Importance

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Abstract

A scrubbing tower and high pressure settler assembly, and the process for using same to remove particulates from a hot partial oxidation gas stream is disclosed. The scrubbing tower and high pressure settler assembly has a dip tube, a bottom portion, a top portion, and a high pressure settler. The dip tube transports partial oxidation gas from an injection point on the exterior of the scrubbing tower into a volume of water contained in the bottom portion of the scrubbing tower. A blowdown port capable of removing particulate matter is connected to the bottom portion of the assembly. A series of trays is provided in the top portion of the scrubbing tower. The top portion of the scrubbing tower also has inlet ports for receiving water and an outlet port for releasing the scrubbed partial oxidation gas. The use of the high pressure settler facilitates higher particulate settling rates as well as higher scrubbing efficiencies. Preferably, the high pressure settler exists as a sump internal to the scrubbing tower or a sump and quiet zone combination that is internal to the scrubbing tower.

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First Claim