min
−1
. The efficiency of different electrode materials (platinum and steel) for decolorisation is compared. Chemical oxygen demand (COD) decreases substantially from 2,680 to 96 ppm at platinum and to 142 ppm at steel. This translates to 97% COD removal at platinum and 95% at steel.</description><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Electrochemistry</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Original Paper</subject><subject>Physical Chemistry</subject><issn>0021-891X</issn><issn>1572-8838</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNp9kMtOwzAQRS0EEqXwAeyyYmcYP5LYS1SVh1TEBiR2luVMaKskLrYj1H49LmHNZkaauXd05xByzeCWAdR3kYECoACK6kqX9HBCZqysOVVKqFMyA-CMKs0-zslFjFsA0LySM_Ky7NCl4N0a-42zXZEC2tTjkArfFru1Db11OKbfnT34otljYXsb7JDWRRt8X3zbmDDXhOGSnLW2i3j11-fk_WH5tniiq9fH58X9ijrBdKJCcc6YkGVtgWu02mFjNXAuG9dYWeVpKWXJWK0Y445XQsm2Ao1a8BosF3NyM93dBf81Ykym30SHXWcH9GM0QnLBFNRZyCahCz7GgK3ZhU1OvzcMzBGcmcCZDM4cwZlD9vDJE7N2-MRgtn4MQ_7nH9MPMedwxg</recordid><startdate>20090501</startdate><enddate>20090501</enddate><creator>Jain, Rajeev</creator><creator>Sharma, Nidhi</creator><creator>Radhapyari, Keisham</creator><general>Springer Netherlands</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20090501</creationdate><title>Electrochemical treatment of pharmaceutical azo dye amaranth from waste water</title><author>Jain, Rajeev ; Sharma, Nidhi ; Radhapyari, Keisham</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-3822113457a029ea9ceda90224dcda46a0254451178112c26384f609e93270a23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Electrochemistry</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Original Paper</topic><topic>Physical Chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jain, Rajeev</creatorcontrib><creatorcontrib>Sharma, Nidhi</creatorcontrib><creatorcontrib>Radhapyari, Keisham</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied electrochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jain, Rajeev</au><au>Sharma, Nidhi</au><au>Radhapyari, Keisham</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrochemical treatment of pharmaceutical azo dye amaranth from waste water</atitle><jtitle>Journal of applied electrochemistry</jtitle><stitle>J Appl Electrochem</stitle><date>2009-05-01</date><risdate>2009</risdate><volume>39</volume><issue>5</issue><spage>577</spage><epage>582</epage><pages>577-582</pages><issn>0021-891X</issn><eissn>1572-8838</eissn><abstract>The electrochemical behavior of pharmaceutical azo dye amaranth has been investigated in distilled water and Britton–Robinson buffer. One well-defined irreversible cathodic peak is observed. This may be attributed to the reduction of the –N=N– group. Calculation of the number of electrons transferred in the reduction process has been performed and a reduction mechanism proposed. Results indicate that the electrode process is diffusion controlled. The cathodic peak in the case of controlled potential electrolysis is found to reduce substantially with a decrease in color and absorbance. The reaction has first order kinetics with
k
value 5.75 × 10
−2
abs min
−1
. The efficiency of different electrode materials (platinum and steel) for decolorisation is compared. Chemical oxygen demand (COD) decreases substantially from 2,680 to 96 ppm at platinum and to 142 ppm at steel. This translates to 97% COD removal at platinum and 95% at steel.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10800-008-9695-z</doi><tpages>6</tpages></addata></record> |
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| subjects | Chemistry Chemistry and Materials Science Electrochemistry Industrial Chemistry/Chemical Engineering Original Paper Physical Chemistry |
| title | Electrochemical treatment of pharmaceutical azo dye amaranth from waste water |
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