Patent ID: 8088188

Claim:
A system for gasification, comprising: a. a reactor lower section adapted for partially combusting a carbonaceous feedstock with a gas stream comprising an oxygen supply to produce heat and mixture products comprising synthesis gas and molten slag, b. a reactor upper section adapted for pyrolyzing the synthesis gas from the reactor lower section with a first slurry stream comprising particulate carbonaceous material in a liquid carrier to produce mixture products comprising a gaseous product stream, wherein the gaseous product stream comprises synthesis gas and char, c. a heat recovery zone adapted for cooling the mixture products exiting the reactor upper section; d. a drying unit adapted for drying the mixture products exiting the heat recovery zone and a second slurry stream comprising particulate carbonaceous material in a liquid carrier, thereby vaporizing the liquid in the second slurry stream and forming a solid stream comprising particulate carbonaceous material; e. a separating device adapted for separating said char and the solid stream from the gaseous product stream in said mixture products; f. a particulate filtering device adapted for separating residual solid fines and particulates from said gaseous product stream.