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Paper
Title

Determination of asphaltene precipitation with CPA equation of state by using a cubic equation of state with a new attractive term in physical part

دومین کنفرانس بین المللی یافته های نوین پژوهشی در شیمی و مهندسی شیمی
Year: 1395
Publish place:
COI: CHCONF02_244
Language: EnglishView: 764
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Authors

Zeinab Taherian - Department of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
Mohsen Vafaie sefti - Department of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
Mohammadmahdi Shadman - Department of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
Mohammadbagher Zare talavali - Department of Chemical Engineering, Tarbiat Modares University, Tehran, Iran

Abstract:

Asphaltene precipitation during natural depletion and miscible gas injection is a common problem in oilfields throughout the world. Therefore, predicting asphaltene phase behavior through thermodynamic modeling may help to control its precipitation and reduce the associated problems. In this work a new modified CPA (cubic- plus- association) equation of state was used to model asphaltene precipitation. This equation is based on a combination of a new physical part and an association term.The new physical part has an evolved cubic equation of state with a new attractive term. in this work, the results of this modified CPA equation of state were compered to experimental data of three lived oils and results of CPA equation of state base on SRK and PR in physical part. The results showed that this modified CPA equation of state can predict asphaltene precipitation with good accuracy.

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Paper COI Code

This Paper COI Code is CHCONF02_244. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/477569/

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Taherian, Zeinab and Vafaie sefti, Mohsen and Shadman, Mohammadmahdi and Zare talavali, Mohammadbagher,1395,Determination of asphaltene precipitation with CPA equation of state by using a cubic equation of state with a new attractive term in physical part,دومین کنفرانس بین المللی یافته های نوین پژوهشی در شیمی و مهندسی شیمی,Tehran,https://civilica.com/doc/477569

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Type of center: دانشگاه دولتی
Paper count: 34,196
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