Flare Gas Waste Heat Recovery: Assessment of Organic Rankine Cycle for Electricity Production and Possible Coupling with Absorption Chiller

Hamza Semmari, Abdelkader Filali, Sofiane Aberkane, Renaud Feidt and Michel Feidt
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Hamza Semmari: Mechanical Engineering Department, National Polytechnic School of Constantine, BP75, A, Nouvelle Ville Ali Mendjli, Constantine 25000, Algeria
Abdelkader Filali: Mechanical Engineering Department, National Polytechnic School of Constantine, BP75, A, Nouvelle Ville Ali Mendjli, Constantine 25000, Algeria
Sofiane Aberkane: Mechanical Engineering Department, Faculty of Applied Sciences and Engineering, Universiy Akli Mohand Oulhadj—Bouira, Rue Drissi Yahia, Bouira 10000, Algeria
Renaud Feidt: INVIVO Expertises, 13 rue de Clermont, 44000 Nantes, France
Michel Feidt: Laboratory of Energetics and Theoretical and Applied Mechanics, University of Lorraine, 2 av. de la Forêt de Haye, 54504 Vandoeuvre CEDEX, France

Energies, 2020, vol. 13, issue 9, 1-16

Abstract: Every year, flare gas is responsible for more than 350 million tons of CO 2 emissions. Aside from thermal and environmental pollution impacts, flare gas contributes to global warming and enormous economic losses. Thus, waste heat recovery due to flaring gas can be explored through Organic Rankine Cycle ORC systems for electricity production. In this context, the assessment of a toluene ORC system is proposed for a potential application in an Algerian petrochemical unit. The study focuses mainly on highlighting the potential and thermodynamic performances of the ORC application to produce electricity and potential cooling thanks to coupling an absorption chiller by recovering heat due to flaring gas. Such a solution can easily be implemented as an energy efficiency key solution. The ORC electrical production can meet the increasing demand of natural gas initially intended to be provided to a gas power plant and assures the major part of the Algerian electrical production.

Keywords: flare gas; ORC; electricity production; thermodynamic performance; absorption chiller (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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