Non-equilibrium stage simulation of hydrate separation for H<sub>2</sub>+CH<sub>4</sub>

FENG Yingming; CHEN Guangjin; WANG Ke

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Non-equilibrium stage simulation of hydrate separation for H₂+CH₄

更新时间：2025-12-10

- Non-equilibrium stage simulation of hydrate separation for H₂+CH₄
- CIESC Journal Issue 2, Pages: 197-202(2005)
- 作者机构：
  
  石油大学流体高压相态及物性研究实验室,北京,102249
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 February 2005，
  
  Published：25 February 2005
- 稿件说明：
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FENG Yingming, CHEN Guangjin, WANG Ke. Non-equilibrium stage simulation of hydrate separation for H₂+CH₄[J]. CIESC Journal, 2005, (2): 197-202.
DOI：

FENG Yingming, CHEN Guangjin, WANG Ke. Non-equilibrium stage simulation of hydrate separation for H₂+CH₄[J]. CIESC Journal, 2005, (2): 197-202. DOI：

摘要

针对H2+CH4体系在四氢呋喃(THF)水溶液中H2的分离，提出了适合水合物多级分离技术的非平衡级算法——微元法，对此方法做了详尽的阐述.以湿壁塔为例，采用微元法计算了气、固相组成及其负荷，同时对不同温度、压力以及流量对水合物多级分离的影响做了比较.

Abstract

In this paper

a non-equilibrium stage method

the differential unit method，which is suitable for the multi-stage separation technology of hydrate

is proposed to aim at separating hydrogen from H2+CH4 gas mixtures and using tetrahydrofuran as the promoter.The differential unit method is that a whole reactor is divided into a number of units whose number may converge at infinity; that is to say

every differential unit is regarded as an instantaneous reactor the moment its number converges at infinity.This method makes sure that the simulation is close to reality.A wetted column serves as the example to calculate the gas-solid composition as well as their load with the differential unit method.The effects of multi-stage separation are compared at different temperatures

pressures and flow rates.The lower the temperature is

the more highly hydrogen is purified

and the higher the pressure is

the more highly hydrogen is purified.

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Non-equilibrium stage simulation of hydrate separation for H2+CH4

DOI：

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Abstract

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references

Non-equilibrium stage simulation of hydrate separation for H₂+CH₄