Patent ID: 7722767
Filing Date: 2010-05-25
Classification: B01D

Abstract:
1. A filter apparatus, comprising: a filter unit having ends, a filtrate manifold opening into an outlet adjacent one said filter unit end and a feed liquid inlet spaced between said ends, said filter unit including a filter housing, said feed liquid inlet defining a generally lateral feed liquid inflow path, opening generally laterally into a feed liquid zone in said filter unit; plural, generally tubular filter elements in said filter housing, a given said filter element having an exterior face exposed to said feed liquid zone in said filter housing and an interior face bounding a filtrate chamber in said given filter element, said filter elements being spaced between said feed liquid inlet and said second filter unit end, said filter elements being located out of said generally lateral feed liquid inflow path, and said filter housing and the exterior faces of said filter elements defining an elongate filter chamber; plural, elongate, generally tubular adapters, a given said adapter extending endwise from a given said filter element past said feed liquid inlet and being coupled to said filtrate manifold; and a retentate outlet at one end of said filter unit, said retentate outlet in fluid communication with said elongate filter chamber, said retentate outlet and said feed liquid inlet being adjacent opposite ends of said filter elements.