The silica gel-water working pair has been commonly used for commercial adsorption chillers due to the environmental benign refrigerant and low desorption temperature (less than 85°C). However, the application has been constrained due to the vacuum working condition and Ice point. This motivates researchers to investigate alternative working pairs. The silica gel-based adsorbents - ammonia working pairs have been found to be the most promising alternative. The isotherms and heats of adsorption of the working pair are essential to be investigated for designing the adsorption reactor and predicting the chiller performance. A novel sensor-gas calorimeter has been used to simultaneously measure the adsorption isotherm and heats of adsorption. The experimental results for adsorption of ammonia on the pure silica gel and silica gel treated with different weight percentage of calcium chlorine are presented.
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ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems
July 17–22, 2005
San Francisco, California, USA
Conference Sponsors:
- Heat Transfer Division and Electronic and Photonic Packaging Division
ISBN:
0-7918-4731-4
PROCEEDINGS PAPER
Experimental Investigations of the Adsorption of NH3 on Silica Gel-Based Adsorbent Available to Purchase
Xiaolin Wang,
Xiaolin Wang
National University of Singapore, Singapore
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Wolfgang Zimmermann,
Wolfgang Zimmermann
University of Siegen, Siegen, Germany
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Kim Choon Ng,
Kim Choon Ng
National University of Singapore, Singapore
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Lizhen Gao,
Lizhen Gao
National University of Singapore, Singapore
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Ju¨rgen U. Keller
Ju¨rgen U. Keller
University of Siegen, Siegen, Germany
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Xiaolin Wang
National University of Singapore, Singapore
Wolfgang Zimmermann
University of Siegen, Siegen, Germany
Kim Choon Ng
National University of Singapore, Singapore
Lizhen Gao
National University of Singapore, Singapore
Ju¨rgen U. Keller
University of Siegen, Siegen, Germany
Paper No:
HT2005-72232, pp. 13-16; 4 pages
Published Online:
March 9, 2009
Citation
Wang, X, Zimmermann, W, Ng, KC, Gao, L, & Keller, JU. "Experimental Investigations of the Adsorption of NH3 on Silica Gel-Based Adsorbent." Proceedings of the ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. Heat Transfer: Volume 1. San Francisco, California, USA. July 17–22, 2005. pp. 13-16. ASME. https://doi.org/10.1115/HT2005-72232
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