Unpublished conference/Abstract (Scientific congresses and symposiums)
Thermochemical conversion routes of lignocellulosic biomass
Gerbinet, Saïcha; Léonard, Angélique
2012BERA workshop
 

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Abstract :
[en] The thermo-chemical route, especially the gasification process is considered. This process converts carbonaceous biomass into combustible gas (CO, H2, CO2, CH4 and impurities) called syngas and this syngas can be converted into a large range of products. Production of four of these compounds is specifically investigated: ethylene, propylene, diesel and DME. Diesel can be produced via a Fischer-Tropsch process, whereas DME (dimethyl ether) can be obtained directly or from methanol which is obtained from syngas. DME and diesel can serve as fuels in traditional motors. Syngas can also be used to produce ethylene and propylene, two building blocks for the chemical industry. An important bibliography study has been done to understand these processes in order to evaluate their environmental impacts. The Life Cycle Assessment (LCA) methodology will be used in this regard. A bibliography study on the LCA articles published in this filled has been performed and it appears that few studies have yet focused on the environmental impacts of the gasification process and production of biofuels. Most of the time, they do not use the LCA methodology or they do not take into account land use change impact and are only “well-to-tank” studies. Moreover, it seems that the production of building blocks for the chemical industry has never been investigated. During the next stages of this work, the best conversion routes of lignocellulosic biomass, in an environmental sense, will be determined. Gasification will also be compared with the fossil sector and the results will be checked by sensitivity and uncertainty analyses. The economic aspect will also be taken into account, for the better process, in an environmental view. So, the results of the full study will be a decision making tool for the industries involved in biomass valorisation and for governments.
Disciplines :
Chemical engineering
Author, co-author :
Gerbinet, Saïcha ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Procédés et développement durable
Léonard, Angélique  ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Procédés et développement durable
Language :
English
Title :
Thermochemical conversion routes of lignocellulosic biomass
Alternative titles :
[en] Voies thermochimiques de valorisation de la biomasse lignocellulosique
Publication date :
28 August 2012
Number of pages :
35
Event name :
BERA workshop
Event organizer :
Mr Jeanmart, UCL
Event place :
Louvain-La-Neuve, Belgium
Event date :
27 and 28-08-2012
Available on ORBi :
since 30 August 2012

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