Description of adsorption equilibrium on type A zeolites with use of the Polanyi-Dubinin potential theory |
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| Affiliation: | 1. Faculty of Learning Teacher and Education Science, Siliwangi University, Jl. Siliwangi 24, Tasikmalaya 46115, Indonesia;2. Research Center for Development of Far Infrared Region, University of Fukui, Bunkyo 3-9-1, Fukui 910-8507, Japan;3. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Haluoleo University, Kampus Bumi Tridharma, Anduonohu, Kendari 93232, Indonesia;4. Department of Physics, Faculty of Mathematics and Natural Sciences, Haluoleo University, Kampus Bumi Tridharma, Anduonohu, Kendari 93232, Indonesia;5. Department of Applied Physics, Faculty of Engineering, University of Fukui, Bunkyo 3-9-1, Fukui 910-8507, Japan;6. Ceramic Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Nagoya, Japan;7. Lab. Plasma Physics and Engineering, Institute of Electronics of the Bulgarian Academy of Sciences, 72 Tzarigradsko Shose Blvd., Sofia 1784, Bulgaria;1. Department of Physics, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University, Kampus IPB Darmaga, Bogor, West Java 16680, Indonesia;2. Department of Mechanical and Biosystem Engineering, Faculty of Agricultural Technology, Bogor Agricultural University, Kampus IPB Darmaga, Bogor, West Java 16680, Indonesia;3. Department of Physics, Graduate School of Nanoscience & Technology (WCU), KAIST Center for LED Research, and KI for the NanoCentury, KAIST, Daejeon 305-701, Republic of Korea;4. Department of Civil and Environmental Engineering, Faculty of Agricultural Technology, Bogor Agricultural University, Kampus IPB Darmaga, Bogor, West Java 16680, Indonesia;1. State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, PR China;2. Key Laboratory of Specially Functional Polymeric Materials and Related Technology, East China University of Science and Technology, Shanghai 200237, PR China;1. Karlsruhe Institute of Technology (KIT), Institute for Nuclear Waste Disposal (INE), P.O. Box 3640, D-76021 Karlsruhe, Germany;2. Lomonosov Moscow State University (MSU), Department of Chemistry, Leninskie Gory 1-3, 119991, Moscow, Russia |
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| Abstract: | A correlation between the adsorption of both water and methanol and the sodium exchange for various cations was studied on type A zeolites, and the adsorption isotherms were plotted. The isotherms were described with both the Dubinin-Astakhov (DA) and the modified Dubinin-Radushkevich-Stoeckli (DRS) equations. The type of adsorbate as well as cation influence the shape of the function of adsorption potential distribution obtained for the zeolites examined. |
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