Process for feeding slurry-pressurized and solvent-dewatered coa

Details Process for feeding slurry-pressurized and solvent-dewatered coa Process for feeding slurry-pressurized and solvent-dewatered coa

1982-03-15

1983-12-27

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 12, 44 10J, F26B 300, F26B 700

Patent

active

044222467

ABSTRACT:
Substantially dry coal fines are fed into a pressurized zone by slurrying coal fines with a liquid, water-miscible, volatile organic solvent to form a pumpable slurry, pressurizing the slurry, removing and recycling the organic solvent component of the liquid phase of the slurry, thermally drying the pressurized fines and transporting the dried, pressurized fines into the pressurized zone.

REFERENCES:
patent: 3327402 (1967-06-01), Lamb et al.
patent: 4223449 (1980-09-01), Bodle et al.

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