Patent ID: 9550951
Date: 2017-01-24
CPC Classifications: C10J,C10K

Claim:
1. A gasification system comprising: an entrained flow gasifier generating a high temperature synthesis gas product including at least one of fine particulate solids and volatile, water soluble species; a quench subsystem to cool the synthesis gas exiting the entrained flow gasifier to a temperature above a dew point by evaporation cooling of an injected liquid; a dry particulate removal subsystem to remove a portion of the fine particulate solids from the synthesis gas as dry solids; and a scrubber to remove a portion of the fine particulate solids and the volatile, water soluble species from the synthesis gas exiting the dry particulate removal system and in communication with said quench subsystem, wherein said scrubber recycles a fraction of a scrubber water including a remaining portion of the fine particulate solids to said quench subsystem; and a quench spray system for dispersing the recycled scrubber water as liquid droplets including the remaining portion of the fine particulate solids into the quench subsystem, wherein the droplets evaporate to promote agglomeration of at least one of fine particulate solids and volatile, water soluble species into larger particulates to be removed in the dry particulate removal system.