Adsorption Removal of Cr(VI) with Activated Carbon Prepared by Co-pyrolysis of Rice Straw and Sewage Sludge with ZnCl2 Activation
In the study, an activated carbon was prepared by co-pyrolyzing rice straw and sewage sludge with ZnCl 2 activation (SS-RS AC) and used to remove Cr(VI) from wastewater. Firstly, for the preparation of SS-RS AC, the yield and iodine number were used to determine the appropriate addition percentage o...
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| creator | Fan, Liangqian Wan, Wenxin Wang, Xianda Cai, Jie Chen, Fenghui Chen, Wei Ji, Lin Luo, Hongbing Cheng, Lin |
| description | In the study, an activated carbon was prepared by co-pyrolyzing rice straw and sewage sludge with ZnCl
2
activation (SS-RS AC) and used to remove Cr(VI) from wastewater. Firstly, for the preparation of SS-RS AC, the yield and iodine number were used to determine the appropriate addition percentage of rice straw. Then, a series of batch experiments including initial pH, adsorption kinetics and isotherms, and ionic strength as well as Fourier transform infrared (FT-IR) analysis of SS-RS AC before and after adsorption were performed to explore the Cr(VI) adsorption removal behavior and mechanism of SS-RS AC prepared from sewage sludge with the appropriate rice straw addition percentage. The results showed that the appropriate addition percentage of rice straw was 20%. For the Cr(VI) adsorption removal with SS-RS AC, the initial pH of solution significantly influenced the removal efficient. The highest efficiency of Cr(VI) adsorption removal (97.7%) could be attained at pH 2.0. The adsorption kinetics and isotherm data were best fitted by the pseudo-second-order model and the Langmuir-Freundlich model, respectively. The prepared SS-RS AC had the maximum Cr(VI) adsorption removal capacity of 138.69 mg/g at 40 °C. The main mechanisms for the Cr(VI) removal with SS-RS AC involve the electrostatic attraction and the reduction of Cr(VI). Carboxy, amine, and hydroxyl groups were found to act as electron donor groups, contributing to the reduction of Cr(VI). The ionic strength had an adverse effect on the Cr(VI) removal. Overall, the prepared SS-RS AC can be used as an alternative and low-cost adsorbent for the removal of Cr(VI). |
| doi_str_mv | 10.1007/s11270-019-4305-8 |
| format | Article |
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2
activation (SS-RS AC) and used to remove Cr(VI) from wastewater. Firstly, for the preparation of SS-RS AC, the yield and iodine number were used to determine the appropriate addition percentage of rice straw. Then, a series of batch experiments including initial pH, adsorption kinetics and isotherms, and ionic strength as well as Fourier transform infrared (FT-IR) analysis of SS-RS AC before and after adsorption were performed to explore the Cr(VI) adsorption removal behavior and mechanism of SS-RS AC prepared from sewage sludge with the appropriate rice straw addition percentage. The results showed that the appropriate addition percentage of rice straw was 20%. For the Cr(VI) adsorption removal with SS-RS AC, the initial pH of solution significantly influenced the removal efficient. The highest efficiency of Cr(VI) adsorption removal (97.7%) could be attained at pH 2.0. The adsorption kinetics and isotherm data were best fitted by the pseudo-second-order model and the Langmuir-Freundlich model, respectively. The prepared SS-RS AC had the maximum Cr(VI) adsorption removal capacity of 138.69 mg/g at 40 °C. The main mechanisms for the Cr(VI) removal with SS-RS AC involve the electrostatic attraction and the reduction of Cr(VI). Carboxy, amine, and hydroxyl groups were found to act as electron donor groups, contributing to the reduction of Cr(VI). The ionic strength had an adverse effect on the Cr(VI) removal. Overall, the prepared SS-RS AC can be used as an alternative and low-cost adsorbent for the removal of Cr(VI).</description><identifier>ISSN: 0049-6979</identifier><identifier>EISSN: 1573-2932</identifier><identifier>DOI: 10.1007/s11270-019-4305-8</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Activated carbon ; Activated sludge ; Activation ; Adsorption ; Amines ; Atmospheric Protection/Air Quality Control/Air Pollution ; Chromium ; Climate Change/Climate Change Impacts ; Earth and Environmental Science ; Electrons ; Environment ; Environmental monitoring ; Fourier transforms ; Hydrogeology ; Hydroxyl groups ; Infrared analysis ; Iodine ; Ionic strength ; Isotherms ; Kinetics ; pH effects ; Pyrolysis ; Reduction ; Removal ; Rice ; Rice straw ; Sewage ; Sewage sludge ; Sludge ; Soil Science & Conservation ; Straw ; Wastewater ; Water Quality/Water Pollution ; Zinc chloride</subject><ispartof>Water, air, and soil pollution, 2019-10, Vol.230 (10), p.1-13, Article 233</ispartof><rights>Springer Nature Switzerland AG 2019</rights><rights>Water, Air, & Soil Pollution is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-c051694f6096900bc690050426f7c02aa70a70f94b61c85210e8b007fed70b0a3</citedby><cites>FETCH-LOGICAL-c316t-c051694f6096900bc690050426f7c02aa70a70f94b61c85210e8b007fed70b0a3</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/s11270-019-4305-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11270-019-4305-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Fan, Liangqian</creatorcontrib><creatorcontrib>Wan, Wenxin</creatorcontrib><creatorcontrib>Wang, Xianda</creatorcontrib><creatorcontrib>Cai, Jie</creatorcontrib><creatorcontrib>Chen, Fenghui</creatorcontrib><creatorcontrib>Chen, Wei</creatorcontrib><creatorcontrib>Ji, Lin</creatorcontrib><creatorcontrib>Luo, Hongbing</creatorcontrib><creatorcontrib>Cheng, Lin</creatorcontrib><title>Adsorption Removal of Cr(VI) with Activated Carbon Prepared by Co-pyrolysis of Rice Straw and Sewage Sludge with ZnCl2 Activation</title><title>Water, air, and soil pollution</title><addtitle>Water Air Soil Pollut</addtitle><description>In the study, an activated carbon was prepared by co-pyrolyzing rice straw and sewage sludge with ZnCl
2
activation (SS-RS AC) and used to remove Cr(VI) from wastewater. Firstly, for the preparation of SS-RS AC, the yield and iodine number were used to determine the appropriate addition percentage of rice straw. Then, a series of batch experiments including initial pH, adsorption kinetics and isotherms, and ionic strength as well as Fourier transform infrared (FT-IR) analysis of SS-RS AC before and after adsorption were performed to explore the Cr(VI) adsorption removal behavior and mechanism of SS-RS AC prepared from sewage sludge with the appropriate rice straw addition percentage. The results showed that the appropriate addition percentage of rice straw was 20%. For the Cr(VI) adsorption removal with SS-RS AC, the initial pH of solution significantly influenced the removal efficient. The highest efficiency of Cr(VI) adsorption removal (97.7%) could be attained at pH 2.0. The adsorption kinetics and isotherm data were best fitted by the pseudo-second-order model and the Langmuir-Freundlich model, respectively. The prepared SS-RS AC had the maximum Cr(VI) adsorption removal capacity of 138.69 mg/g at 40 °C. The main mechanisms for the Cr(VI) removal with SS-RS AC involve the electrostatic attraction and the reduction of Cr(VI). Carboxy, amine, and hydroxyl groups were found to act as electron donor groups, contributing to the reduction of Cr(VI). The ionic strength had an adverse effect on the Cr(VI) removal. Overall, the prepared SS-RS AC can be used as an alternative and low-cost adsorbent for the removal of Cr(VI).</description><subject>Activated carbon</subject><subject>Activated sludge</subject><subject>Activation</subject><subject>Adsorption</subject><subject>Amines</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Chromium</subject><subject>Climate Change/Climate Change Impacts</subject><subject>Earth and Environmental Science</subject><subject>Electrons</subject><subject>Environment</subject><subject>Environmental monitoring</subject><subject>Fourier transforms</subject><subject>Hydrogeology</subject><subject>Hydroxyl groups</subject><subject>Infrared analysis</subject><subject>Iodine</subject><subject>Ionic strength</subject><subject>Isotherms</subject><subject>Kinetics</subject><subject>pH effects</subject><subject>Pyrolysis</subject><subject>Reduction</subject><subject>Removal</subject><subject>Rice</subject><subject>Rice straw</subject><subject>Sewage</subject><subject>Sewage sludge</subject><subject>Sludge</subject><subject>Soil Science & Conservation</subject><subject>Straw</subject><subject>Wastewater</subject><subject>Water Quality/Water Pollution</subject><subject>Zinc chloride</subject><issn>0049-6979</issn><issn>1573-2932</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE1LxDAQhoMouK7-AG8BL3qITtKPNMel-LGwoOyqBy8hbdO1S7epSXeXHv3npq7iyTBkmOF934EHoXMK1xSA3zhKGQcCVJAwgIgkB2hEIx4QJgJ2iEYAoSCx4OIYnTi3Av9Ewkfoc1I4Y9uuMg2e67XZqhqbEqf28nV6hXdV944neVdtVacLnCqbed2T1a2yfs56nBrS9tbUvavcYJxXucaLzqodVk2BF3qnln5RbwrfvuPemrRmv6H-7Ck6KlXt9NlPH6OXu9vn9IHMHu-n6WRG8oDGHckhorEIyxhELACyfPgjCFlc8hyYUhx8lSLMYponEaOgk8yTKXXBIQMVjNHFPre15mOjXSdXZmMbf1KyAHgAIcTUq-helVvjnNWlbG21VraXFORAWu5JS09aDqRl4j1s73Fe2yy1_Uv-3_QFNjB_iA</recordid><startdate>20191001</startdate><enddate>20191001</enddate><creator>Fan, Liangqian</creator><creator>Wan, Wenxin</creator><creator>Wang, Xianda</creator><creator>Cai, 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Removal of Cr(VI) with Activated Carbon Prepared by Co-pyrolysis of Rice Straw and Sewage Sludge with ZnCl2 Activation</title><author>Fan, Liangqian ; Wan, Wenxin ; Wang, Xianda ; Cai, Jie ; Chen, Fenghui ; Chen, Wei ; Ji, Lin ; Luo, Hongbing ; Cheng, Lin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-c051694f6096900bc690050426f7c02aa70a70f94b61c85210e8b007fed70b0a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Activated carbon</topic><topic>Activated sludge</topic><topic>Activation</topic><topic>Adsorption</topic><topic>Amines</topic><topic>Atmospheric Protection/Air Quality Control/Air Pollution</topic><topic>Chromium</topic><topic>Climate Change/Climate Change Impacts</topic><topic>Earth and Environmental Science</topic><topic>Electrons</topic><topic>Environment</topic><topic>Environmental monitoring</topic><topic>Fourier transforms</topic><topic>Hydrogeology</topic><topic>Hydroxyl groups</topic><topic>Infrared analysis</topic><topic>Iodine</topic><topic>Ionic strength</topic><topic>Isotherms</topic><topic>Kinetics</topic><topic>pH effects</topic><topic>Pyrolysis</topic><topic>Reduction</topic><topic>Removal</topic><topic>Rice</topic><topic>Rice straw</topic><topic>Sewage</topic><topic>Sewage sludge</topic><topic>Sludge</topic><topic>Soil Science & Conservation</topic><topic>Straw</topic><topic>Wastewater</topic><topic>Water Quality/Water Pollution</topic><topic>Zinc chloride</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fan, Liangqian</creatorcontrib><creatorcontrib>Wan, Wenxin</creatorcontrib><creatorcontrib>Wang, Xianda</creatorcontrib><creatorcontrib>Cai, Jie</creatorcontrib><creatorcontrib>Chen, Fenghui</creatorcontrib><creatorcontrib>Chen, Wei</creatorcontrib><creatorcontrib>Ji, Lin</creatorcontrib><creatorcontrib>Luo, 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fan, Liangqian</au><au>Wan, Wenxin</au><au>Wang, Xianda</au><au>Cai, Jie</au><au>Chen, Fenghui</au><au>Chen, Wei</au><au>Ji, Lin</au><au>Luo, Hongbing</au><au>Cheng, Lin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption Removal of Cr(VI) with Activated Carbon Prepared by Co-pyrolysis of Rice Straw and Sewage Sludge with ZnCl2 Activation</atitle><jtitle>Water, air, and soil pollution</jtitle><stitle>Water Air Soil Pollut</stitle><date>2019-10-01</date><risdate>2019</risdate><volume>230</volume><issue>10</issue><spage>1</spage><epage>13</epage><pages>1-13</pages><artnum>233</artnum><issn>0049-6979</issn><eissn>1573-2932</eissn><abstract>In the study, an activated carbon was prepared by co-pyrolyzing rice straw and sewage sludge with ZnCl
2
activation (SS-RS AC) and used to remove Cr(VI) from wastewater. Firstly, for the preparation of SS-RS AC, the yield and iodine number were used to determine the appropriate addition percentage of rice straw. Then, a series of batch experiments including initial pH, adsorption kinetics and isotherms, and ionic strength as well as Fourier transform infrared (FT-IR) analysis of SS-RS AC before and after adsorption were performed to explore the Cr(VI) adsorption removal behavior and mechanism of SS-RS AC prepared from sewage sludge with the appropriate rice straw addition percentage. The results showed that the appropriate addition percentage of rice straw was 20%. For the Cr(VI) adsorption removal with SS-RS AC, the initial pH of solution significantly influenced the removal efficient. The highest efficiency of Cr(VI) adsorption removal (97.7%) could be attained at pH 2.0. The adsorption kinetics and isotherm data were best fitted by the pseudo-second-order model and the Langmuir-Freundlich model, respectively. The prepared SS-RS AC had the maximum Cr(VI) adsorption removal capacity of 138.69 mg/g at 40 °C. The main mechanisms for the Cr(VI) removal with SS-RS AC involve the electrostatic attraction and the reduction of Cr(VI). Carboxy, amine, and hydroxyl groups were found to act as electron donor groups, contributing to the reduction of Cr(VI). The ionic strength had an adverse effect on the Cr(VI) removal. Overall, the prepared SS-RS AC can be used as an alternative and low-cost adsorbent for the removal of Cr(VI).</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s11270-019-4305-8</doi><tpages>13</tpages></addata></record> |
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| subjects | Activated carbon Activated sludge Activation Adsorption Amines Atmospheric Protection/Air Quality Control/Air Pollution Chromium Climate Change/Climate Change Impacts Earth and Environmental Science Electrons Environment Environmental monitoring Fourier transforms Hydrogeology Hydroxyl groups Infrared analysis Iodine Ionic strength Isotherms Kinetics pH effects Pyrolysis Reduction Removal Rice Rice straw Sewage Sewage sludge Sludge Soil Science & Conservation Straw Wastewater Water Quality/Water Pollution Zinc chloride |
| title | Adsorption Removal of Cr(VI) with Activated Carbon Prepared by Co-pyrolysis of Rice Straw and Sewage Sludge with ZnCl2 Activation |
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