Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Patent
1995-07-13
1998-03-17
Andrews, Melvyn
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
201 17, C22B 700, C22B 2100
Patent
active
057281963
ABSTRACT:
The present invention relates to a process and system for thermal waste treatment. The method according to the invention comprises subjecting the waste to thermolysis in a furnace to produce from the waste thermolysis gases and carbon containing solids; purifying the carbon containing solids into purified carbon containing solids which contain pollutants; using part of the thermolysis gases as fuel which is burned to heat the waste in the furnace; burning in a cyclone furnace at least part of the purified carbon containing solids containing pollutants to produce hot gases and to immobilize the pollutants present in the purified carbon containing solids into solids containing the pollutants; and providing the hot gases to an energy recovery device and using the energy recovery device to recover energy from the hot gases.
REFERENCES:
patent: 5302254 (1994-04-01), Martin et al.
patent: 5505822 (1996-04-01), Martin et al.
Martin Gerard
Marty Eric
Andrews Melvyn
Institut Francais du Pe'trole
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