Thermodynamic assessment of the variation of the surface areas of two synthetic swelling clays during adsorption of water
Two synthetic smectites (montmorillonite and beidellite) are studied by a water adsorption technique in order to assess their specific surface areas under atmospheric conditions. A route recently proposed for extracting the thermodynamic data from experimental adsorption isotherms is used. The varia...
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| Veröffentlicht in: | Journal of colloid and interface science 2007-12, Vol.316 (2), p.1003-1011 |
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| container_title | Journal of colloid and interface science |
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| creator | Lantenois, S. Nedellec, Y. Prélot, B. Zajac, J. Muller, F. Douillard, J.-M. |
| description | Two synthetic smectites (montmorillonite and beidellite) are studied by a water adsorption technique in order to assess their specific surface areas under atmospheric conditions. A route recently proposed for extracting the thermodynamic data from experimental adsorption isotherms is used. The variation of the specific surface area during water adsorption is obtained, which can be linked to the enlargement of the interlayer space determined using X-ray diffraction. This variation is compared to an idealized specific surface area obtained from TEM and X-ray measurements in agreement with crystallographic models. All these results are also compared with those obtained previously for a natural montmorillonite. A simple view of swelling is proposed. |
| doi_str_mv | 10.1016/j.jcis.2007.07.024 |
| format | Article |
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A route recently proposed for extracting the thermodynamic data from experimental adsorption isotherms is used. The variation of the specific surface area during water adsorption is obtained, which can be linked to the enlargement of the interlayer space determined using X-ray diffraction. This variation is compared to an idealized specific surface area obtained from TEM and X-ray measurements in agreement with crystallographic models. All these results are also compared with those obtained previously for a natural montmorillonite. 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A route recently proposed for extracting the thermodynamic data from experimental adsorption isotherms is used. The variation of the specific surface area during water adsorption is obtained, which can be linked to the enlargement of the interlayer space determined using X-ray diffraction. This variation is compared to an idealized specific surface area obtained from TEM and X-ray measurements in agreement with crystallographic models. All these results are also compared with those obtained previously for a natural montmorillonite. A simple view of swelling is proposed.</description><subject>Adsorption</subject><subject>Aluminum Silicates - chemistry</subject><subject>Beidellite</subject><subject>Bentonite - chemistry</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Earth Sciences</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Geophysics</subject><subject>Interlayer space</subject><subject>Models, Molecular</subject><subject>Montmorillonite</subject><subject>Nitrogen - chemistry</subject><subject>Sciences of the Universe</subject><subject>Surface area</subject><subject>Surface physical chemistry</subject><subject>Surface Properties</subject><subject>Swelling clay</subject><subject>Synthetic smectite</subject><subject>Thermodynamics</subject><subject>Water</subject><subject>Water - chemistry</subject><subject>X-Ray Diffraction</subject><issn>0021-9797</issn><issn>1095-7103</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kU2P0zAQhi0EYrsLf4ADygUOK6X4I1-WuKxWwCJV4rKcrak9oa6SuHiSVvn3OLS73JBHsjx-5tXMvIy9E3wtuKg-7dd762ktOa_XS8jiBVsJrsu8Fly9ZCvOpch1resrdk2051yIstSv2ZWom6bgVbVi8-MOYx_cPEDvbQZESNTjMGahzcYdZkeIHkYfhqcETbEFixlEBPqbPIWM5iH9jUmBTth1fviV2Q5mytwUlwc4CvHwJHOCEeMb9qqFjvDt5b5hP79-ebx_yDc_vn2_v9vktuR8zPW2BK60kgKs0Nu61gJLUI3SLchKFbbQQknetBWidoWzrXa1KCppNTrdFuqG3Z51d9CZQ_Q9xNkE8ObhbmP8QJNJe9GyVOooEvzxDB9i-D0hjab3ZNNEMGCYyFRNkY6QCZRn0MZAFLF9lhbcLO6YvVncMYs7Zgm5tPL-oj5te3T_Si52JODDBQCy0LURhkXjmdNVGrZYuM9nDtPijh6jIetxsOh8RDsaF_z_-vgDJc-vDg</recordid><startdate>20071215</startdate><enddate>20071215</enddate><creator>Lantenois, S.</creator><creator>Nedellec, Y.</creator><creator>Prélot, B.</creator><creator>Zajac, J.</creator><creator>Muller, F.</creator><creator>Douillard, J.-M.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><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>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0002-9478-6694</orcidid></search><sort><creationdate>20071215</creationdate><title>Thermodynamic assessment of the variation of the surface areas of two synthetic swelling clays during adsorption of water</title><author>Lantenois, S. ; Nedellec, Y. ; Prélot, B. ; Zajac, J. ; Muller, F. ; Douillard, J.-M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c500t-9b5a039321ac19b7791e5a3839fa2634c4913208f6ee9d4dcf9d71462c9ed9f43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Adsorption</topic><topic>Aluminum Silicates - chemistry</topic><topic>Beidellite</topic><topic>Bentonite - chemistry</topic><topic>Chemistry</topic><topic>Colloidal state and disperse state</topic><topic>Earth Sciences</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Geophysics</topic><topic>Interlayer space</topic><topic>Models, Molecular</topic><topic>Montmorillonite</topic><topic>Nitrogen - chemistry</topic><topic>Sciences of the Universe</topic><topic>Surface area</topic><topic>Surface physical chemistry</topic><topic>Surface Properties</topic><topic>Swelling clay</topic><topic>Synthetic smectite</topic><topic>Thermodynamics</topic><topic>Water</topic><topic>Water - chemistry</topic><topic>X-Ray Diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lantenois, S.</creatorcontrib><creatorcontrib>Nedellec, Y.</creatorcontrib><creatorcontrib>Prélot, B.</creatorcontrib><creatorcontrib>Zajac, J.</creatorcontrib><creatorcontrib>Muller, F.</creatorcontrib><creatorcontrib>Douillard, J.-M.</creatorcontrib><collection>Pascal-Francis</collection><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>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Journal of colloid and interface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lantenois, S.</au><au>Nedellec, Y.</au><au>Prélot, B.</au><au>Zajac, J.</au><au>Muller, F.</au><au>Douillard, J.-M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermodynamic assessment of the variation of the surface areas of two synthetic swelling clays during adsorption of water</atitle><jtitle>Journal of colloid and interface science</jtitle><addtitle>J Colloid Interface Sci</addtitle><date>2007-12-15</date><risdate>2007</risdate><volume>316</volume><issue>2</issue><spage>1003</spage><epage>1011</epage><pages>1003-1011</pages><issn>0021-9797</issn><eissn>1095-7103</eissn><coden>JCISA5</coden><abstract>Two synthetic smectites (montmorillonite and beidellite) are studied by a water adsorption technique in order to assess their specific surface areas under atmospheric conditions. A route recently proposed for extracting the thermodynamic data from experimental adsorption isotherms is used. The variation of the specific surface area during water adsorption is obtained, which can be linked to the enlargement of the interlayer space determined using X-ray diffraction. This variation is compared to an idealized specific surface area obtained from TEM and X-ray measurements in agreement with crystallographic models. All these results are also compared with those obtained previously for a natural montmorillonite. A simple view of swelling is proposed.</abstract><cop>San Diego, CA</cop><pub>Elsevier Inc</pub><pmid>17884066</pmid><doi>10.1016/j.jcis.2007.07.024</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-9478-6694</orcidid><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Adsorption Aluminum Silicates - chemistry Beidellite Bentonite - chemistry Chemistry Colloidal state and disperse state Earth Sciences Exact sciences and technology General and physical chemistry Geophysics Interlayer space Models, Molecular Montmorillonite Nitrogen - chemistry Sciences of the Universe Surface area Surface physical chemistry Surface Properties Swelling clay Synthetic smectite Thermodynamics Water Water - chemistry X-Ray Diffraction |
| title | Thermodynamic assessment of the variation of the surface areas of two synthetic swelling clays during adsorption of water |
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