- 作者：Vahid Garshasbia ; Mansour Jahangiria ; mjahangiri@semnan.ac.ir" class="auth_mail" title="E-mail the corresponding author ; jahangri@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Mansoor Anbiab
- 关键词：Zeolite 13X ; Hydrothermal synthesis ; Adsorption isotherms ; Kaolin ; Bentonite ; Feldspath
- 刊名：Applied Surface Science
- 出版年：2017
- 出版时间：30 January 2017
- 年：2017
- 卷：393
- 期：Complete
- 页码：225-233
- 全文大小：2352 K
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Zeolite 13X was successfully synthesized by hydrothermal treatment using natural kaolin, natural bentonite and natural feldspath.
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The optimum conditions of synthesis zeolite 13X were found to be NaOH concentration = 4 M and crystallized at 65 °C for 72 h after homogenization by agitated at room temperature for 120 h.
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The prepared zeolite 13X from natural kaolin (13X-K) showed a high BET surface area of 591 m2/g and high micropore volume (0.250 cm3/g) than other materials in this study.
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The adsorption behavior of carbon dioxide and methane on zeolite 13X sample at different temperature from 298 K to 328 K was investigated.
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It was found that the Langmuir–Freundlich model was more suitable than the others for description of CO2 adsorption isotherms.