C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 3/36 (2006.01)
Patent
CA 2626537
The present invention relates to a process and system for gasifying biomass or other carbonaceous feedstocks in an indirectly heated gasifÊer and provides a method for the elimination of condensable organic materials (tars) from the resulting product gas with an integrated tar removal step. More specifically, this tar removal step utilizes the circulating heat carrier to crack the organics and produce additional product gas. As a benefit of the above process, and because the heat carrier circulates through alternating steam and oxidizing zones in the process, deactivation of the cracking reactions is eliminated.
L'invention concerne un procédé et un système de gazéification de biomasse ou d'autres charges carbonées dans un dispositif de gazéification à réchauffement indirect, ainsi qu'un procédé permettant d'éliminer les matériaux organiques condensables (goudrons) du produit gazeux obtenu au moyen d'une étape intégrée d'extraction de goudron. Cette étape utilise, plus particulièrement, le support calorique en circulation afin de casser les matériaux organiques et de produire du gaz supplémentaire. Etant donné que le support calorique circule à travers des zones alternées de vapeur et d'oxydation, ce procédé permet avantageusement d'éliminer la désactivation des réactions de cassure.
Adams Thomas
Taylor Biomass Energy Llc
LandOfFree
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