Adsorption parameter and heat of adsorption of activated carbon/HFC-134a pair

Wai Soong Loh; M. Kumja; Kazi Afzalur Rahman; Kim Choon Ng; Bidyut Baran Saha; Shigeru Koyama; Ibrahim I. El-Sharkawy

doi:10.1080/01457631003603949

Adsorption parameter and heat of adsorption of activated carbon/HFC-134a pair

Wai Soong Loh, M. Kumja, Kazi Afzalur Rahman, Kim Choon Ng, Bidyut Baran Saha, Shigeru Koyama, Ibrahim I. El-Sharkawy

研究成果: Contribution to journal › Article › 査読

15 被引用数 (Scopus)

抄録

This article presents the adsorption isotherms of HFC-134a and activated carbon Maxsorb III measured using the constant-volume-variable-pressure method. The adsorption isotherms cover temperature ranges from 293 to 338 K and pressures up to 0.7 MPa. The trends of the experimental isotherms for activated carbon are found to be identical in all cases with previous studies except that the vapor uptake is slightly higher. The adsorption characteristic of the Dubinin-Ashtakov equation has been regressed from the experimental isotherms data and the maximum specific uptake is 2.15 kg of adsorbate adsorbed per kilogram of activated carbon. The heat of adsorption, which is concentration and temperature dependent, has also been extracted from the experiments.

本文言語	英語
ページ（範囲）	910-916
ページ数	7
ジャーナル	Heat Transfer Engineering
巻	31
号	11
DOI	https://doi.org/10.1080/01457631003603949
出版ステータス	出版済み - 1 1 2010

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanical Engineering
Fluid Flow and Transfer Processes

文献へのアクセス

10.1080/01457631003603949

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引用スタイル

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abstract = "This article presents the adsorption isotherms of HFC-134a and activated carbon Maxsorb III measured using the constant-volume-variable-pressure method. The adsorption isotherms cover temperature ranges from 293 to 338 K and pressures up to 0.7 MPa. The trends of the experimental isotherms for activated carbon are found to be identical in all cases with previous studies except that the vapor uptake is slightly higher. The adsorption characteristic of the Dubinin-Ashtakov equation has been regressed from the experimental isotherms data and the maximum specific uptake is 2.15 kg of adsorbate adsorbed per kilogram of activated carbon. The heat of adsorption, which is concentration and temperature dependent, has also been extracted from the experiments.",

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AU - Loh, Wai Soong

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AU - Rahman, Kazi Afzalur

AU - Ng, Kim Choon

AU - Saha, Bidyut Baran

AU - Koyama, Shigeru

AU - El-Sharkawy, Ibrahim I.

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