Preparation and dehumidification performance of composite adsorbent for low-temperature desiccants

LAI Yanhua; WU Tao; ZHAO Linyan; DONG Zhen; HAO Zonghua; CHEN Changnian; LÜ Mingxin

doi:10.11949/j.issn.0438-1157.20150297

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Preparation and dehumidification performance of composite adsorbent for low-temperature desiccants

更新时间：2025-12-10

- Preparation and dehumidification performance of composite adsorbent for low-temperature desiccants
- CIESC Journal Issue S1, Pages: 154-158(2015)
- 作者机构：
  
  山东大学能源与动力工程学院,山东,济南,250061
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150297
  CLC： Q21.4
- Online First：30 June 2015，
  
  Published：30 June 2015
- 稿件说明：
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LAI Yanhua, WU Tao, ZHAO Linyan, et al. Preparation and dehumidification performance of composite adsorbent for low-temperature desiccants[J]. CIESC Journal, 2015, (S1): 154-158.
DOI：

LAI Yanhua, WU Tao, ZHAO Linyan, et al. Preparation and dehumidification performance of composite adsorbent for low-temperature desiccants[J]. CIESC Journal, 2015, (S1): 154-158. DOI： 10.11949/j.issn.0438-1157.20150297.

摘要

针对冷库结霜严重制约其经济性的问题

化学固体吸附除湿防霜技术逐渐得到重视。本文将对水吸附能力较强的金属卤化物与容易定型且传热传质性能较好的分子筛相结合

制成复合吸附剂

建立了低温情况下吸附材料的吸湿性能测试系统

并进行了大量测试

给出了多种材料在-5℃、-10℃、-15℃下的吸湿量及吸湿速率变化

实验结果表明复合吸附剂的吸附性能与单纯的分子筛相比有了明显的改善

13X型分子筛浸渍浓度20%的NaBr溶液所得试样吸湿量和吸湿速率性能优越

复合过程中损失较少

成本低

可作为复合吸附剂应用于冷库除湿系统中。

Abstract

Cold storage frost severely restricted its economy

to solve this problem

chemical adsorption dehumidification frost prevention technology has been paid great attention. Some kind of composite adsorbents have been made comparing metal halide which has great water adsorption capacity with molecular sieve

which has good heat and mass transfer properity

and is easy to shape. Moisture adsorption performance testing system has been constructed suitable for material under low temperature. A great many of tests have been made. The moisture adsorption capacity and rate of a variety of materials in -5℃

-10℃

-15℃ have been given. It is shown that the adsorption performance of compound adsorbent was obviously improved compared with pure molecular sieve. 13X molecular sieve dipping solution concentration 20% of NaBr had better amount of moisture adsorption and rate

less loss in the process of composition

low cost

which could be used in cold storage dehumidification system as a composite adsorbent.

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