The CO2 adsorption performance of aminosilane-modified mesoporous silicas
Aminosilane-modified MCM-41 and SBA-15 mesoporous silicas were synthesized using sodium silicate extracted from gold mine tailings slurry in this study. Pure silica source was used in the synthesis of mesoporous silica in order to compare differences in textural properties and amine loading with dif...
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| Veröffentlicht in: | Journal of thermal analysis and calorimetry 2021-12, Vol.146 (5), p.2241-2251 |
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| container_title | Journal of thermal analysis and calorimetry |
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| creator | Sari Yilmaz, Muge |
| description | Aminosilane-modified MCM-41 and SBA-15 mesoporous silicas were synthesized using sodium silicate extracted from gold mine tailings slurry in this study. Pure silica source was used in the synthesis of mesoporous silica in order to compare differences in textural properties and amine loading with differences in CO
2
adsorption performance. CO
2
adsorption analysis of the synthesized samples was carried out at 25, 75 and 100 °C. The results showed that the aminosilane-modified MCM-41 from slurry and aminosilane-modified SBA-15 from pure silica have the highest adsorption capacities of 1.55 and 1.37 mmol g
−1
, respectively. As a result, it was found that the CO
2
adsorption capacities of the aminosilane-modified samples were increased by increasing the amine contents and the specific surface area. From three kinetic models (pseudo-first-order, pseudo-second-order model and Avrami’s equation), Avrami model well represented the adsorption kinetic data for all adsorbents and revealed that multiple reaction pathway occurred in the CO
2
adsorption. In addition, aminosilane-modified samples presented good regenerability after four adsorption–desorption cycles. |
| doi_str_mv | 10.1007/s10973-020-10417-3 |
| format | Article |
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2
adsorption performance. CO
2
adsorption analysis of the synthesized samples was carried out at 25, 75 and 100 °C. The results showed that the aminosilane-modified MCM-41 from slurry and aminosilane-modified SBA-15 from pure silica have the highest adsorption capacities of 1.55 and 1.37 mmol g
−1
, respectively. As a result, it was found that the CO
2
adsorption capacities of the aminosilane-modified samples were increased by increasing the amine contents and the specific surface area. From three kinetic models (pseudo-first-order, pseudo-second-order model and Avrami’s equation), Avrami model well represented the adsorption kinetic data for all adsorbents and revealed that multiple reaction pathway occurred in the CO
2
adsorption. In addition, aminosilane-modified samples presented good regenerability after four adsorption–desorption cycles.</description><identifier>ISSN: 1388-6150</identifier><identifier>EISSN: 1588-2926</identifier><identifier>DOI: 10.1007/s10973-020-10417-3</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Adsorption ; Analytical Chemistry ; Carbon dioxide ; Chemistry ; Chemistry and Materials Science ; Inorganic Chemistry ; Measurement Science and Instrumentation ; Physical Chemistry ; Polymer Sciences ; Silica ; Silicon dioxide ; Slurries ; Sodium silicates ; Synthesis</subject><ispartof>Journal of thermal analysis and calorimetry, 2021-12, Vol.146 (5), p.2241-2251</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2021</rights><rights>Akadémiai Kiadó, Budapest, Hungary 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-686723b75ea6ef4b98360a586ef9310b964a470e71c042cb1d1efc6ed836cd373</citedby><cites>FETCH-LOGICAL-c319t-686723b75ea6ef4b98360a586ef9310b964a470e71c042cb1d1efc6ed836cd373</cites><orcidid>0000-0003-0441-7586</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10973-020-10417-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10973-020-10417-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids></links><search><creatorcontrib>Sari Yilmaz, Muge</creatorcontrib><title>The CO2 adsorption performance of aminosilane-modified mesoporous silicas</title><title>Journal of thermal analysis and calorimetry</title><addtitle>J Therm Anal Calorim</addtitle><description>Aminosilane-modified MCM-41 and SBA-15 mesoporous silicas were synthesized using sodium silicate extracted from gold mine tailings slurry in this study. Pure silica source was used in the synthesis of mesoporous silica in order to compare differences in textural properties and amine loading with differences in CO
2
adsorption performance. CO
2
adsorption analysis of the synthesized samples was carried out at 25, 75 and 100 °C. The results showed that the aminosilane-modified MCM-41 from slurry and aminosilane-modified SBA-15 from pure silica have the highest adsorption capacities of 1.55 and 1.37 mmol g
−1
, respectively. As a result, it was found that the CO
2
adsorption capacities of the aminosilane-modified samples were increased by increasing the amine contents and the specific surface area. From three kinetic models (pseudo-first-order, pseudo-second-order model and Avrami’s equation), Avrami model well represented the adsorption kinetic data for all adsorbents and revealed that multiple reaction pathway occurred in the CO
2
adsorption. In addition, aminosilane-modified samples presented good regenerability after four adsorption–desorption cycles.</description><subject>Adsorption</subject><subject>Analytical Chemistry</subject><subject>Carbon dioxide</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Inorganic Chemistry</subject><subject>Measurement Science and Instrumentation</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Silica</subject><subject>Silicon dioxide</subject><subject>Slurries</subject><subject>Sodium silicates</subject><subject>Synthesis</subject><issn>1388-6150</issn><issn>1588-2926</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LxDAQxYMouK5-AU8Fz9GZpE2aoyz-g4W9rOeQplPtsm1qsnvw2xut4M3TvGHeewM_xq4RbhFA3yUEoyUHARyhRM3lCVtgVddcGKFOs5ZZK6zgnF2ktAMAYwAX7GX7TsVqIwrXphCnQx_GYqLYhTi40VMRusIN_RhSv3cj8SG0fddTWwyUwhRiOKYin3rv0iU769w-0dXvXLLXx4ft6pmvN08vq_s19xLNgataaSEbXZFT1JWNqaUCV9V5MRKhMap0pQbS6KEUvsEWqfOK2uzzrdRyyW7m3imGjyOlg92FYxzzSyuqWpTC1Fhll5hdPoaUInV2iv3g4qdFsN_I7IzMZmT2B5mVOSTnUMrm8Y3iX_U_qS935W5v</recordid><startdate>20211201</startdate><enddate>20211201</enddate><creator>Sari Yilmaz, Muge</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0003-0441-7586</orcidid></search><sort><creationdate>20211201</creationdate><title>The CO2 adsorption performance of aminosilane-modified mesoporous silicas</title><author>Sari Yilmaz, Muge</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-686723b75ea6ef4b98360a586ef9310b964a470e71c042cb1d1efc6ed836cd373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adsorption</topic><topic>Analytical Chemistry</topic><topic>Carbon dioxide</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Inorganic Chemistry</topic><topic>Measurement Science and Instrumentation</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><topic>Silica</topic><topic>Silicon dioxide</topic><topic>Slurries</topic><topic>Sodium silicates</topic><topic>Synthesis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sari Yilmaz, Muge</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of thermal analysis and calorimetry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sari Yilmaz, Muge</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The CO2 adsorption performance of aminosilane-modified mesoporous silicas</atitle><jtitle>Journal of thermal analysis and calorimetry</jtitle><stitle>J Therm Anal Calorim</stitle><date>2021-12-01</date><risdate>2021</risdate><volume>146</volume><issue>5</issue><spage>2241</spage><epage>2251</epage><pages>2241-2251</pages><issn>1388-6150</issn><eissn>1588-2926</eissn><abstract>Aminosilane-modified MCM-41 and SBA-15 mesoporous silicas were synthesized using sodium silicate extracted from gold mine tailings slurry in this study. Pure silica source was used in the synthesis of mesoporous silica in order to compare differences in textural properties and amine loading with differences in CO
2
adsorption performance. CO
2
adsorption analysis of the synthesized samples was carried out at 25, 75 and 100 °C. The results showed that the aminosilane-modified MCM-41 from slurry and aminosilane-modified SBA-15 from pure silica have the highest adsorption capacities of 1.55 and 1.37 mmol g
−1
, respectively. As a result, it was found that the CO
2
adsorption capacities of the aminosilane-modified samples were increased by increasing the amine contents and the specific surface area. From three kinetic models (pseudo-first-order, pseudo-second-order model and Avrami’s equation), Avrami model well represented the adsorption kinetic data for all adsorbents and revealed that multiple reaction pathway occurred in the CO
2
adsorption. In addition, aminosilane-modified samples presented good regenerability after four adsorption–desorption cycles.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10973-020-10417-3</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-0441-7586</orcidid></addata></record> |
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| subjects | Adsorption Analytical Chemistry Carbon dioxide Chemistry Chemistry and Materials Science Inorganic Chemistry Measurement Science and Instrumentation Physical Chemistry Polymer Sciences Silica Silicon dioxide Slurries Sodium silicates Synthesis |
| title | The CO2 adsorption performance of aminosilane-modified mesoporous silicas |
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