Densified fuel pellets

Details Densified fuel pellets Densified fuel pellets

C - Chemistry, Metallurgy

10

L

C10L 5/44 (2006.01) C10L 5/46 (2006.01)

Patent

CA 2653577

A biomass-based fuel pellet, such as a fuel pellet which includes thermoplastic polymeric material and a substantial amount of cellulosic material, e.g. cellulosic material derived from biomass source(s), is provided. The fuel pellet commonly includes about 5 to 15 wt.% of the thermoplastic polymeric material and at least about 75 wt.% cellulosic material. Optionally, the fuel pellet may comprise a lignin additive. In certain embodiments, it may be desirable to produce the fuel pellets from a feed mixture which is substantially free of added wax material. Many embodiments of the fuel pellets are suitable for use in a coal- fired furnace and/or in other industrial boiler applications.

Pastille de combustible, comme une pastille de combustible comprenant un polymère thermoplastique et une quantité substantielle d'une matière cellulosique, par exemple une matière cellulosique tirée d'une ou de plusieurs sources de biomasse. La pastille de combustible comprend généralement de 5 à 15 % pds de polymère thermoplastique et au moins 75 % pds de matière cellulosique. la pastille de combustible peut comprendre un additif à base de lignine. Dans certains modes de réalisation, il peut être souhaitable de produire les pastilles de combustible à partir d'un mélange d'alimentation qui est presque dépourvu d'additif cireux. De nombreux modes de réalisation des pastilles de combustible conviennent à l'utilisation dans un four à charbon et/ou à d'autres utilisations liées aux chaudières industrielles.

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