Formation and stability of HCFC–141b hydrate in organic phase change emulsion

ZHOU Linchen; SUN Zhigao; LU Ling; WANG Sai; LI Juan; LI Cuimin

doi:10.11949/j.issn.0438-1157.20181289

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Formation and stability of HCFC–141b hydrate in organic phase change emulsion

Thermodynamics | 更新时间：2026-07-24

- Formation and stability of HCFC–141b hydrate in organic phase change emulsion
- CIESC Journal Vol. 70, Issue 5, Pages: 1674-1681(2019)
- 作者机构：
  
  苏州科技大学环境科学与工程学院，江苏苏州 215009
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181289
  CLC： TK 02
- Received：02 November 2018，
  
  Revised：2019-01-15，
  
  Online First：24 July 2026，
  
  Published：05 May 2019
- 稿件说明：
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周麟晨, 孙志高, 陆玲, 王赛, 李娟, 李翠敏. 有机相变乳液中HCFC–141b水合物生成及稳定性[J]. 化工学报, 2019, 70(5): 1674-1681

ZHOU Linchen, SUN Zhigao, LU Ling, WANG Sai, LI Juan, LI Cuimin. Formation and stability of HCFC–141b hydrate in organic phase change emulsion[J]. CIESC Journal, 2019, 70(5): 1674-1681
周麟晨, 孙志高, 陆玲, 王赛, 李娟, 李翠敏. 有机相变乳液中HCFC–141b水合物生成及稳定性[J]. 化工学报, 2019, 70(5): 1674-1681 DOI： 10.11949/j.issn.0438-1157.20181289.

ZHOU Linchen, SUN Zhigao, LU Ling, WANG Sai, LI Juan, LI Cuimin. Formation and stability of HCFC–141b hydrate in organic phase change emulsion[J]. CIESC Journal, 2019, 70(5): 1674-1681 DOI： 10.11949/j.issn.0438-1157.20181289.

摘要

为了促进水合物形成，在HCFC–141b、有机相变材料（正癸酸和十二醇）和水体系中添加表面活性剂Tween 80和Span 80作为乳化剂，采用高速搅拌的方法制备了有机相变材料-表面活性剂-制冷剂-水乳液体系，增大水分子与制冷剂的接触面积。实验研究了静态条件下有机相变材料和表面活性剂添加量对水合物形成的影响。研究结果表明添加乳化剂可以有效提高水合物的蓄冷量，减少水合物形成诱导时间，降低水合物生成的随机性；温度越低，水合物促进效果越好。水合物生成/分解循环实验表明，添加Tween 80的乳液体系的稳定性好，有机相变乳液提高了水合物生成/分解循环过程的稳定性。

Abstract

To promote the hydrate formation

surfactants Tween 80 and Span 80 are added as emulsifiers in HCFC-141b

organic phase change materials (

-decanoic acid and dodecyl alcohol) and water system. Organic phase change material-surfactant-refrigerant aqueous emulsion is prepared by high-speed stirring. Emulsion increases the contact area of water and HCFC–141b. The effects of organic phase change materials and surfactants on the formation of hyd

rates are investigated experimentally under static conditions. The results show that emulsifier can effectively increase the cold storage capacity of hydrate

reduce the induction time of hydrate formation

and reduce the randomness of hydrate formation. The lower the temperature of emulsion systems

the better hydrate promotion effect. The hydrate formation/decomposition cycle experiments show that the emulsion system with Tween 80 has good stability

and the organic phase change emulsion improves the stability during the hydrate formation/decomposition cycle.

关键词

Keywords

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