Sepiolite/calcium interactions in desiccant clay production
The aim of the present study is to determine the applicability of three different sepiolite samples received from the Eski şehir region of Turkey in the production of desiccant clay. Japanese (JIS-Z-0701) and British (BS 3482-6) standards dictate that effective sepiolite should uptake humidity of at...
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| Veröffentlicht in: | Applied clay science 2011-09, Vol.53 (3), p.386-394 |
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| creator | Çınar, M. Ersever, G. Şahbaz, O. Çelik, M.S. |
| description | The aim of the present study is to determine the applicability of three different sepiolite samples received from the Eski
şehir region of Turkey in the production of desiccant clay. Japanese (JIS-Z-0701) and British (BS 3482-6) standards dictate that effective sepiolite should uptake humidity of at least 8% of its weight at 20% RH. This value must be 20% at 50% RH and 30% at 90% RH. Therefore, the HAC of sepiolites was modified by subjecting them to heat treatment at 200
°C and different relative humidity (RH) values of 20 to 90% as a function of time. The data obtained was interpreted on the basis of adsorption isotherms. The results indicate that raw sepiolites at 50% RH do not conform to the desiccant standards. Therefore, sepiolite/CaCl
2 mixture at the different CaCl
2 additions was evaluated for its potential as a humidity adsorbent. However, it is shown that sepiolite mixed with 5% CaCl
2 at 50% RH or above exceeds the required specifications for a commercial desiccant. |
| doi_str_mv | 10.1016/j.clay.2010.06.027 |
| format | Article |
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şehir region of Turkey in the production of desiccant clay. Japanese (JIS-Z-0701) and British (BS 3482-6) standards dictate that effective sepiolite should uptake humidity of at least 8% of its weight at 20% RH. This value must be 20% at 50% RH and 30% at 90% RH. Therefore, the HAC of sepiolites was modified by subjecting them to heat treatment at 200
°C and different relative humidity (RH) values of 20 to 90% as a function of time. The data obtained was interpreted on the basis of adsorption isotherms. The results indicate that raw sepiolites at 50% RH do not conform to the desiccant standards. Therefore, sepiolite/CaCl
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2 additions was evaluated for its potential as a humidity adsorbent. However, it is shown that sepiolite mixed with 5% CaCl
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şehir region of Turkey in the production of desiccant clay. Japanese (JIS-Z-0701) and British (BS 3482-6) standards dictate that effective sepiolite should uptake humidity of at least 8% of its weight at 20% RH. This value must be 20% at 50% RH and 30% at 90% RH. Therefore, the HAC of sepiolites was modified by subjecting them to heat treatment at 200
°C and different relative humidity (RH) values of 20 to 90% as a function of time. The data obtained was interpreted on the basis of adsorption isotherms. The results indicate that raw sepiolites at 50% RH do not conform to the desiccant standards. Therefore, sepiolite/CaCl
2 mixture at the different CaCl
2 additions was evaluated for its potential as a humidity adsorbent. However, it is shown that sepiolite mixed with 5% CaCl
2 at 50% RH or above exceeds the required specifications for a commercial desiccant.</description><subject>Adsorbents</subject><subject>CaCl 2</subject><subject>Clay (material)</subject><subject>Desiccant</subject><subject>Desiccants</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Humidity</subject><subject>Humidity adsorption</subject><subject>Mineralogy</subject><subject>Sepiolite</subject><subject>Silicates</subject><subject>Specifications</subject><subject>Uptakes</subject><issn>0169-1317</issn><issn>1872-9053</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouK7-AU-9CF66m68mDXqRxS9Y8KCeQzqdQpZuuyatsP_e1F08ehoyeWbeeV9CrhldMMrUcrOA1u0XnKYGVQvK9QmZsVLz3NBCnJJZgkzOBNPn5CLGDaWMl4WZkbt33Pm-9QMuwbXgx23muwGDg8H3XUyPrMboAVw3ZJNGtgt9Pf7-XpKzxrURr451Tj6fHj9WL_n67fl19bDOQVI65IUwWMl0Grq60kVTgFZNKcsSpRFcMiWoEoiVVtzwWhssKqMbXmracFchiDm5PexN0l8jxsFufQRsW9dhP0bLqEhulDRFQvkBhdDHGLCxu-C3LuwTZKek7MZOLuyUlKXKpqTS0M1xv4sphCa4Dnz8m-RSalMamrj7A4fJ7LfHYCN47ABrHxAGW_f-P5kfWMB-bg</recordid><startdate>20110901</startdate><enddate>20110901</enddate><creator>Çınar, M.</creator><creator>Ersever, G.</creator><creator>Şahbaz, O.</creator><creator>Çelik, M.S.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20110901</creationdate><title>Sepiolite/calcium interactions in desiccant clay production</title><author>Çınar, M. ; Ersever, G. ; Şahbaz, O. ; Çelik, M.S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c400t-539eb4201eadb75f5c76f8488e49324163063eeb76292d79e5b97f2870f2abec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Adsorbents</topic><topic>CaCl 2</topic><topic>Clay (material)</topic><topic>Desiccant</topic><topic>Desiccants</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Humidity</topic><topic>Humidity adsorption</topic><topic>Mineralogy</topic><topic>Sepiolite</topic><topic>Silicates</topic><topic>Specifications</topic><topic>Uptakes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Çınar, M.</creatorcontrib><creatorcontrib>Ersever, G.</creatorcontrib><creatorcontrib>Şahbaz, O.</creatorcontrib><creatorcontrib>Çelik, M.S.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Applied clay science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Çınar, M.</au><au>Ersever, G.</au><au>Şahbaz, O.</au><au>Çelik, M.S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sepiolite/calcium interactions in desiccant clay production</atitle><jtitle>Applied clay science</jtitle><date>2011-09-01</date><risdate>2011</risdate><volume>53</volume><issue>3</issue><spage>386</spage><epage>394</epage><pages>386-394</pages><issn>0169-1317</issn><eissn>1872-9053</eissn><coden>ACLSER</coden><abstract>The aim of the present study is to determine the applicability of three different sepiolite samples received from the Eski
şehir region of Turkey in the production of desiccant clay. Japanese (JIS-Z-0701) and British (BS 3482-6) standards dictate that effective sepiolite should uptake humidity of at least 8% of its weight at 20% RH. This value must be 20% at 50% RH and 30% at 90% RH. Therefore, the HAC of sepiolites was modified by subjecting them to heat treatment at 200
°C and different relative humidity (RH) values of 20 to 90% as a function of time. The data obtained was interpreted on the basis of adsorption isotherms. The results indicate that raw sepiolites at 50% RH do not conform to the desiccant standards. Therefore, sepiolite/CaCl
2 mixture at the different CaCl
2 additions was evaluated for its potential as a humidity adsorbent. However, it is shown that sepiolite mixed with 5% CaCl
2 at 50% RH or above exceeds the required specifications for a commercial desiccant.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.clay.2010.06.027</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0169-1317 |
| ispartof | Applied clay science, 2011-09, Vol.53 (3), p.386-394 |
| issn | 0169-1317 1872-9053 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Adsorbents CaCl 2 Clay (material) Desiccant Desiccants Earth sciences Earth, ocean, space Exact sciences and technology Humidity Humidity adsorption Mineralogy Sepiolite Silicates Specifications Uptakes |
| title | Sepiolite/calcium interactions in desiccant clay production |
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