Patent ID: 7494531
Filing Date: 2009-02-24
Classification: B01D

Abstract:
1. An apparatus for defoaming, comprising: a vacuum system for collecting foam, said vacuum system including a vacuum head for drawing said foam through a suction hose terminating in a nozzle, said vacuum system feeding said foam into a holding tank; said holding tank initially storing a quantity of defoaming agent; and a pump for drawing said defoaming agent from said holding tank and feeding said defoaming agent to at least one injector, said at least one injector being fitted on the vacuum-side of said vacuum system, whereby said defoaming agent is actively mixed with said collected foam, reducing said collected foam, and said reduced foam and defoaming agent are recirculated through said pump; said nozzle, said suction hose, said vacuum system, said at least one injector and said holding tank being of chemical-resistant construction.