KAGAKU KOGAKU RONBUNSHU
Online ISSN : 1349-9203
Print ISSN : 0386-216X
ISSN-L : 0386-216X
Energy
Water Vapor Adsorbent FAM-Z02 and Its Applicability to Adsorption Heat Pump
Hiroyuki KakiuchiSatomi ShimookaMiki IwadeKazunori OshimaMasanori YamazakiShigeru TeradaHiromu WatanabeTakahiko Takewaki
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2005 Volume 31 Issue 4 Pages 273-277

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Abstract

CHA-type structure silicoaluminophosphate zeolite (SAPO-34) was examined as an AHP adsorbent and the influence of silicon content on its adsorption performance was evaluated. SAPO-34 with silicon content of 7.5 mol% (Functional Adsorbent Material-Zeolite 02; FAM-Z02) was selected for further testing. The water vapor adsorption isotherm of FAM-Z02 was S-shaped and highly dependent on temperature, and a small hysteresis was observed with adsorption/desorption at 363K. No changes were observed in the properties of FAM-Z02 after 100000 cycles of water vapor adsorption-desorption, indicating that FAM-Z02 is suitable durable for practical use. When the AHP was operated under conditions of TL/TM/TH=283 K/313 K/363 K, the adsorption capacity of FAM-Z02 was 4.8 times and 3.8 times those of Y zeolite and silica gel.

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© 2005 by THE SOCIETY OF CHEMICAL ENGINEERS, JAPAN
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