Production of improved chrysotile asbestos fibres

Details Production of improved chrysotile asbestos fibres Production of improved chrysotile asbestos fibres

1977-08-15

1979-12-25

Bashore, S. Leon

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Mineral fibers

162153, 162154, 423167, 423331, D21B 102

Patent

active

041804333

ABSTRACT:
The filtration rate of asbestos-cement slurries formed from chrysotile asbestos fibres is improved by controlled heat treatment of the fibres at a temperature of about 400.degree. to about 600.degree. C. without loss of water of crystallization and fibre strength. The improved filtration rate allows an increased rate of production of asbestos-cement products.

REFERENCES:
patent: 1545132 (1922-07-01), Drambour
patent: 2616801 (1952-11-01), Badollet et al.
patent: 2669166 (1954-02-01), Smith
patent: 3096200 (1963-07-01), Quinn
patent: 3597514 (1971-08-01), Erlandgen
"Heat Treatment of Chrysotile Asbestos Fibers," Badollet et al. Feb. 1955 pp. 65-69.

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