Furnaces – Process – Incinerating refuse
Patent
1987-08-12
1988-11-29
Warner, Steven E.
Furnaces
Process
Incinerating refuse
34183, 110220, 110227, 110238, F23G 704
Patent
active
047873230
ABSTRACT:
Oily sludges containing volatile hydrocarbons are mixed with diatomaceous earth or perlite in a system which includes an indirect dryer for vaporizing liquids have a boiling point of less than about 700.degree. F. Dried solids are discharged from the dryer and conveyed to an oxidation unit comprising a rotary kiln or lift pipe combustor. Dried hydrocarbon free solids are recirculated for mixing with the oily sludge and condensable vapors are condensed and separated for further use or disposal. A system including the indirect dryer, condenser, oxidation unit, separators for the condensate and separators for gaseous products can be modified to receive hydrocarbon contaminated soils and other earth-like materials having particle sizes ranging from as low as 10 microns up to about 1.0 inches.
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Beer Gary L.
Li Ying H.
Atlantic Richfield Company
Martin Michael E.
Warner Steven E.
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