Augmentation of biodegradability of pulp and paper industry wastewater by electrochemical pre-treatment and optimization by RSM
Biological treatment of pulp and paper industry wastewater is made effective by giving a simple electrochemical pre-treatment. Biodegradability index is found to be improved from 0.11 to 0.46 by a short (6.9 min) treatment in mild conditions (current density: 112.9 A m −2, pH 7.3). The optimal opera...
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| Veröffentlicht in: | Separation and purification technology 2009-09, Vol.69 (1), p.109-117 |
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| container_title | Separation and purification technology |
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| creator | Soloman, P.A. Ahmed Basha, C. Velan, M. Balasubramanian, N. Marimuthu, P. |
| description | Biological treatment of pulp and paper industry wastewater is made effective by giving a simple electrochemical pre-treatment. Biodegradability index is found to be improved from 0.11 to 0.46 by a short (6.9
min) treatment in mild conditions (current density: 112.9
A
m
−2, pH 7.3). The optimal operating point for maximum biodegradability has been found out using response surface methodology (RSM). It is also noticed that there exists an optimal operating point for maximum biodegradability. The specific energy consumption and current efficiency figures at the optimal condition are also promising. Moreover there is considerable reduction in the pollutant load (COD removal: 55% and color removal: 87%). Performance of the process at this operating point has been validated by running biological treatment. Considerable reduction in the requirement of biological reactor volume can be expected by giving such a simple electrochemical pre-treatment. |
| doi_str_mv | 10.1016/j.seppur.2009.07.002 |
| format | Article |
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min) treatment in mild conditions (current density: 112.9
A
m
−2, pH 7.3). The optimal operating point for maximum biodegradability has been found out using response surface methodology (RSM). It is also noticed that there exists an optimal operating point for maximum biodegradability. The specific energy consumption and current efficiency figures at the optimal condition are also promising. Moreover there is considerable reduction in the pollutant load (COD removal: 55% and color removal: 87%). Performance of the process at this operating point has been validated by running biological treatment. Considerable reduction in the requirement of biological reactor volume can be expected by giving such a simple electrochemical pre-treatment.</description><identifier>ISSN: 1383-5866</identifier><identifier>EISSN: 1873-3794</identifier><identifier>DOI: 10.1016/j.seppur.2009.07.002</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Applied sciences ; Biodegradability ; Biological ; Biological and medical sciences ; Biotechnology ; Chemical engineering ; COD removal ; Crack opening displacement ; Current density ; Electrochemical pre-treatment ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; General purification processes ; Methods. Procedures. Technologies ; Optimization ; Others ; Pollution ; Pulp and paper wastewater ; Reactors ; Reduction ; Response surface methodology ; Various methods and equipments ; Waste water ; Wastewaters ; Water treatment and pollution</subject><ispartof>Separation and purification technology, 2009-09, Vol.69 (1), p.109-117</ispartof><rights>2009 Elsevier B.V.</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c398t-21c033da11f35288611705595cc4c998c644b73b96dec9bb69a48f32888da15e3</citedby><cites>FETCH-LOGICAL-c398t-21c033da11f35288611705595cc4c998c644b73b96dec9bb69a48f32888da15e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.seppur.2009.07.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21929323$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Soloman, P.A.</creatorcontrib><creatorcontrib>Ahmed Basha, C.</creatorcontrib><creatorcontrib>Velan, M.</creatorcontrib><creatorcontrib>Balasubramanian, N.</creatorcontrib><creatorcontrib>Marimuthu, P.</creatorcontrib><title>Augmentation of biodegradability of pulp and paper industry wastewater by electrochemical pre-treatment and optimization by RSM</title><title>Separation and purification technology</title><description>Biological treatment of pulp and paper industry wastewater is made effective by giving a simple electrochemical pre-treatment. Biodegradability index is found to be improved from 0.11 to 0.46 by a short (6.9
min) treatment in mild conditions (current density: 112.9
A
m
−2, pH 7.3). The optimal operating point for maximum biodegradability has been found out using response surface methodology (RSM). It is also noticed that there exists an optimal operating point for maximum biodegradability. The specific energy consumption and current efficiency figures at the optimal condition are also promising. Moreover there is considerable reduction in the pollutant load (COD removal: 55% and color removal: 87%). Performance of the process at this operating point has been validated by running biological treatment. Considerable reduction in the requirement of biological reactor volume can be expected by giving such a simple electrochemical pre-treatment.</description><subject>Applied sciences</subject><subject>Biodegradability</subject><subject>Biological</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>Chemical engineering</subject><subject>COD removal</subject><subject>Crack opening displacement</subject><subject>Current density</subject><subject>Electrochemical pre-treatment</subject><subject>Exact sciences and technology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General purification processes</subject><subject>Methods. Procedures. Technologies</subject><subject>Optimization</subject><subject>Others</subject><subject>Pollution</subject><subject>Pulp and paper wastewater</subject><subject>Reactors</subject><subject>Reduction</subject><subject>Response surface methodology</subject><subject>Various methods and equipments</subject><subject>Waste water</subject><subject>Wastewaters</subject><subject>Water treatment and pollution</subject><issn>1383-5866</issn><issn>1873-3794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkU9P3DAQxaOqSKVLv0EPuZRbgv8ksX2phBAUJBAShbPlOJOtV0ns2g5oe-Gr1yErju1pRqPfeyO9l2VfMSoxws3Zrgzg3OxLgpAoESsRIh-yY8wZLSgT1ce0U06LmjfNp-xzCDuEMMOcHGev5_N2hCmqaOyU2z5vje1g61WnWjOYuF9ubh5crqYud8qBz83UzSH6ff6iQoQXFdOt3ecwgI7e6l8wGq2G3HkoogcVF_83uXXRjObP-ispHn7enWRHvRoCfDnMTfZ0dfl4cV3c3v-4uTi_LTQVPBYEa0RppzDuaU04bzBmqK5FrXWlheC6qaqW0VY0HWjRto1QFe9pInkS1UA32enq67z9PUOIcjRBwzCoCewcJK1YjTmt_wsSxDhHaAGrFdTehuChl86bUfm9xEgutcidXGuRSy0SMZlqSbJvB38VUkq9V5M24V1LsCCCEpq47ysHKZVnA14GbWDS0BmfcpadNf9-9BfKmKeU</recordid><startdate>20090915</startdate><enddate>20090915</enddate><creator>Soloman, P.A.</creator><creator>Ahmed Basha, C.</creator><creator>Velan, M.</creator><creator>Balasubramanian, N.</creator><creator>Marimuthu, P.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20090915</creationdate><title>Augmentation of biodegradability of pulp and paper industry wastewater by electrochemical pre-treatment and optimization by RSM</title><author>Soloman, P.A. ; Ahmed Basha, C. ; Velan, M. ; Balasubramanian, N. ; Marimuthu, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c398t-21c033da11f35288611705595cc4c998c644b73b96dec9bb69a48f32888da15e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>Biodegradability</topic><topic>Biological</topic><topic>Biological and medical sciences</topic><topic>Biotechnology</topic><topic>Chemical engineering</topic><topic>COD removal</topic><topic>Crack opening displacement</topic><topic>Current density</topic><topic>Electrochemical pre-treatment</topic><topic>Exact sciences and technology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General purification processes</topic><topic>Methods. Procedures. Technologies</topic><topic>Optimization</topic><topic>Others</topic><topic>Pollution</topic><topic>Pulp and paper wastewater</topic><topic>Reactors</topic><topic>Reduction</topic><topic>Response surface methodology</topic><topic>Various methods and equipments</topic><topic>Waste water</topic><topic>Wastewaters</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Soloman, P.A.</creatorcontrib><creatorcontrib>Ahmed Basha, C.</creatorcontrib><creatorcontrib>Velan, M.</creatorcontrib><creatorcontrib>Balasubramanian, N.</creatorcontrib><creatorcontrib>Marimuthu, P.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Separation and purification technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Soloman, P.A.</au><au>Ahmed Basha, C.</au><au>Velan, M.</au><au>Balasubramanian, N.</au><au>Marimuthu, P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Augmentation of biodegradability of pulp and paper industry wastewater by electrochemical pre-treatment and optimization by RSM</atitle><jtitle>Separation and purification technology</jtitle><date>2009-09-15</date><risdate>2009</risdate><volume>69</volume><issue>1</issue><spage>109</spage><epage>117</epage><pages>109-117</pages><issn>1383-5866</issn><eissn>1873-3794</eissn><abstract>Biological treatment of pulp and paper industry wastewater is made effective by giving a simple electrochemical pre-treatment. Biodegradability index is found to be improved from 0.11 to 0.46 by a short (6.9
min) treatment in mild conditions (current density: 112.9
A
m
−2, pH 7.3). The optimal operating point for maximum biodegradability has been found out using response surface methodology (RSM). It is also noticed that there exists an optimal operating point for maximum biodegradability. The specific energy consumption and current efficiency figures at the optimal condition are also promising. Moreover there is considerable reduction in the pollutant load (COD removal: 55% and color removal: 87%). Performance of the process at this operating point has been validated by running biological treatment. Considerable reduction in the requirement of biological reactor volume can be expected by giving such a simple electrochemical pre-treatment.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.seppur.2009.07.002</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1383-5866 |
| ispartof | Separation and purification technology, 2009-09, Vol.69 (1), p.109-117 |
| issn | 1383-5866 1873-3794 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Biodegradability Biological Biological and medical sciences Biotechnology Chemical engineering COD removal Crack opening displacement Current density Electrochemical pre-treatment Exact sciences and technology Fundamental and applied biological sciences. Psychology General purification processes Methods. Procedures. Technologies Optimization Others Pollution Pulp and paper wastewater Reactors Reduction Response surface methodology Various methods and equipments Waste water Wastewaters Water treatment and pollution |
| title | Augmentation of biodegradability of pulp and paper industry wastewater by electrochemical pre-treatment and optimization by RSM |
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