Influence factors of methane hydrate formation from ice: Temperature, pressure and SDS surfactant

Weiguo Liu; Yanghui Li; Xiaohu Xu

doi:10.1016/j.cjche.2018.03.033

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Influence factors of methane hydrate formation from ice: Temperature, pressure and SDS surfactant

Chemical Engineering Thermodynamics | Updated：2026-01-06

- Influence factors of methane hydrate formation from ice: Temperature, pressure and SDS surfactant
- Influence factors of methane hydrate formation from ice: Temperature, pressure and SDS surfactant
- 中国化学工程学报（英文版） 2019年27卷第2期页码：405-410
- Affiliations：
  
  Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology,Dalian,China,116024
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.03.033
  中图分类号：
- 纸质出版：2019
- Accepted：
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Weiguo Liu, Yanghui Li, Xiaohu Xu. Influence factors of methane hydrate formation from ice: Temperature, pressure and SDS surfactant[J]. 中国化学工程学报（英文版）, 2019,27(2):405-410.

Weiguo Liu, Yanghui Li, Xiaohu Xu. Influence factors of methane hydrate formation from ice: Temperature, pressure and SDS surfactant[J]. Chin.J.Chem.Eng., 2019, 27(2): 405-410.
Weiguo Liu, Yanghui Li, Xiaohu Xu. Influence factors of methane hydrate formation from ice: Temperature, pressure and SDS surfactant[J]. 中国化学工程学报（英文版）, 2019,27(2):405-410. DOI： 10.1016/j.cjche.2018.03.033.

Weiguo Liu, Yanghui Li, Xiaohu Xu. Influence factors of methane hydrate formation from ice: Temperature, pressure and SDS surfactant[J]. Chin.J.Chem.Eng., 2019, 27(2): 405-410. DOI： 10.1016/j.cjche.2018.03.033.

摘要

Abstract

A series of experiments of forming hydrate from ice powders in different conditions have been carried out with constant volume method to evaluate the influence factors such as pressure

temperature

and SDS surfactant. The change of temperature and pressure were collected as a function of elapsed time

which were used to calculate the gas consumption and hydrate saturation during hydrate formation (pVT method). Based on the experimental results and the analysis

it is concluded that:(1) Both initial pressure and temperature have effect on the hydrate formation and temperature plays a more important role in the process; (2) heating and secondary pressurization will promote the gas hydrate formation and enhance the hydrate saturation as a result. Meanwhile

the promotion of heating seems to be more obvious than that of secondary pressurization; (3) different concentrations of SDS surfactant have clearly influence on the saturation of gas hydrate and there is an optimal concentration to promote the hydrate formation.

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