Study on Absorbent Mixtures in Lithium Bromide Absorption Chillers
Author(s):
Abstract:
Lithium bromide aqueous solution is used as working fluid in absorption chillers because of low heat capacity as well as high water absorption capacity. However there are some difficulties such as salt crystallization and low efficiency. Usually mixtures of chemical additives and salt mixtures have been used to prevent the crystallization problems and increase the efficiency. In this paper, different types of absorption chillers have been reviewed; meanwhile the main effective parameters in the performance of lithium bromide absorption cycle have been studied. Considering different properties of Lithium Bromide and its limitations for application in absorption chillers, required additives that can be used in absorbent mixture has been investigated. In this work, previous experimental and researches on these mixtures have been studied and a collection of all the suggested additives by researchers has been presented comparing Lithium Bromide (without additives).
Keywords:
Language:
Persian
Published:
Iranian Chemical Engineering Journal, Volume:11 Issue: 64, 2013
Page:
36
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