PROCESS OF TORREFIED BIOMASS MATERIAL PREPARATION USING COMBUSTIBLE LIQUID Russian patent published in 2018 - IPC C10L5/44 C10B53/02 C10L9/08 

FIELD: chemistry.

SUBSTANCE: invention discloses a continuous method for producing a torrefied densified biomass, comprising the steps of:(a) providing densified biomass and/or densified biosolids, (b) submerging the densified material in a hot combustible liquid, (c) and submerging the densified material in a hot combustible liquid at a temperature or within a temperature range of from about 270°C to about 320°C for a period of time of at least 10 minutes to about 120 minutes until densified biomass is torrefied, (d) transporting torrefied densified biomass from hot combustible liquid to a bath of water and (e) recovering the cooled, torrefied densified biomass from the water bath, wherein the torrefied densified biomass recovered in step (e) contains no more than about 20% w/w of water after droplet dripping for 5 minutes and contains from about 2% to about 20% w/w of hot combustible liquid. Also variants of a continuous process of torrefied densified biomass production are disclosed.

EFFECT: technical result consists in obtaining a hydrophobic torrefied densified biomass that has an increased energy density and heat of combustion.

35 cl, 19 dwg, 21 tbl, 9 ex