Adsorption of Heavy Metal Ions from Aqueous Solutions by Zeolite Based on Oil Shale Ash： Kinetic and Equilibrium Studies
Na-A zeolite was successfully synthesized via the alkaline fusion method with oil shale ash as the raw material. The adsorption capacity of it was tested by removing Cu2＋, Ni2＋, Pb2＋ and Cd2＋ from aqueous solutions. The results reveal the maximum adsorption capacity of adsorbent for Pb2＋, Cu2＋, Cd2＋...
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| Veröffentlicht in: | Chemical research in Chinese universities 2013-02, Vol.29 (1), p.126-131 |
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| creator | Bao, Wei-wei Zou, Hai-feng Gan, Shu-cai Xu, Xue-chun Ji, Gui-juan Zheng, Ke-yan |
| description | Na-A zeolite was successfully synthesized via the alkaline fusion method with oil shale ash as the raw material. The adsorption capacity of it was tested by removing Cu2＋, Ni2＋, Pb2＋ and Cd2＋ from aqueous solutions. The results reveal the maximum adsorption capacity of adsorbent for Pb2＋, Cu2＋, Cd2＋ and Ni2＋ were 224.72, 156.74, 118.34 and 53.02 mg/g, respectively. The effects of contact time and pH value of solutions on the adsorption effi- ciency of the zeolite were evaluated. Besides, The equilibrium adsorption data and the batch kinetic data were correlated with Langmuir and Freundlich models and the pseudo-first-order and pseudo-second-order models separately. The results show that the Langmuir isotherm and the pseudo-second-order equation were more suitable for the adsorption of Na-A zeolite for the metal ions. In addition, Thermodynamic parameters of the adsorption（the Gibbs free energy, entropy, and enthalpy） were also evaluated and discussed. The results demonstrate that the adsorption process was spontaneous and endothermic under natural conditions and the synthesized zeolite was an effective adsorbent for the removal of metal ions from aqueous solution. |
| doi_str_mv | 10.1007/s40242-013-2139-2 |
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The adsorption capacity of it was tested by removing Cu2＋, Ni2＋, Pb2＋ and Cd2＋ from aqueous solutions. The results reveal the maximum adsorption capacity of adsorbent for Pb2＋, Cu2＋, Cd2＋ and Ni2＋ were 224.72, 156.74, 118.34 and 53.02 mg/g, respectively. The effects of contact time and pH value of solutions on the adsorption effi- ciency of the zeolite were evaluated. Besides, The equilibrium adsorption data and the batch kinetic data were correlated with Langmuir and Freundlich models and the pseudo-first-order and pseudo-second-order models separately. The results show that the Langmuir isotherm and the pseudo-second-order equation were more suitable for the adsorption of Na-A zeolite for the metal ions. In addition, Thermodynamic parameters of the adsorption（the Gibbs free energy, entropy, and enthalpy） were also evaluated and discussed. The results demonstrate that the adsorption process was spontaneous and endothermic under natural conditions and the synthesized zeolite was an effective adsorbent for the removal of metal ions from aqueous solution.</description><identifier>ISSN: 1005-9040</identifier><identifier>EISSN: 2210-3171</identifier><identifier>DOI: 10.1007/s40242-013-2139-2</identifier><language>eng</language><publisher>Heidelberg: Jilin University and The Editorial Department of Chemical Research in Chinese Universities</publisher><subject>Analytical Chemistry ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Freundlich模型 ; Inorganic Chemistry ; Organic Chemistry ; Physical Chemistry ; 动力学数据 ; 合成沸石 ; 吸附能力 ; 平衡 ; 水溶液 ; 油页岩灰 ; 重金属离子</subject><ispartof>Chemical research in Chinese universities, 2013-02, Vol.29 (1), p.126-131</ispartof><rights>Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH 2013</rights><rights>Copyright © Wanfang Data Co. 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Res. Chin. Univ</addtitle><addtitle>Chemical Research in Chinese University</addtitle><description>Na-A zeolite was successfully synthesized via the alkaline fusion method with oil shale ash as the raw material. The adsorption capacity of it was tested by removing Cu2＋, Ni2＋, Pb2＋ and Cd2＋ from aqueous solutions. The results reveal the maximum adsorption capacity of adsorbent for Pb2＋, Cu2＋, Cd2＋ and Ni2＋ were 224.72, 156.74, 118.34 and 53.02 mg/g, respectively. The effects of contact time and pH value of solutions on the adsorption effi- ciency of the zeolite were evaluated. Besides, The equilibrium adsorption data and the batch kinetic data were correlated with Langmuir and Freundlich models and the pseudo-first-order and pseudo-second-order models separately. The results show that the Langmuir isotherm and the pseudo-second-order equation were more suitable for the adsorption of Na-A zeolite for the metal ions. In addition, Thermodynamic parameters of the adsorption（the Gibbs free energy, entropy, and enthalpy） were also evaluated and discussed. The results demonstrate that the adsorption process was spontaneous and endothermic under natural conditions and the synthesized zeolite was an effective adsorbent for the removal of metal ions from aqueous solution.</description><subject>Analytical Chemistry</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Freundlich模型</subject><subject>Inorganic Chemistry</subject><subject>Organic Chemistry</subject><subject>Physical Chemistry</subject><subject>动力学数据</subject><subject>合成沸石</subject><subject>吸附能力</subject><subject>平衡</subject><subject>水溶液</subject><subject>油页岩灰</subject><subject>重金属离子</subject><issn>1005-9040</issn><issn>2210-3171</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kEtOG0EQhltRIsUhHCC7yjKLCdWPeS0dRAICxMKwYdNqz9TYbY27cfdMYuconIU7cQXaMiK7rKoW31d_6WfsC8fvHLE8iQqFEhlymQku60y8YxMhOGaSl_w9myQoz2pU-JF9inGFKOuiUBP2d9pGHx4G6x34Ds7J_N7BNQ2mhwvvInTBr2G6GcmPEWa-H_dkhPkO7sn3diD4YSK1kPQb28NsaXqCaVw-Pz3CpXU02AaMa-FsM9rezoMd1zAbxtZS_Mw-dKaPdPw6j9jdz7Pb0_Ps6ubXxen0KmukqoasKdpcSKIqLwR26XFTCWw5CYm8LAzPWyVVKdPG53VRi5xk1SjKuRFNXeBcHrFvh7t_jOuMW-iVH4NLiXrRbrfL7W4lUm3IUeSJ5Qe2CT7GQJ1-CHZtwk5z1Pui9aFonQy9L1qL5IiDExPrFhT-BfxP-voatPRusUneW5JSZVHVqpYvXe6MRw</recordid><startdate>20130201</startdate><enddate>20130201</enddate><creator>Bao, Wei-wei</creator><creator>Zou, Hai-feng</creator><creator>Gan, Shu-cai</creator><creator>Xu, Xue-chun</creator><creator>Ji, Gui-juan</creator><creator>Zheng, Ke-yan</creator><general>Jilin University and The Editorial Department of Chemical Research in Chinese Universities</general><general>College of Chemistry, Jilin University, Changchun 130012, P.R.China%College of Earth Sciences, Jilin University, Changchun 130026, P.R.China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20130201</creationdate><title>Adsorption of Heavy Metal Ions from Aqueous Solutions by Zeolite Based on Oil Shale Ash： Kinetic and Equilibrium Studies</title><author>Bao, Wei-wei ; Zou, Hai-feng ; Gan, Shu-cai ; Xu, Xue-chun ; Ji, Gui-juan ; Zheng, Ke-yan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c348t-c6d523ee85620f003a820d1e230176a15d434736a11b96925e38c4e51a2c960b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Analytical Chemistry</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Chemistry/Food Science</topic><topic>Freundlich模型</topic><topic>Inorganic Chemistry</topic><topic>Organic Chemistry</topic><topic>Physical Chemistry</topic><topic>动力学数据</topic><topic>合成沸石</topic><topic>吸附能力</topic><topic>平衡</topic><topic>水溶液</topic><topic>油页岩灰</topic><topic>重金属离子</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bao, Wei-wei</creatorcontrib><creatorcontrib>Zou, Hai-feng</creatorcontrib><creatorcontrib>Gan, Shu-cai</creatorcontrib><creatorcontrib>Xu, Xue-chun</creatorcontrib><creatorcontrib>Ji, Gui-juan</creatorcontrib><creatorcontrib>Zheng, Ke-yan</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Chemical research in Chinese universities</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bao, Wei-wei</au><au>Zou, Hai-feng</au><au>Gan, Shu-cai</au><au>Xu, Xue-chun</au><au>Ji, Gui-juan</au><au>Zheng, Ke-yan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption of Heavy Metal Ions from Aqueous Solutions by Zeolite Based on Oil Shale Ash： Kinetic and Equilibrium Studies</atitle><jtitle>Chemical research in Chinese universities</jtitle><stitle>Chem. Res. Chin. Univ</stitle><addtitle>Chemical Research in Chinese University</addtitle><date>2013-02-01</date><risdate>2013</risdate><volume>29</volume><issue>1</issue><spage>126</spage><epage>131</epage><pages>126-131</pages><issn>1005-9040</issn><eissn>2210-3171</eissn><abstract>Na-A zeolite was successfully synthesized via the alkaline fusion method with oil shale ash as the raw material. The adsorption capacity of it was tested by removing Cu2＋, Ni2＋, Pb2＋ and Cd2＋ from aqueous solutions. The results reveal the maximum adsorption capacity of adsorbent for Pb2＋, Cu2＋, Cd2＋ and Ni2＋ were 224.72, 156.74, 118.34 and 53.02 mg/g, respectively. The effects of contact time and pH value of solutions on the adsorption effi- ciency of the zeolite were evaluated. Besides, The equilibrium adsorption data and the batch kinetic data were correlated with Langmuir and Freundlich models and the pseudo-first-order and pseudo-second-order models separately. The results show that the Langmuir isotherm and the pseudo-second-order equation were more suitable for the adsorption of Na-A zeolite for the metal ions. In addition, Thermodynamic parameters of the adsorption（the Gibbs free energy, entropy, and enthalpy） were also evaluated and discussed. The results demonstrate that the adsorption process was spontaneous and endothermic under natural conditions and the synthesized zeolite was an effective adsorbent for the removal of metal ions from aqueous solution.</abstract><cop>Heidelberg</cop><pub>Jilin University and The Editorial Department of Chemical Research in Chinese Universities</pub><doi>10.1007/s40242-013-2139-2</doi><tpages>6</tpages></addata></record> |
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| subjects | Analytical Chemistry Chemistry Chemistry and Materials Science Chemistry/Food Science Freundlich模型 Inorganic Chemistry Organic Chemistry Physical Chemistry 动力学数据 合成沸石 吸附能力 平衡 水溶液 油页岩灰 重金属离子 |
| title | Adsorption of Heavy Metal Ions from Aqueous Solutions by Zeolite Based on Oil Shale Ash： Kinetic and Equilibrium Studies |
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