Compositions: coating or plastic – Coating or plastic compositions – Bituminous material or tarry residue
Patent
1976-12-27
1979-05-08
Thomas, Earl C.
Compositions: coating or plastic
Coating or plastic compositions
Bituminous material or tarry residue
423210, 106273R, 422168, C08L 9500, B01D 5334
Patent
active
041534719
ABSTRACT:
The process of the invention comprises directly exposing asphalt-aggregate compositions to hot gases of combustion in which a resulting gaseous mixture comprises mineral particulate matter, nitrogen, carbon dioxide, water vapor, and volatile hydrocarbons resulting from exposure of the asphalt-aggregate composition to the hot gases of combustion, directing the resulting gaseous mixture to a treating chamber and injecting a flame into it. The apparatus according to the invention includes an elongated drum in which asphalt-aggregate composition is exposed directly to flame and/or hot gases of combustion therefrom, and means for exhausting the resulting gaseous mixture to a separate treating chamber.
REFERENCES:
patent: 3671402 (1972-06-01), Wenzel
patent: 3804079 (1974-04-01), Schrader
patent: 3817712 (1974-06-01), Wentworth
patent: 3836435 (1974-09-01), Skornyakov
patent: 3862887 (1975-01-01), Bielski
patent: 3866888 (1975-02-01), Dydzyk
patent: 3888632 (1975-06-01), Fritz et al.
patent: 3971666 (1976-07-01), Mendenhall
patent: 3977947 (1976-08-01), Pyle
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