Gas separation – Specific media material – Ceramic or sintered
Patent
1982-02-22
1983-11-29
Lacey, David L.
Gas separation
Specific media material
Ceramic or sintered
55DIG5, 55DIG30, 2105101, 422180, 60311, 291635F, B01D 3920
Patent
active
044179081
ABSTRACT:
The filter of honeycomb construction has a matrix of thin, interconnected walls which define a multiplicity of cells and which have interconnected open porosity of a volume and size sufficient to enable the fluid to flow completely across the thin walls in their narrow dimensions between adjoining cells and through the thin walls in their longer dimensions between adjoining or neighboring cells and to restrict the particulates in the fluid from flowing either completely across or through any of the thin walls, and has the cells divided into an inlet group and an outlet group and providing the inlet group of cells with substantially greater desirably about 25% or more greater, collective thin wall surface area than is provided to the outlet group of cells. Portions of the inlet group cells adjoin one another and share in common the same thin wall. Method of fabricating the filter comprises providing the matrix, and closing oen end of each of the inlet and outlet group cells, the closed ends of the inlet group cells being at an end face of the matrix opposite to the other end face thereof at which occur the closed ends of the outlet group cells, to provide the inlet group of cells with the aforesaid substantially greater collective thin wall surface area.
REFERENCES:
patent: 4276071 (1981-06-01), Outland
patent: 4329162 (1982-05-01), Pitcher, Jr.
Corning Glass Works
Lacey David L.
Wardell R. N.
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