Vitrification of asbestos waste

Details Vitrification of asbestos waste Vitrification of asbestos waste

1986-08-25

1987-07-07

Lindsay, Jr., Robert

Glass manufacturing

Processes

Fining or homogenizing molten glass

65 27, 501 32, 501155, C03B 502, C03C 3087

Patent

active

046784934

ABSTRACT:
Waste asbestos is converted into a glass by maintaining within an electrical glass melting furnace a body of molten glass at a temperature above the decomposition temperature of asbestos; supplying asbestos to the furnace; and withdrawing molten glass from the furnace at a temperature of at least 1000.degree. C. The asbestos is advantageously mixed with cullet and a melt accelerator and fed into the furnace by means of a screw mixer/conveyor. The furnace is advantageously operated at a pressure less than atmospheric pressure.

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Stones & Cards in Glass Clark et al, pp. 63-64 Society of Glass Technology (No date available).

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