Volume 42, Issue 9 pp. 1941-1951
Research Article

Hydrogen and CO2 Management in the Refinery with Fuzzy Multiobjective Nonlinear Programming

Mohammad Reza Sardashti Birjandi

Mohammad Reza Sardashti Birjandi

University of Sistan and Baluchestan, Department of Chemical Engineering, Daneshgah Street, 98164-161 Zahedan, Iran

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Farhad Shahraki

Corresponding Author

Farhad Shahraki

University of Sistan and Baluchestan, Department of Chemical Engineering, Daneshgah Street, 98164-161 Zahedan, Iran

Correspondence: Farhad Shahraki ([email protected]), University of Sistan and Baluchestan, Department of Chemical Engineering, Daneshgah Street, Zahedan 98164-161, Iran.Search for more papers by this author
Kiyanoosh Razzaghi

Kiyanoosh Razzaghi

University of Sistan and Baluchestan, Department of Chemical Engineering, Daneshgah Street, 98164-161 Zahedan, Iran

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First published: 09 April 2019
Citations: 3

Abstract

An innovative approach for optimization of the hydrogen network in a refinery is presented. The optimization problem was formulated as a fuzzy-based multiobjective nonlinear programming (FMONLP), aiming at simultaneous minimization of the total annual cost and CO2 emission. This is achieved by defining an objective function with a weighted sum of the annual cost and CO2 emission. The weighting factors are considered as fuzzy parameters which are described based on the experts' experiences. The applicability of the proposed approach is illustrated by optimization of an Iranian refinery hydrogen network.

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