A Comprehensive Review of Syngas Production, Fuel Properties, and Operational Parameters for Biomass Conversion

Saaida Khlifi, Victor Pozzobon () and Marzouk Lajili
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Saaida Khlifi: Laboratoire Etude des Milieux Ionisés et Réactifs (EMIR), Institut Préparatoire aux Études d’Ingénieurs de Monastir (IPEIM), University of Monastir, Rue Ibn Eljazzar, Monastir 5019, Tunisia
Victor Pozzobon: Laboratoire de Génie des Procédés et Matériaux, Centre Européen de Biotechnologie et de Bioéconomie (CEBB), CentraleSupélec, Université Paris-Saclay, 3 rue des Rouges Terres, 51110 Pomacle, France
Marzouk Lajili: Laboratoire Etude des Milieux Ionisés et Réactifs (EMIR), Institut Préparatoire aux Études d’Ingénieurs de Monastir (IPEIM), University of Monastir, Rue Ibn Eljazzar, Monastir 5019, Tunisia

Energies, 2024, vol. 17, issue 15, 1-17

Abstract: This study aims to provide an overview of the growing need for renewable energy conversion and aligns with the broader context of environmentally friendly energy, specifically through producing syngas from biomass. Unlike natural gas, which is mainly composed of methane, syngas contains a mixture of combustible CO, H 2 , and C n H m . Therefore, optimizing its production requires a thorough examination of various operational parameters such as the gasifying agent, the equivalence ratio, the biofuel type, and the state, particularly in densified forms like pellets or briquettes. As new biomass sources are continually discovered and tested, operational parameters are also constantly evaluated, and new techniques are continuously developed. Indeed, these techniques include different gasifier types and the use or non-use of catalysts during biofuel conversion. The present study focuses on these critical aspects to examine their effect on the efficiency of syngas production. It is worth mentioning that syngas is the primary gaseous product from gasification. Moreover, it is essential to note that the pyrolysis process (prior to gasification) can produce, in addition to tar and char, a mixture of gases. The common feature among these gases is their versatility in energy generation, heat production, and chemical synthesis. The analysis encompasses the resulting gas features, including the yield and composition, mainly through the hydrogen-to-carbon monoxide ratio and the carbon monoxide-to-carbon dioxide ratio, as well as the lower heating value and considerations of the tar yield.

Keywords: pyrolysis; gasification; syngas; waste; operating parameters (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: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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