Compositions for forming high temperature ceramic particulate fi

Details Compositions for forming high temperature ceramic particulate fi Compositions for forming high temperature ceramic particulate fi

1992-02-10

1993-10-12

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 81, 501 82, 501 95, C04B 3806

Patent

active

052525252

ABSTRACT:
A high temperature ceramic filter is produced from a composition containing refractory cement, aggregate, pore forming additives, and sintering agents. The pore forming additives are synthetic or organic powders or fibers which sublimate, melt, or otherwise disintegrate to produce In situ pores in the cement during the refractory treatment of a cast filter. The filters produced are permeable to high temperature gases commonly found in a coal furnace and can be used to collect particulate matter present in those gases.

REFERENCES:
patent: 907328 (1908-12-01), Freeman
patent: 4419454 (1983-12-01), Long et al.
patent: 4563432 (1986-01-01), Ehlert et al.
patent: 4629483 (1986-12-01), Stanton
patent: 4692176 (1987-09-01), Israelson
patent: 4946487 (1990-08-01), Butkus
patent: 5087277 (1992-02-01), Gonzalez et al.

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