Method and apparatus for the treatment and recovery of mineral f

Details Method and apparatus for the treatment and recovery of mineral f Method and apparatus for the treatment and recovery of mineral f

1992-05-22

1993-05-04

Yuen, Henry C.

Heating

With heating gas conveying, agitating, scattering or...

432 59, 432 8, 432 72, F27B 928

Patent

active

052075729

ABSTRACT:
The present invention relates to an apparatus treating waste comprising introducing a glass or mineral fiber substrate (7) contaminated with organic materials into a chamber (1) of a furnace by means of a conveyor belt (4), subjecting it to a gas consisting of a neutral gas and between 0 and 10% by volume of oxygen, heated to a temperature below the melting temperature of the waste substrate in order to pyrolyze the organic materials, and recovering the waste substrate. This apparatus has particular application to the recovery of the vitreous material forming the waste substrate, in order to recycle it for use in a glass melting furnace.

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