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	Prediction of Critical Endpoints Based on the PR Equation of State
	Yang Quan ; Zhu Shenlin ; Li Yigui
	2010-10-12 ; 2010-10-12 ; OCT
关键词	critical endpoint PR equation of state interaction parameter ISOTHERMAL FLASH PROBLEM VAPOR-LIQUID EQUILIBRIA PHASE-EQUILIBRIA HIGH PRESSURES MIXTURES HYDROCARBONS TEMPERATURE SYSTEM Engineering, Chemical
中文摘要	In the design of chemical processes, such as catalytic cracking of bitumen and heavy oil, the knowledge of phase behavior at the critical endpoint is essential. Based on the PR equation of state, the algorithm developed by Heidemann and Khalil for calculating critical properties was used to compute critical points. An algorithm for determining the equilibrium phase of the critical point using the tangent plane criterion was developed, and was used to calculate the critical endpoints of different mixtures, including non-polar, polar and associating systems. The critical endpoint, representing the type of the phase behavior, was employed to fit the interaction parameter of mixtures in critical state at high pressure. Lines of critical endpoints for ternary mixtures were also determined with the algorithm.
语种	英语 ; 英语
出版者	CHEMICAL INDUSTRY PRESS ; BEIJING ; NO. 3 HUIXINLI CHAOYANGQU, BEIJING 100029, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79423]
专题	清华大学
推荐引用方式 GB/T 7714	Yang Quan,Zhu Shenlin,Li Yigui. Prediction of Critical Endpoints Based on the PR Equation of State[J],2010, 2010, OCT.
APA	Yang Quan,Zhu Shenlin,&Li Yigui.(2010).Prediction of Critical Endpoints Based on the PR Equation of State..
MLA	Yang Quan,et al."Prediction of Critical Endpoints Based on the PR Equation of State".(2010).

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