Method and system of pyroprocessing waste products, particularly

Details Method and system of pyroprocessing waste products, particularly Method and system of pyroprocessing waste products, particularly

1991-10-01

1992-12-15

Favors, Edward G.

Furnaces

Refuse incinerator

Means for cleaning by combustion

110229, 110346, 134 19, 432 5, 432 72, F23G 512

Patent

active

051707250

ABSTRACT:
Waste products, particularly scrap metal, adulterated by organic components, is pyroprocessed by: (1) shredding the adulterated scrap metal into particles having a maximum size of 5 cm.; (2) in a pyrolysis stage operating at a temperature of approximately 550.degree. C. to 600.degree. C. converting the particles into solids and pyrolysis gas; (3) in a mechanical processing stage separating the solids into unadulterated metal and pyrolysis coke; and (4) in a high-temperature gasification stage into which an oxidizing agent and, optionally, metallurgical coke is introduced converting the pyrolysis coke together with pyrolysis gas stemming from the pyrolysis stage into a heating gas free of organic substances.

REFERENCES:
patent: 3807321 (1974-04-01), Stockman
patent: 4032361 (1977-06-01), Eriksson et al.
patent: 4141373 (1979-02-01), Kartanson et al.
patent: 4784603 (1988-11-01), Robak, Jr. et al.
patent: 4789332 (1988-12-01), Ramsey et al.

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