A method of producing agglomerates of asbestos

Details A method of producing agglomerates of asbestos A method of producing agglomerates of asbestos

C - Chemistry, Metallurgy

01

B

23/190

C01B 33/24 (2006.01)

Patent

CA 1113687

Abstract of the Disclosure This invention is directed to a method for producing agglomerates of unit, or near unit, fibrils of chrysotile asbestos from crude chrysotile asbestos. It comprises forming a stable gel structure of unit, or near unit, fibrils of asbestos by mixing the crude asbestos with an aqueous dispersion of an asbestos dispersing agent to disperse the fibrils to form the stable gel structure. The gel structure dispersion is diluted with water in a first dilution step to form a readily pourable dispersion without diluting the concentration of the asbestos dispersing agent to a level where it is insufficient to maintain the asbestos fibrils in a dispersed state. The dispersion is rapidly diluted with water in a second dilution step sufficient to reduce the concentration of the asbestos dispersing agent to a level where it is insufficient to maintain the dispersion such that the dispersion of the fibrils collapses and agglomerates of the fibrils are formed.

320035

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