Asphaltene precipitation from heavy oil mixed with binary and ternary solvent blends-Reference-Cited by-同舟云学术

Asphaltene precipitation from heavy oil mixed with binary and ternary solvent blends

Published:2021-04-20 Issue:0 Volume:0 Page:
ISSN:1934-2659
Container-title:Chemical Product and Process Modeling
language:en
Short-container-title:

Author:

Rivero-Sanchez Javier A.¹,Ramos-Pallares Francisco²,Schoeggl Florian F.¹,Yarranton Harvey W.¹

Affiliation:

1. Department of Chemical and Petroleum Engineering , University of Calgary , 2500 University Dr. NW , Calgary , AB T2N 1N4 , Canada

2. Department of Chemical Engineering , Lakehead University , 955 Oliver Road , Thunder Bay , ON P7J 5E1 , Canada

Abstract

Abstract Models are required to predict the onset and precipitation of asphaltenes from mixtures of heavy oil and solvents for a variety of heavy oil applications. The regular solution approach is well suited for this objective but has not yet been tested on solvent mixtures. To do so, the onset and amount of asphaltene precipitation were measured and modeled for mixtures of heavy oil with solvent blends made up from n-alkanes, cyclohexane, and toluene at temperatures of 21 and 180 °C and pressures of 0.1 and 10 MPa. Temperature dependent binary interaction parameters (BIP) between the cyclohexane/asphaltene and toluene/asphaltene pseudo-component pairs were proposed to match the data. All other BIP were set to zero. The model with BIP determined from asphaltene precipitation in heavy oil and binary solvents predicted asphaltene precipitation from heavy oil and ternary solvent blends, generally to within the experimental error.

Publisher

Walter de Gruyter GmbH

Subject

Modelling and Simulation,General Chemical Engineering

Link

https://www.degruyter.com/document/doi/10.1515/cppm-2020-0090/pdf

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