Porous geopolymeric spheres for removal of Cu(II) from aqueous solution: Synthesis and evaluation
Schematic of porous geopolymeric spheres by a suspension and solidification method (SSM) with metakaolin-based geopolymers. •Porous geopolymeric sphere was obtained by a suspension and solidification method.•It exhibited higher capacity for Cu(II) removal than spherical 4A molecular sieves.•It provi...
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| Veröffentlicht in: | Journal of hazardous materials 2015, Vol.283, p.244-251 |
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| creator | Ge, Yuanyuan Cui, Xuemin Kong, Yan Li, Zhili He, Yan Zhou, Qianqian |
| description | Schematic of porous geopolymeric spheres by a suspension and solidification method (SSM) with metakaolin-based geopolymers.
•Porous geopolymeric sphere was obtained by a suspension and solidification method.•It exhibited higher capacity for Cu(II) removal than spherical 4A molecular sieves.•It provided a new possible way for continuous-mode removal of heavy metal ions.
Porous geopolymeric spheres were synthetized by a suspension and solidification method, which were used as adsorbents for the removal of Cu(II) from aqueous solution. The influences of pH, geopolymeric spheres dosage, contact time, and initial Cu(II) concentration on adsorption capacity were investigated in detail. The adsorption kinetics and adsorption isotherms were fitted well by a pseudo-second-order model and a Langmuir isotherm model, respectively. The maximum adsorption capacity of Cu(II) by the spheres calculated from Langmuir isotherm model was 52.63mg/g. The porous geopolymeric spheres showed higher adsorption capacity than the commercial spherical 4A molecular sieve and some other reported spherical materials. The continuous removal of Cu(II) from an effluent was also conducted in column mode. The results confirmed that porous geopolymeric spheres could be used for the cleanup of heavy metal ions from wastewater in a continuous column process. |
| doi_str_mv | 10.1016/j.jhazmat.2014.09.038 |
| format | Article |
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•Porous geopolymeric sphere was obtained by a suspension and solidification method.•It exhibited higher capacity for Cu(II) removal than spherical 4A molecular sieves.•It provided a new possible way for continuous-mode removal of heavy metal ions.
Porous geopolymeric spheres were synthetized by a suspension and solidification method, which were used as adsorbents for the removal of Cu(II) from aqueous solution. The influences of pH, geopolymeric spheres dosage, contact time, and initial Cu(II) concentration on adsorption capacity were investigated in detail. The adsorption kinetics and adsorption isotherms were fitted well by a pseudo-second-order model and a Langmuir isotherm model, respectively. The maximum adsorption capacity of Cu(II) by the spheres calculated from Langmuir isotherm model was 52.63mg/g. The porous geopolymeric spheres showed higher adsorption capacity than the commercial spherical 4A molecular sieve and some other reported spherical materials. The continuous removal of Cu(II) from an effluent was also conducted in column mode. The results confirmed that porous geopolymeric spheres could be used for the cleanup of heavy metal ions from wastewater in a continuous column process.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2014.09.038</identifier><identifier>PMID: 25282176</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Adsorbents ; Adsorption ; Aqueous solutions ; Columns (process) ; Copper ; Copper - analysis ; Copper - chemistry ; Effluents ; Isotherms ; Kinetics ; Molecular sieves ; Polymers - chemistry ; Porosity ; Porous geopolymeric sphere ; Removal ; Waste water ; Wastewater ; Water Pollutants, Chemical - analysis ; Water Pollutants, Chemical - chemistry ; Water Purification - methods</subject><ispartof>Journal of hazardous materials, 2015, Vol.283, p.244-251</ispartof><rights>2014 Elsevier B.V.</rights><rights>Copyright © 2014 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c468t-ef08228897b03b752084a09f329b6ae9a85e2990a03730be51eae5b377a64bab3</citedby><cites>FETCH-LOGICAL-c468t-ef08228897b03b752084a09f329b6ae9a85e2990a03730be51eae5b377a64bab3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jhazmat.2014.09.038$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,4012,27912,27913,27914,45984</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25282176$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ge, Yuanyuan</creatorcontrib><creatorcontrib>Cui, Xuemin</creatorcontrib><creatorcontrib>Kong, Yan</creatorcontrib><creatorcontrib>Li, Zhili</creatorcontrib><creatorcontrib>He, Yan</creatorcontrib><creatorcontrib>Zhou, Qianqian</creatorcontrib><title>Porous geopolymeric spheres for removal of Cu(II) from aqueous solution: Synthesis and evaluation</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>Schematic of porous geopolymeric spheres by a suspension and solidification method (SSM) with metakaolin-based geopolymers.
•Porous geopolymeric sphere was obtained by a suspension and solidification method.•It exhibited higher capacity for Cu(II) removal than spherical 4A molecular sieves.•It provided a new possible way for continuous-mode removal of heavy metal ions.
Porous geopolymeric spheres were synthetized by a suspension and solidification method, which were used as adsorbents for the removal of Cu(II) from aqueous solution. The influences of pH, geopolymeric spheres dosage, contact time, and initial Cu(II) concentration on adsorption capacity were investigated in detail. The adsorption kinetics and adsorption isotherms were fitted well by a pseudo-second-order model and a Langmuir isotherm model, respectively. The maximum adsorption capacity of Cu(II) by the spheres calculated from Langmuir isotherm model was 52.63mg/g. The porous geopolymeric spheres showed higher adsorption capacity than the commercial spherical 4A molecular sieve and some other reported spherical materials. The continuous removal of Cu(II) from an effluent was also conducted in column mode. The results confirmed that porous geopolymeric spheres could be used for the cleanup of heavy metal ions from wastewater in a continuous column process.</description><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Aqueous solutions</subject><subject>Columns (process)</subject><subject>Copper</subject><subject>Copper - analysis</subject><subject>Copper - chemistry</subject><subject>Effluents</subject><subject>Isotherms</subject><subject>Kinetics</subject><subject>Molecular sieves</subject><subject>Polymers - chemistry</subject><subject>Porosity</subject><subject>Porous geopolymeric sphere</subject><subject>Removal</subject><subject>Waste water</subject><subject>Wastewater</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>Water Pollutants, Chemical - chemistry</subject><subject>Water Purification - methods</subject><issn>0304-3894</issn><issn>1873-3336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1v1DAQhi0EotvCTwD5WA5Jxx_xBxeEVlBWqlQk4Gw52QnrVRIvdlJp-fVNtAvX9jSHed6Z0TyEvGNQMmDqZl_ud_5v78eSA5Ml2BKEeUFWzGhRCCHUS7ICAbIQxsoLcpnzHgCYruRrcsErbjjTakX895jilOlvjIfYHXtMoaH5sMOEmbYx0YR9fPAdjS1dT9ebzQfapthT_2fCJZdjN40hDh_pj-Mw7jCHTP2wpThnJr903pBXre8yvj3XK_Lr65ef62_F3f3tZv35rmikMmOBLRjOjbG6BlHrioORHmwruK2VR-tNhdxa8CC0gBorhh6rWmjtlax9La7I9WnuIcX5uDy6PuQGu84Py6WOKQWgjajsM1CpAZTk4hmosNJaZtWMVie0STHnhK07pND7dHQM3OLM7d3ZmVucObBudjbn3p9XTHWP2_-pf5Jm4NMJwPl9DwGTy03AocFtSNiMbhvDEyseAYURqjY</recordid><startdate>2015</startdate><enddate>2015</enddate><creator>Ge, Yuanyuan</creator><creator>Cui, Xuemin</creator><creator>Kong, Yan</creator><creator>Li, Zhili</creator><creator>He, Yan</creator><creator>Zhou, Qianqian</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QH</scope><scope>7ST</scope><scope>7U7</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>SOI</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>2015</creationdate><title>Porous geopolymeric spheres for removal of Cu(II) from aqueous solution: Synthesis and evaluation</title><author>Ge, Yuanyuan ; Cui, Xuemin ; Kong, Yan ; Li, Zhili ; He, Yan ; Zhou, Qianqian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c468t-ef08228897b03b752084a09f329b6ae9a85e2990a03730be51eae5b377a64bab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adsorbents</topic><topic>Adsorption</topic><topic>Aqueous solutions</topic><topic>Columns (process)</topic><topic>Copper</topic><topic>Copper - analysis</topic><topic>Copper - chemistry</topic><topic>Effluents</topic><topic>Isotherms</topic><topic>Kinetics</topic><topic>Molecular sieves</topic><topic>Polymers - chemistry</topic><topic>Porosity</topic><topic>Porous geopolymeric sphere</topic><topic>Removal</topic><topic>Waste water</topic><topic>Wastewater</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>Water Pollutants, Chemical - chemistry</topic><topic>Water Purification - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ge, Yuanyuan</creatorcontrib><creatorcontrib>Cui, Xuemin</creatorcontrib><creatorcontrib>Kong, Yan</creatorcontrib><creatorcontrib>Li, Zhili</creatorcontrib><creatorcontrib>He, Yan</creatorcontrib><creatorcontrib>Zhou, Qianqian</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ge, Yuanyuan</au><au>Cui, Xuemin</au><au>Kong, Yan</au><au>Li, Zhili</au><au>He, Yan</au><au>Zhou, Qianqian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Porous geopolymeric spheres for removal of Cu(II) from aqueous solution: Synthesis and evaluation</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2015</date><risdate>2015</risdate><volume>283</volume><spage>244</spage><epage>251</epage><pages>244-251</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><abstract>Schematic of porous geopolymeric spheres by a suspension and solidification method (SSM) with metakaolin-based geopolymers.
•Porous geopolymeric sphere was obtained by a suspension and solidification method.•It exhibited higher capacity for Cu(II) removal than spherical 4A molecular sieves.•It provided a new possible way for continuous-mode removal of heavy metal ions.
Porous geopolymeric spheres were synthetized by a suspension and solidification method, which were used as adsorbents for the removal of Cu(II) from aqueous solution. The influences of pH, geopolymeric spheres dosage, contact time, and initial Cu(II) concentration on adsorption capacity were investigated in detail. The adsorption kinetics and adsorption isotherms were fitted well by a pseudo-second-order model and a Langmuir isotherm model, respectively. The maximum adsorption capacity of Cu(II) by the spheres calculated from Langmuir isotherm model was 52.63mg/g. The porous geopolymeric spheres showed higher adsorption capacity than the commercial spherical 4A molecular sieve and some other reported spherical materials. The continuous removal of Cu(II) from an effluent was also conducted in column mode. The results confirmed that porous geopolymeric spheres could be used for the cleanup of heavy metal ions from wastewater in a continuous column process.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>25282176</pmid><doi>10.1016/j.jhazmat.2014.09.038</doi><tpages>8</tpages></addata></record> |
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| subjects | Adsorbents Adsorption Aqueous solutions Columns (process) Copper Copper - analysis Copper - chemistry Effluents Isotherms Kinetics Molecular sieves Polymers - chemistry Porosity Porous geopolymeric sphere Removal Waste water Wastewater Water Pollutants, Chemical - analysis Water Pollutants, Chemical - chemistry Water Purification - methods |
| title | Porous geopolymeric spheres for removal of Cu(II) from aqueous solution: Synthesis and evaluation |
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