Fluidized coal carbonization

Details Fluidized coal carbonization Fluidized coal carbonization

1978-10-02

1980-07-22

Scovronek, Joseph

Distillation: processes, thermolytic

Fluidized bed

48210, 201 29, 201 36, 201 37, 208 8R, C10B 4910

Patent

active

042138264

ABSTRACT:
In the multi-stage fluidized carbonization of coal to produce, oil, gas and char, oil containing vapors from the first stage are used as the fluidizing gas to dry the incoming coal feed. The oil vapor pressure of the fluidizing gas is maintained at a value under 10 mm. to prevent oil condensation in the fluidized drying vessel. The technique makes possible the recovery of sensible heat from the first stage overheads.

REFERENCES:
patent: 2773018 (1956-12-01), Parry
patent: 2955077 (1960-10-01), Welinsky
patent: 2955988 (1960-10-01), Sebastian
patent: 3043752 (1962-07-01), Foch
patent: 3375175 (1968-03-01), Eddinger et al.
patent: 3573194 (1971-03-01), Hopper et al.
patent: 3836435 (1974-09-01), Skornyakov et al.
patent: 4056443 (1977-11-01), Colletta et al.

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