Measurement and model of density, viscosity, and hydrogen sulfide solubility in ferric chloride/trioctylmethylammonium chloride ionic liquid

Zhonghao Li; Yuanyuan Yang; Huanong Cheng; Yun Teng; Chao Li; Kangkang Li; Zhou Feng; Hongwei Jin; Xinshun Tan; Shiqing Zheng

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Measurement and model of density, viscosity, and hydrogen sulfide solubility in ferric chloride/trioctylmethylammonium chloride ionic liquid

Full Length Article | Updated：2026-01-06

- Measurement and model of density, viscosity, and hydrogen sulfide solubility in ferric chloride/trioctylmethylammonium chloride ionic liquid
- Chinese Journal of Chemical Engineering Vol. 59, Issue 7, Pages: 210-221(2023)
- Affiliations：
  
  College of Chemical Engineering, Qingdao University of Science and Technology,Qingdao,China,266042
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2023
- Accepted：
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Zhonghao Li, Yuanyuan Yang, Huanong Cheng, Yun Teng, Chao Li, Kangkang Li, Zhou Feng, Hongwei Jin, Xinshun Tan, Shiqing Zheng. Measurement and model of density, viscosity, and hydrogen sulfide solubility in ferric chloride/trioctylmethylammonium chloride ionic liquid[J]. Chinese Journal of Chemical Engineering, 2023, 59(7): 210-221.
DOI：

Zhonghao Li, Yuanyuan Yang, Huanong Cheng, Yun Teng, Chao Li, Kangkang Li, Zhou Feng, Hongwei Jin, Xinshun Tan, Shiqing Zheng. Measurement and model of density, viscosity, and hydrogen sulfide solubility in ferric chloride/trioctylmethylammonium chloride ionic liquid[J]. Chinese Journal of Chemical Engineering, 2023, 59(7): 210-221. DOI：

摘要

Abstract

The density and viscosity of ferric chloride/trioctylmethylammonium chloride ionic liquid (

FeCl

/[A336

]

Cl) with different molar ratios (

= 0.1-0.8) of FeCl

to [A336

]

Cl were measured at temperatures from 313.15 to 358.15 K and atmospheric pressure. The density and viscosity data were fitted by the relevant temperature variation equations

respectively. The variation of density and viscosity with temperature and

was obtained. The solubility of

FeCl

/[A336

]

Cl to H

S was measured at temperatures from 318.15 to 348.15 K and pressures from 0 to 150 kPa. The effects of temperature

pressure

and

on the solubility of H

S were discussed. The reaction equilibrium thermodynamic model (RETM) was used to fit the H

S solubility data

and the average relative error was less than 1.3%

indicating that the model can relate the solubility data well. And Henry's constant and chemical reaction equilibrium constant were obtained by the RETM fitting. The relationships of Henry's constant and chemical reaction equilibrium constant with temperature and

were analyzed.

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