Process for making a ceramic hot gas filter

Details Process for making a ceramic hot gas filter Process for making a ceramic hot gas filter

1997-02-06

1997-11-18

Mayes, Melvin

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156173, 156192, 264 60, 55DIG5, B32B 3126, B01D 3920

Patent

active

056883471

ABSTRACT:
A ceramic hot-gas candle filter having a porous support of filament-wound oxide ceramic yarn at least partially surrounded by a porous refractory oxide ceramic matrix, and a membrane layer on the outside surface of the porous support. The membrane layer is formed of an ordered arrangement of continuous filament oxide ceramic yarn which is at least partially surrounded by a porous refractory oxide ceramic matrix. The filter can withstand thermal cycling during backpulse cleaning and is resistant to chemical degradation at high temperatures.

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patent: 5192597 (1993-03-01), Forsythe
patent: 5196120 (1993-03-01), White
J. F. Zievers et al., "Porous Ceramics for Gas Filtration," Ceramic Bulletin, vol. 70, No. 1, pp. 108-111, 1991.
M. A. Alvin et al., "Assessment of Porous Ceramic Materials for Hot Gas Filtration Applications," Ceramic Bulletin, vol. 70, No. 9, pp. 1491-1498, 1991.
P.M. Eggerstedt et al., "Choose the Right Ceramic for Filtering Hot Gases," Chemical Engineering Progress, pp. 62-68, Jan. 1993.

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