Removal of hexavalent chromium from aqueous solution by adsorption on treated sugarcane bagasse using response surface methodological approach
In the present study, effect of adsorbent dose, pH and agitation speed on the removal of chromium from aqueous medium using an agricultural waste biomass (sugarcane bagasse treated with succinic acid) has been investigated. Batch mode experiments were carried out to assess the adsorption equilibrium...
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| Veröffentlicht in: | Desalination 2009-12, Vol.249 (2), p.475-479 |
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| creator | Garg, Umesh K. Kaur, M.P. Sud, Dhiraj Garg, V.K. |
| description | In the present study, effect of adsorbent dose, pH and agitation speed on the removal of chromium from aqueous medium using an agricultural waste biomass (sugarcane bagasse treated with succinic acid) has been investigated. Batch mode experiments were carried out to assess the adsorption equilibrium. The influence of three parameters on the removal of chromium was examined using a response surface methodological approach. The Central Composite Face-Centered Experimental Design in Response Surface Methodology (RSM) by Design Expert Version 6.0.10 (Stat Ease, USA) was used for designing the experiments as well as for full response surface estimation and 20 trials as per the model were run. The optimum conditions for maximum removal of chromium from an aqueous solution of 50
mg/L were as follows: adsorbent dose (20 g/L), pH (2.0) and stirring speed (250
rpm). This was evidenced by the higher value of coefficient of determination (
r
2
=
0.9873). |
| doi_str_mv | 10.1016/j.desal.2008.10.025 |
| format | Article |
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mg/L were as follows: adsorbent dose (20 g/L), pH (2.0) and stirring speed (250
rpm). This was evidenced by the higher value of coefficient of determination (
r
2
=
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mg/L were as follows: adsorbent dose (20 g/L), pH (2.0) and stirring speed (250
rpm). This was evidenced by the higher value of coefficient of determination (
r
2
=
0.9873).</description><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Agriculture, rearing and food industries wastes</subject><subject>Applied sciences</subject><subject>Bagasse</subject><subject>Central composite face-centered design (CCFD)</subject><subject>Chemical engineering</subject><subject>Chromium</subject><subject>Chromium (Cr)</subject><subject>Exact sciences and technology</subject><subject>Mathematical models</subject><subject>Pollution</subject><subject>Response surfaces</subject><subject>Succinic acid</subject><subject>Surface chemistry</subject><subject>Treated sugarcane bagasse (TSCB)</subject><subject>Wastes</subject><issn>0011-9164</issn><issn>1873-4464</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFUU2P0zAQtRBIlMIv4OIL3Nr1R-IkBw5oxQLSSkgIztbEHreukjh4khX7J_jNuNsVx0WyPH6jNzOe9xh7K8VeCmmuTnuPBMNeCdGWzF6o-hnbyLbRu6oy1XO2EULKXSdN9ZK9IjoVqDqtN-zPdxzTHQw8BX7E31CeOC3cHXMa4zryUCKHXyumlTilYV1imnh_z8FTyvMDKmfJCAt6TusBsoMJeQ8HIEK-UpwOPCPNaSqQ1hzAIR9xOSafhnSIrkyHec4J3PE1exFgIHzzGLfs582nH9dfdrffPn-9_ni7c7qrl51X4FH0XR86Xy6ojfEmNKKpjBTQGqNFi13T11jr3qhQRGqgEaYyiKHyWm_Z-0vfMrYsR4sdIzkchvL1sqnVtdCqEt1_iUqKVjdF6C3TF6LLiShjsHOOI-R7K4U9m2RP9sEkezbpnCwmlap3j-2Big4hw-Qi_StVSqpaGFF4Hy48LKLcRcyWXMTJoY8Z3WJ9ik_O-QtBpKy7</recordid><startdate>20091215</startdate><enddate>20091215</enddate><creator>Garg, Umesh K.</creator><creator>Kaur, M.P.</creator><creator>Sud, Dhiraj</creator><creator>Garg, V.K.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SU</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20091215</creationdate><title>Removal of hexavalent chromium from aqueous solution by adsorption on treated sugarcane bagasse using response surface methodological approach</title><author>Garg, Umesh K. ; Kaur, M.P. ; Sud, Dhiraj ; Garg, V.K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c395t-d2ade0b9bf9d9bfa566d6f7074610a866308e97b5e53b62f1017a70646eef4d33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Adsorbents</topic><topic>Adsorption</topic><topic>Agriculture, rearing and food industries wastes</topic><topic>Applied sciences</topic><topic>Bagasse</topic><topic>Central composite face-centered design (CCFD)</topic><topic>Chemical engineering</topic><topic>Chromium</topic><topic>Chromium (Cr)</topic><topic>Exact sciences and technology</topic><topic>Mathematical models</topic><topic>Pollution</topic><topic>Response surfaces</topic><topic>Succinic acid</topic><topic>Surface chemistry</topic><topic>Treated sugarcane bagasse (TSCB)</topic><topic>Wastes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Garg, Umesh K.</creatorcontrib><creatorcontrib>Kaur, M.P.</creatorcontrib><creatorcontrib>Sud, Dhiraj</creatorcontrib><creatorcontrib>Garg, V.K.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environmental Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Desalination</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Garg, Umesh K.</au><au>Kaur, M.P.</au><au>Sud, Dhiraj</au><au>Garg, V.K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Removal of hexavalent chromium from aqueous solution by adsorption on treated sugarcane bagasse using response surface methodological approach</atitle><jtitle>Desalination</jtitle><date>2009-12-15</date><risdate>2009</risdate><volume>249</volume><issue>2</issue><spage>475</spage><epage>479</epage><pages>475-479</pages><issn>0011-9164</issn><eissn>1873-4464</eissn><coden>DSLNAH</coden><abstract>In the present study, effect of adsorbent dose, pH and agitation speed on the removal of chromium from aqueous medium using an agricultural waste biomass (sugarcane bagasse treated with succinic acid) has been investigated. Batch mode experiments were carried out to assess the adsorption equilibrium. The influence of three parameters on the removal of chromium was examined using a response surface methodological approach. The Central Composite Face-Centered Experimental Design in Response Surface Methodology (RSM) by Design Expert Version 6.0.10 (Stat Ease, USA) was used for designing the experiments as well as for full response surface estimation and 20 trials as per the model were run. The optimum conditions for maximum removal of chromium from an aqueous solution of 50
mg/L were as follows: adsorbent dose (20 g/L), pH (2.0) and stirring speed (250
rpm). This was evidenced by the higher value of coefficient of determination (
r
2
=
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| subjects | Adsorbents Adsorption Agriculture, rearing and food industries wastes Applied sciences Bagasse Central composite face-centered design (CCFD) Chemical engineering Chromium Chromium (Cr) Exact sciences and technology Mathematical models Pollution Response surfaces Succinic acid Surface chemistry Treated sugarcane bagasse (TSCB) Wastes |
| title | Removal of hexavalent chromium from aqueous solution by adsorption on treated sugarcane bagasse using response surface methodological approach |
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