B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 46/10 (2006.01) B01D 39/20 (2006.01) B01D 46/24 (2006.01) C04B 38/00 (2006.01) F01N 3/02 (2006.01) F01N 3/022 (2006.01)
Patent
CA 2159892
A method for closing a passage in a filter body sample made from a solidifiable plastic or plastifiable particle-based material and comprising a plurality of coestending throughgoing passages separated by ccmmon passage walls, the method comprising deforming passage walls adjacent to the passage. This method vastly simplifies the manufacturing of filter bodies for use in e.g. filtering fiue gasses or substtates for holding a catalyst. The filter body is preferably made of SiC. Producing a filter body for filtering flue gas may ccmprise: producing, from a solidifiable plastic or plastifiable particle-based material, a filter body sample comprising a plurality of coextending throughgoing passages separated by common passage walls; closing one end of substantially each passage by deforming passage walls adjacent to the passage, and; subsequently solidifying the plastic or plastifiable particle-based material to a porous solid material.
Gowling Lafleur Henderson Llp
Silentor Notox A/s
LandOfFree
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