Effect of liquid properties on filtration performance of filters for lubricating oil separation from natural gas

IF 3.7 3区工程技术 Q2 ENGINEERING, CHEMICAL

Chemical Engineering Research & Design Pub Date : 2025-03-05 DOI:10.1016/j.cherd.2025.02.039

Yunlan Yang , Cheng Chang , Tao Liu , Yanli Feng , Yaqian Wang , Jing Jin , Kailong Cui , Peng Xie , Xiaolin Wu

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引用次数: 0

Abstract

Lubricating oil droplets entrained in the gas seriously affect the gas injection capacity in porous natural gas storage. Liquid properties vary significantly under high pressure condition, which greatly change the filtration performance. In this paper, the effects of liquid viscosity, liquid surface tension and oil concentration on the filtration performance of industrial filters with different efficiency grades were investigated. As the upstream oil concentration is 4000 mg·m⁻³, for the same liquid surface tension, the filtration efficiency of the same filter increases with the increase of liquid viscosity; for the same liquid viscosity, the filtration efficiency first increases and then decreases with the increase of liquid surface tension in the range of 20.53–34.30 mN·m⁻¹, where the best filtration performance is found at 28.46 mN·m⁻¹. As the upstream oil concentrations increases from 4000 mg·m⁻³ to 6000 mg·m⁻³, the filtration efficiency increases for the liquid viscosity of 89.36 mm²·s⁻¹ and 234.30 mm²·s⁻¹, however, the efficiency reduces for 874.95 mm²·s⁻¹. An empirical prediction model for global saturation of filters was developed. The modelled results are in good agreement with the experimental results. Furthermore, it was found that there was a nonlinear relationship between the filtration efficiency and global saturation in the range of 0.10–0.53.

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来源期刊

Chemical Engineering Research & Design 工程技术-工程：化工

CiteScore

6.10

自引率

7.70%

发文量

623

审稿时长

42 days

期刊介绍： ChERD aims to be the principal international journal for publication of high quality, original papers in chemical engineering. Papers showing how research results can be used in chemical engineering design, and accounts of experimental or theoretical research work bringing new perspectives to established principles, highlighting unsolved problems or indicating directions for future research, are particularly welcome. Contributions that deal with new developments in plant or processes and that can be given quantitative expression are encouraged. The journal is especially interested in papers that extend the boundaries of traditional chemical engineering.