Patent ID: 8858796
Filing Date: 2014-10-14
Classification: B01D

Abstract:
1. A membrane filtration assembly comprising: a membrane module having one or more permeable hollow membranes extending between an upper header and a lower header; a filtrate collection chamber associated with the upper header and the lower header and in fluid communication with lumens of said membranes, said filtrate collection chamber configured to collect filtrate withdrawn through said membrane lumens; a filtration chamber configured to receive feed liquid to be applied to the surface of membranes within said membrane module, said filtration chamber having an open upper end and a closed lower end, wherein said membrane module is located within said filtration chamber; and a feed tank configured to provide said feed liquid through said open upper end of said filtration chamber, wherein said filtration chamber is located within said feed tank, said feed tank surrounding said filtration chamber, and said open upper end of said filtration chamber is located at a height above the upper header of said membrane module.