Apparatus for regeneration of spent active carbon

Details Apparatus for regeneration of spent active carbon Apparatus for regeneration of spent active carbon

1977-03-23

1978-10-17

Yuen, Henry C.

Heating

Shaft type

Having combustion products generated in or fed to shaft

432102, 34168, 252418, 201 34, F27B 1510, B01J 812

Patent

active

041206444

ABSTRACT:
The present invention provides a double-cylinder type apparatus for the regeneration of active carbon, which comprises a heating furnace provided with at least one burner and at least one annular regeneration chamber composed of at least one set of an inner cylinder and an outer cylinder installed concentrically inside said heating furnace, said outer cylinder having a plurality of holes penetrating the side wall thereof, wherein the spent active carbon is supplied to the upper part of said annular regeneration chamber and the regenerated carbon is to be taken out at the lower part of the same. The heating of said annular regeneration chamber from the side of said inner cylinder is performed either by introducing the flue gas arising in said heating furnace into the inner cylinder or by providing at least one burner within said inner cylinder and utilizing the combustion gas from said burner. The spent active carbon can be regenerated by subjecting the same to the process comprising drying, calcination and reactivation by the use of the flue gas.

REFERENCES:
patent: 685336 (1901-10-01), Leroy et al.
patent: 3033545 (1962-05-01), Azbe
patent: 3544096 (1970-12-01), Buchner
patent: 4007014 (1977-02-01), Matsumoto et al.
patent: 4007093 (1977-02-01), Doilov et al.
patent: 4008994 (1977-02-01), Numasaki et al.

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