Patent ID: 7357858
Filing Date: 2008-04-15
Classification: B01D

Abstract:
1. A filter apparatus for the filtering of substances from a fluid comprising a filter housing that is transparent to microwaves, is made of a ceramic material or of a polymer material, that bounds a filter space and has an inlet and an outlet for the fluid to be filtered, a casing surrounding the filter housing, a filter element which is provided in the filter space and which is designed and arranged such that the filtering fluid can only flow through the filter element from the inlet to the outlet of the filter housing in operation, and a heating device for heating the fluid which includes a microwave source in order to act on the fluid by microwaves, the casing including a waveguide for directing microwaves from the microwave source for heating the fluid within the filter housing, wherein said filter space is separated from said casing and said microwave source by said housing.