Ceramic honeycomb filter

Details Ceramic honeycomb filter Ceramic honeycomb filter

1980-10-15

1982-07-20

Lacey, David L.

Gas separation

Specific media material

Ceramic or sintered

55DIG30, 60311, 210510, 428117, 106104, 501 80, B01D 3920, B32B 312, C04B 2106

Patent

active

043404030

ABSTRACT:
The disclosed ceramic honeycomb filter comprises a ceramic honeycomb structural body with a multiplicity of parallel channels extending therethrough, selected channels being sealed at one ends thereof by sealing material while the remainder of the channels being sealed at opposite ends thereof by said sealing material in such a manner that, as dust-containing gas flows therethrough from said one ends to said opposite ends, the gas passes through walls between adjacent channels where the dust particles are collected. Said sealing material is alumina cement containing not more than 27% by weight of calcium oxide (CaO), or a mixture of the alumina cement and aggregates.

REFERENCES:
patent: 3549468 (1970-12-01), Messineo et al.
patent: 3824105 (1974-07-01), Capellman et al.
patent: 4041591 (1977-08-01), Noll et al.
patent: 4041592 (1977-08-01), Kelm
patent: 4264346 (1981-04-01), Mann
patent: 4276071 (1981-06-01), Outland
patent: 4293357 (1981-10-01), Higuchi et al.
patent: 4297140 (1981-10-01), Paisley
patent: 4300953 (1981-11-01), Lachman

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