C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/190
C01B 33/24 (2006.01)
Patent
CA 1126483
Abstract of the Disclosure This application is directed to a method of recovering string-like agglomerates of unit, or near unit, chrysotile asbestos fibrils from crude asbestos. The method includes the steps of forming a stable mixture of individual asbestos fibrils by mixing the crude asbestos with an aqueous solution of an asbestos dispersing agent which is effective to disperse the fibres to form a stable gel structure. The concentration of the asbestos dispersing agent in the gel structure is rapidly diluted and the dispersion, during or immediately after the dilution step, is subjected to an orienting flow. The string- like agglomerates of unit, or near unit, fibrils formed are recovered.
376247
Lees Jeremy J.
Stewart Phillip S. B.
Bereskin & Parr
Woodsreef Mines Limited
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