Furnaces – Process – Incinerating refuse
Patent
1988-12-05
1990-05-15
Favors, Edward G.
Furnaces
Process
Incinerating refuse
110185, 110229, 110236, F23G 500
Patent
active
049247859
ABSTRACT:
A semi-continuous pyrolysis arrangement is disclosed which is particularly useful in the reclamation of a base material in a substantially pure form from a composite material which has organic compounds. The furnace base barrier free zones wherein the waste material is continuously pyrolyzed as it is indexed through the furnace and each zone is controlled in a preset manner established from pyrolyzing a sample waste specimen under controlled conditions. Preferably, the waste is containerized as a particulate solid in discrete static beds permitting a fan exhaust arrangement to establish convective heat transfer with the bed while also establishing the furnace zones. An exothermic zone is provided at the end of the furnace to remove fixed carbon from the pyrolyzed waste by bleeding substoichiometric amounts of air in an oxygen temperature controlled manner to permit recovery of the waste in a substantially pure form.
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Paper Entitled "Pyrolytic Incineration of Hazardous and Toxic Waste" Dated Mar., 1987 Presented at the 1987 Spring National Meeting of The American Institute of Chemical Engineers.
Daiga Valdis R.
Schultz Thomas J.
Shah Jay K.
Favors Edward G.
Surface Combustion, Inc.
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