Process for producing formed activated coke

Details Process for producing formed activated coke Process for producing formed activated coke

1994-06-14

1996-06-11

Hoffmann, John M.

Distillation: processes, thermolytic

In a moving bed

201 34, 201 38, 201 42, 502430, 502432, 432102, 432171, 432207, C10B 4720

Patent

active

055251960

ABSTRACT:
An improved process for producing a formed activated coke for simultaneous desulfurization and denitrification, which includes passing a ground coal through a tubular or cylindrical carbonization retort by using a hot gas stream, to subject the coal to preliminary carbonization to obtain a semi-coke, adding a caking agent to the semi-coke and forming the mixture, subjecting the formed material to carbonization to obtain a formed coke, and transferring the formed coke from the top to the bottom of a vertical multi-tubular retort of indirect heating and cooling (cooling is optional) type that includes a distribution section, a heating section, an activation section and a cooling section (the distribution section and the cooling section are optional) arranged in this order (the distribution section is at the top), to activate the formed coke.

REFERENCES:
patent: 1824282 (1931-09-01), Loughrey
patent: 1826209 (1931-10-01), Godel
patent: 2339742 (1944-01-01), Fuchs
patent: 3316155 (1967-04-01), Holowaty
patent: 3455789 (1969-07-01), Landers
patent: 3869350 (1975-03-01), Goossens et al.
patent: 4002535 (1977-01-01), Albright
patent: 4251323 (1981-02-01), Smith
patent: 5270279 (1993-12-01), Shiraishi

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