B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/101
B01D 46/14 (2006.01) B01D 46/12 (2006.01) B01D 46/52 (2006.01)
Patent
CA 1172972
18 48,863 ABSTRACT OF THE DISCLOSURE Filtration system configurations particularly useful for cleaning high temperature raw gas containing fine particulates such as that discharged from coal gasi- fication and fluidized bed combustion processes. Thin filter elements, having elongated clean channels on one side of a gas permeable ceramic membrane and shorter dirty channels on the other side, extend radially outward from a central duct. Raw gas flows about and through the filter elements, and clean gas which permeates the membrane enters the duct. The elements are cleaned by a back pulse of clean air, spitting the particulates to the bottom of the containing vessel and through an outlet. A high density filter packing within a containing pressure vessel is achieved by nesting a plurality of the duct and filter element modules, or through other orientations and filter element configurations.
386590
Oldham And Company
Westinghouse Electric Corporation
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