13X@SiO2: Synthesis and Toluene Adsorption
In practice, adsorbents such as 13X have strong hydrophilicity due to their low Si/Al ratio, whose competitive adsorption between vapour and volatile organic compounds（VOCs）often impairs the actual removal effect of VOCs on the adsorbents. Here, 13X was modified using CTABr as a templating agent and...
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| Veröffentlicht in: | Wu ji cai liao xue bao 2023-05, Vol.38 (5), p.537 |
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| container_title | Wu ji cai liao xue bao |
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| creator | Ma, Xiaosen Zhang, Lichen Liu, Yanchao Wang, Quanhua Zheng, Jiajun Li, Ruifeng |
| description | In practice, adsorbents such as 13X have strong hydrophilicity due to their low Si/Al ratio, whose competitive adsorption between vapour and volatile organic compounds（VOCs）often impairs the actual removal effect of VOCs on the adsorbents. Here, 13X was modified using CTABr as a templating agent and tetraethoxysilane（TEOS）as a silica source.Based on this modified 13X, a core-shell composites with 13X core and a mesoporous silica shell, named as 13X@SiO2, was therefore synthesized. Its adsorption performance was tested by using toluene as a probe molecule under different humidity conditions on a penetration experimental device, compared with that of the pristine 13X. The results show that the adsorption capacity of sample 13X@SiO 2-2.6（2.6 mL TEOS added in the preparation）was about 18% higher than that of 13X original sample under dry conditions. At 30% and 50% relative humidity, the optimum adsorption capacity of 13X@SiO2 was increased by about 53% and 90%, respectively. In order to test the stability and reu |
| doi_str_mv | 10.15541/jim20220449 |
| format | Article |
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Here, 13X was modified using CTABr as a templating agent and tetraethoxysilane（TEOS）as a silica source.Based on this modified 13X, a core-shell composites with 13X core and a mesoporous silica shell, named as 13X@SiO2, was therefore synthesized. Its adsorption performance was tested by using toluene as a probe molecule under different humidity conditions on a penetration experimental device, compared with that of the pristine 13X. The results show that the adsorption capacity of sample 13X@SiO 2-2.6（2.6 mL TEOS added in the preparation）was about 18% higher than that of 13X original sample under dry conditions. At 30% and 50% relative humidity, the optimum adsorption capacity of 13X@SiO2 was increased by about 53% and 90%, respectively. In order to test the stability and reu</description><identifier>ISSN: 1000-324X</identifier><identifier>DOI: 10.15541/jim20220449</identifier><language>chi</language><publisher>Beijing: Chinese Academy of Sciences</publisher><subject>Adsorbents ; Adsorption ; Aluminum ; Humidity ; Relative humidity ; Silicon dioxide ; Tetraethyl orthosilicate ; Toluene ; VOCs ; Volatile organic compounds</subject><ispartof>Wu ji cai liao xue bao, 2023-05, Vol.38 (5), p.537</ispartof><rights>Copyright Chinese Academy of Sciences 2023</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Ma, Xiaosen</creatorcontrib><creatorcontrib>Zhang, Lichen</creatorcontrib><creatorcontrib>Liu, Yanchao</creatorcontrib><creatorcontrib>Wang, Quanhua</creatorcontrib><creatorcontrib>Zheng, Jiajun</creatorcontrib><creatorcontrib>Li, Ruifeng</creatorcontrib><title>13X@SiO2: Synthesis and Toluene Adsorption</title><title>Wu ji cai liao xue bao</title><description>In practice, adsorbents such as 13X have strong hydrophilicity due to their low Si/Al ratio, whose competitive adsorption between vapour and volatile organic compounds（VOCs）often impairs the actual removal effect of VOCs on the adsorbents. Here, 13X was modified using CTABr as a templating agent and tetraethoxysilane（TEOS）as a silica source.Based on this modified 13X, a core-shell composites with 13X core and a mesoporous silica shell, named as 13X@SiO2, was therefore synthesized. Its adsorption performance was tested by using toluene as a probe molecule under different humidity conditions on a penetration experimental device, compared with that of the pristine 13X. The results show that the adsorption capacity of sample 13X@SiO 2-2.6（2.6 mL TEOS added in the preparation）was about 18% higher than that of 13X original sample under dry conditions. At 30% and 50% relative humidity, the optimum adsorption capacity of 13X@SiO2 was increased by about 53% and 90%, respectively. 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Here, 13X was modified using CTABr as a templating agent and tetraethoxysilane（TEOS）as a silica source.Based on this modified 13X, a core-shell composites with 13X core and a mesoporous silica shell, named as 13X@SiO2, was therefore synthesized. Its adsorption performance was tested by using toluene as a probe molecule under different humidity conditions on a penetration experimental device, compared with that of the pristine 13X. The results show that the adsorption capacity of sample 13X@SiO 2-2.6（2.6 mL TEOS added in the preparation）was about 18% higher than that of 13X original sample under dry conditions. At 30% and 50% relative humidity, the optimum adsorption capacity of 13X@SiO2 was increased by about 53% and 90%, respectively. In order to test the stability and reu</abstract><cop>Beijing</cop><pub>Chinese Academy of Sciences</pub><doi>10.15541/jim20220449</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Adsorbents Adsorption Aluminum Humidity Relative humidity Silicon dioxide Tetraethyl orthosilicate Toluene VOCs Volatile organic compounds |
| title | 13X@SiO2: Synthesis and Toluene Adsorption |
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