Patent ID: 9441887
Filing Date: 2016-09-13
CPC Classification: C10B,C10G,F23G,F27B,F27D,Y02E,Y02P

Claim Text:
1. A pyrolysis method comprising: (a) combining biomass and a solid heat carrier to provide a pyrolysis reaction mixture; (b) subjecting the pyrolysis reaction mixture to pyrolysis conditions to provide a pyrolysis effluent; (c) separating, from the pyrolysis effluent, (1) a solids-enriched fraction comprising a solid char and a recycled portion of the solid heat carrier and (2) a solids-depleted fraction comprising gaseous and liquid pyrolysis products; and (d) directly contacting in a reheater the solids-enriched fraction with (1) an oxygen-containing combustion medium to combust at least a portion of the solid char and reheat the recycled portion of the solid heat carrier and (2) a quench medium to limit the temperature of the recycled portion of the solid heat carrier, wherein at least a portion of the quench medium is introduced to the reheater in a liquid state within a dense phase bed of the heat carrier.