Process for continuously drying and upgrading of organic solid m

Details Process for continuously drying and upgrading of organic solid m Process for continuously drying and upgrading of organic solid m

1983-01-13

1985-03-05

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 15, 201 41, F26B 700, F26B 504

Patent

active

045022275

ABSTRACT:
For drying organic solid materials such as, for example, brown coals, these materials are, after preheating, treated with saturated steam under a pressure of 5 to 45 bar and at a temperature of 150.degree. to 260.degree. C. Prior to the subsequent upgrading step, the water content can further be reduced by introducing superheated steam and/or a pressure relief, whereupon immediately subsequently an upgrading treatment, particularly a gasification under pressure, a briquetting or a coal liquification, is effected with the sensible or intrinsic heat from the drying stage. Preferably the dried organic solid materials are introduced into the upgrading stage while still being under a residual pressure of the drying stage.

REFERENCES:
patent: 3992784 (1976-11-01), Verschuur et al.
patent: 4369094 (1983-01-01), Flockenhaus et al.

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