Process for producing a high concentration coal-water slurry

Details Process for producing a high concentration coal-water slurry Process for producing a high concentration coal-water slurry

1987-02-04

1990-02-13

Dixon, Jr., William R.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

241 21, 241 34, G10L 132

Patent

active

049003305

ABSTRACT:
A process for continuously and automatically producing a high concentration coal-water slurry having a uniform quality is provided, which process comprises always monitoring the viscosity, concentration, pH, particle diameter distribution and the like of the slurry, detecting the variations of the foregoing and adjusting the quantity of coal fed, the quantity of water fed and the quantities of a surfactant and a pH adjustor added to thereby control the specifications of the coal-water slurry to definite ones.

REFERENCES:
patent: 2824701 (1958-02-01), Vester et al.
patent: 3255975 (1966-06-01), Molin et al.
patent: 3351293 (1967-11-01), Meisel
patent: 4358293 (1982-11-01), Mark
patent: 4465495 (1984-08-01), Scheffee
patent: 4472170 (1984-09-01), Hellyer
patent: 4481015 (1984-11-01), Lusch et al.
patent: 4496367 (1985-01-01), Mathiesen et al.
patent: 4515602 (1985-05-01), Keller, Jr. et al.
patent: 4521218 (1985-06-01), Greenwald, Sr.
patent: 4706892 (1987-11-01), Klose

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