Patent ID: 7258797
Filing Date: 2007-08-21
Classification: B01D,B01J,D06L

Abstract:
1. A filter system for removing water from a lipophilic fluid comprising: a. a filter housing; b. an inlet port in the housing for receiving a lipophilic fluid and water emulsion comprising a lipophilic fluid and water, and optionally, a surfactant; c. an outlet port in the housing for releasing a pure or substantially pure lipophilic fluid; d. a quantity of water absorbing agent having a water absorbing capacity of at least about 50 g of water/g of water absorbing agent, the water absorbing agent is housed within the housing; and e. a source of the lipophilic fluid and water emulsion in fluid communication with the water absorbing agent through the inlet port; wherein the lipophilic fluid is selected from the group consisting of linear or cyclic siloxanes, perflourinated amines, C6 or higher diols, polyol esters, and mixtures thereof; and distribution of the water absorbing agent within the housing is greater nearer the outlet port than the inlet port.