Low temperature carbonization process for coal hydrogenation res

Details Low temperature carbonization process for coal hydrogenation res Low temperature carbonization process for coal hydrogenation res

1984-10-15

1986-04-22

Kratz, Peter

Distillation: processes, thermolytic

In a moving bed

201 35, 202118, C10B 4744

Patent

active

045840601

ABSTRACT:
A method for low temperature carbonization of coal hydrogenation residues, wherein a coal hydrogenation residue is subjected to a reduced pressure distillation in a one-shaft or multishaft screw extruder, liberated gases and vapors are drawn off, and non-volatilized remaining material is subjected to low temperature carbonization in a screw extruder.

REFERENCES:
patent: 1428458 (1922-09-01), Thompson
patent: 1810828 (1931-06-01), Hayes
patent: 1817926 (1931-08-01), McIntire
patent: 2072721 (1937-03-01), Kahn
patent: 3075912 (1963-01-01), Du Bois Eastman et al.
patent: 3691019 (1972-09-01), Brimhall
patent: 3787292 (1974-01-01), Keappler
patent: 4077868 (1978-03-01), Chambers

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