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Heat Pipe Science and Technology, An International Journal

ISSN Print: 2151-7975
ISSN Online: 2151-7991

Archives: Volume 1, 2010 to Volume 8, 2017

Heat Pipe Science and Technology, An International Journal

DOI: 10.1615/HeatPipeScieTech.2016017184
pages 183-194

A STUDY ON PHENOL RESIN-BASED ADSORBENTS + ETHANOL PAIRS FOR ADSORPTIVE COOLING/REFRIGERATION

Bidyut Baran Saha
International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; Kyushu University Program for Leading Graduate School, Green Asia Education Center Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga-koen 6-1 Kasuga-shi, Fukuoka 816-8580, Japan; Mechanical Engineering Department, Kyushu University 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
Ibrahim I. El-Sharkawy
International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; Mechanical Power Engineering Department, Faculty of Engineering, Mansoura University, El-Mansoura 35516, Egypt; Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga-koen 6-1, Kasuga-shi, Fukuoka 816-8580, Japan
Shigeru Koyama
International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga-koen 6-1, Kasuga-shi, Fukuoka 816-8580, Japan

ABSTRACT

This article aims to consolidate the outcomes of a systematic investigation on the use of adsorption phenomenon for cooling and refrigeration applications. Adsorption isotherms of ethanol onto two types of phenol resin-based adsorbents treated with different mass ratios of KOH have been discussed. In the present work, the studied adsorbents are named KOH4-PR and KOH6-PR. Experiments have been conducted gravimetrically across assorted adsorption temperatures that are useful for the operation of adsorption chillers. Adsorption equilibrium uptakes have been fitted using suitable adsorption isotherm models. Experimental measurements show that one kilogram of KOH4-PR is able to adsorb about 1.443 kg of ethanol whilst the adsorption capacity of KOH6-PR/ethanol pair is as high as 2 kg·kg−1. Thermodynamic analysis of an ideal adsorption cooling cycle has also been studied. It is found that at an evaporator temperature of 10°C and desorption temperature of 80°C, the adsorption cooling cycle based on KOH6-PR/ethanol and KOH4-PR/ethanol pairs can achieve specific cooling effects of 730 and 645 kJ·kg−1, respectively.


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