Determination of solubility of methane in mixture of atmospheric No.3 diesel oil - tetrahydrofuran under high pressure

HUANG Qunwu; WANG Yiping; ZHANG Guojian; HAN Lijun; LIANG Ying

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Determination of solubility of methane in mixture of atmospheric No.3 diesel oil - tetrahydrofuran under high pressure

更新时间：2025-12-10

- Determination of solubility of methane in mixture of atmospheric No.3 diesel oil - tetrahydrofuran under high pressure
- CIESC Journal Issue 2, Pages: 287-292(2008)
- 作者机构：
  
  天津大学化工学院，中国石油大港石化分公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 February 2008，
  
  Published：05 February 2008
- 稿件说明：
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HUANG Qunwu, WANG Yiping, ZHANG Guojian, et al. Determination of solubility of methane in mixture of atmospheric No.3 diesel oil - tetrahydrofuran under high pressure[J]. CIESC Journal, 2008, (2): 287-292.
DOI：

HUANG Qunwu, WANG Yiping, ZHANG Guojian, et al. Determination of solubility of methane in mixture of atmospheric No.3 diesel oil - tetrahydrofuran under high pressure[J]. CIESC Journal, 2008, (2): 287-292. DOI：

摘要

为了满足富氢气氛下煤直接液化基础数据的需要，选择常三柴油、四氢呋喃为混合溶剂，利用自建的循环法气体高压溶解度测定装置，测定了甲烷在柴油-四氢呋喃中的高压溶解度数据（273.45～293.75 K，2.09～7.97 MPa）。利用n-d-M-LP法以及C-G法计算了柴油的平均结构和特性参数，利用Peng-Robinson状态方程结合两种混合规则回归实验数据，得到CH4-柴油-四氢呋喃的交互参数，并估算了同条件下的溶解度数据，结果表明估算值与实验值吻合较好。

Abstract

In order to meet the requirement for basic data of coal direct liquefaction in hydrogen-rich gas

the data of the high-pressure solubility of methane in the mixture of atmospheric No.3 diesel oil and tetrahydrofuran at temperature from 273.45 K to 293.75 K and pressure from 2.09 MPa to 7.97 MPa were collected with a self-established apparatus that measured the solubility in the cyclic way.The average structural parameters and characteristic parameters of diesel oil were calculated with the n-d-M-LP method and Constantinou-Gani method.The regression analysis of binary interactive-parameters of methane-diesel-tetrahydrofuran with the Peng-Robinson cubic equation of state combined by two mixing rules was used to estimate the solubility data under the same condition which well agreed with experimental data.

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