Measurement and analysis of physical properties of mixed liquid desiccants based on calcium chloride solution

SHEN Zijing; YIN Yonggao; ZHANG Xiaosong

doi:10.11949/j.issn.0438-1157.20160050

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Measurement and analysis of physical properties of mixed liquid desiccants based on calcium chloride solution

更新时间：2025-11-26

- Measurement and analysis of physical properties of mixed liquid desiccants based on calcium chloride solution
- CIESC Journal Issue 7, Pages: 3004-3009(2016)
- 作者机构：
  
  东南大学能源与环境学院, 能源热转换及其过程测控教育部重点实验室,江苏,南京,210096
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20160050
  CLC： B61
- Online First：05 July 2016，
  
  Published：05 July 2016
- 稿件说明：
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SHEN Zijing, YIN Yonggao, ZHANG Xiaosong. Measurement and analysis of physical properties of mixed liquid desiccants based on calcium chloride solution[J]. CIESC Journal, 2016, (7): 3004-3009.
DOI：

SHEN Zijing, YIN Yonggao, ZHANG Xiaosong. Measurement and analysis of physical properties of mixed liquid desiccants based on calcium chloride solution[J]. CIESC Journal, 2016, (7): 3004-3009. DOI： 10.11949/j.issn.0438-1157.20160050.

摘要

为了改善单一除湿盐溶液的性能，同时降低耗费成本，越来越多的学者致力于混合除湿盐溶液的研究。考虑以价格低廉但除湿效果一般的氯化钙溶液为基础溶液，添加氯化锂或溴化锂颗粒形成混合溶液来提高单一氯化钙溶液的除湿能力。测量了单一氯化钙溶液，加LiCl/LiBr颗粒后饱和混合溶液的质量浓度，探究极限溶解度，其次对氯化钙、氯化锂不同配比混合溶液在不同温度下的黏度及表面张力进行了测量。通过溶解度的实验测量，发现已经饱和的氯化钙溶液中还可继续溶解最高达8%的LiCl/LiBr晶体。测量得不同配比氯化锂、氯化钙混合溶液的黏度与表面张力值，通过比较发现氯化锂与氯化钙1：1的质量比下，混合溶液的黏度与表面张力均最低。

Abstract

In order to improve the performance of the single desiccant solution and reduce the cost

the study of mixed liquid desiccants has been conducted by many researchers. Taking into account the low cost and weak dehumidification performance and for the sake of improving dehumidification performance of calcium chloride solution

adding lithium chloride or lithium bromide into frequently-used calcium chloride solution is considered in this paper. The solubility limit is explored by measuring the mass concentration of saturated mixed liquid of calcium chloride and lithium chloride or lithium bromide. Afterwards

the viscosity and surface tension of the mixed desiccants of lithium chloride and calcium chloride are measured. Through the experimental data of solubility

it is found that the saturated concentration of mixed liquid desiccants promotes up to 8% compared with saturated calcium chloride solution. The viscosity and surface tension of different mixing ratio of calcium chloride and lithium chloride solution show the lowest value at 1:1 mass ratio.

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