A robust and efficient algorithm for vapor-liquid-equilibrium/liquid-liquid-equilibrium (VLE/LLE) phase boundary tracking

被引：4

作者：

Chen, Zhuo ^{[1
]}

Xu, Lingfei ^{[1
]}

Zhou, Ying ^{[1
]}

Li, Ruixue ^{[2
,3
]}

Li, Huazhou ^{[1
,4
]}

机构：

[1] Univ Alberta, Fac Engn, Sch Min & Petro Engn, Edmonton, AB T6G 1H9, Canada

[2] Chengdu Univ Technol, Coll Energy, Chengdu 610059, Peoples R China

[3] Chengdu Univ Technol, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610059, Peoples R China

[4] Univ Alberta, Petro Engn, Edmonton, AB, Canada

来源：

CHEMICAL ENGINEERING SCIENCE | 2023年 / 266卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Vapor -liquid equilibria; Liquid -liquid equilibria; Phase diagram; Phase boundary; Equation of state; Algorithm development; PHYSICAL-PROPERTY MEASUREMENTS; AVOIDING TRIVIAL ROOTS; ASPHALTENE PRECIPITATION; THERMODYNAMIC PROPERTIES; CUBIC EQUATIONS; CARBON-DIOXIDE; TEMPERATURE; BEHAVIOR; OIL; FLOW;

D O I：

10.1016/j.ces.2022.118286

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A novel phase-boundary tracking method is proposed to precisely capture the vapor-liquid/liquid-asphaltene and vapor-liquid/liquid-liquid two-phase boundaries in pressure-temperature and pressure-composition phase diagrams. The two-phase boundary determined by the proposed phase -boundary tracking method intersects the three-phase boundary at the apex of the three-phase region, which indicates the continuation of the three-phase region. The calculated two-phase boundaries also agree well with those documented in the literature.CO 2022 Elsevier Ltd. All rights reserved.

引用

页数：16

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