C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 5/00 (2006.01) B09B 3/00 (2006.01) C03B 5/027 (2006.01) C03B 5/193 (2006.01) C03B 19/10 (2006.01) C04B 18/02 (2006.01) G21F 9/30 (2006.01)
Patent
CA 2114538
Material, such as, for example, sealed double bags of as- bestos (24) containing waste or ash from infectious waste or toxic material or radioactive waste, is transferred into a glass melt of a furnace (10). Gas bubbles released into the melt form a gas curtain (12) which causes enhanced mixing of the materi- al to accelerate the dissolution of the components of the added material (7). The presence of the gas bubbles (12) reduces the cross section of the molten glass (32) through which current passes, which in tum increases the electrical resistance of the glass melt (32) or power density at constant current. A highly oxidizing hot region is produced under the location where the material is introduced into the furnace (10). Drawn off glass is shaped and quenched into at least two sizes of approximate spheres (23). The spheres (23) are cooled sufficiently fast to be thermally tempered and have a surface compressive strength le- vel above 5000 psi.
de Macedo Pedro Buarque
Litovitz Theodore Aaron
Mohr Robert Kurt
de Macedo Pedro Buarque
Litovitz Theodore Aaron
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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