Patent ID: 7875103
Filing Date: 2011-01-25
Classification: B01D

Abstract:
1. A system for particle collection and hydraulic removal comprising: a separator vessel with a gas stream inlet, a gas stream outlet, and a waste liquid sump; a liquid injector between the gas stream inlet and gas stream outlet for injecting liquid into the gas stream and encapsulating particulate within the gas stream; a liquid separator between the liquid injector and the gas stream outlet for removing waste liquid and particulate encapsulated with the waste liquid; a waste liquid recovery tank hydraulically connected to the liquid sump for receiving waste liquid; a side stream filter circuit with an inlet and outlet hydraulically connected to the waste liquid recovery tank, the side stream filter circuit including at least two filters; and a valve for selectively engaging one of the filters and isolating the other of the filters from the side stream filter circuit; wherein the liquid separator includes a helical impingement separator comprising: