Asphalt extracting apparatus

Details Asphalt extracting apparatus Asphalt extracting apparatus

1996-03-22

1998-01-27

Bhat, Nina

Mineral oils: apparatus

Solvent extraction

196 99, 208 45, 422261, 422269, 159 22, 159DIG28, B01D 1100, C10C 118, C10G 2100

Patent

active

057118566

ABSTRACT:
There is disclosed an asphalt extracting apparatus of the Soxhlet type in which a solvent evaporated from a flask is condensed by a cooling device and then dropped into the inside of a filter device such that asphalt in an asphalt mixture inside the filter device is extracted through the filter device. With the flask and the filter device covered with a thermally insulating case, the flask and the filter device are heated and thermally insulated by the heat of a gas burner. To lower the boiling point of the solvent in the flask, each of the flask, the filter device and the cooling device is decompressed by a decompression device.

REFERENCES:
patent: 1060010 (1913-04-01), Murray et al.
patent: 2453633 (1948-11-01), Logan
patent: 3252765 (1966-05-01), Cohen De Lara et al.
patent: 4017383 (1977-04-01), Beavon
patent: 4088540 (1978-05-01), Bunas
patent: 4265860 (1981-05-01), Jennings et al.
patent: 4528068 (1985-07-01), Fiocco et al.
patent: 4588476 (1986-05-01), Warzel
patent: 4747936 (1988-05-01), Penning

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