Preconditioning treatment of coal to minimize agglomeration

Details Preconditioning treatment of coal to minimize agglomeration Preconditioning treatment of coal to minimize agglomeration

1974-12-27

1977-01-11

Lutter, Frank W.

Distillation: processes, thermolytic

And surface treating material to reduce or prevent...

201 31, 201 36, 201 42, C10B 5708, C10L 906

Patent

active

040025357

ABSTRACT:
A method of preconditioning agglomerating coal particles to substantially prevent agglomeration of a fluid-bed reaction zone in a reactor comprising preheating thd coal particles in dense phase flow, rapidly oxidizing the particles in a vertical standpipe having a regulated thermal environment, pressurizing the particles to a pressure above reactor pressure and introducing the preconditioned coal particles into the fluid-bed reactor zone at substantially reaction pressure for reaction at an elevated temperature and at reaction pressure in the presence of a reagent.

REFERENCES:
patent: 2815316 (1957-12-01), Kruppa et al.
patent: 3070515 (1962-12-01), Sylvander
patent: 3094487 (1963-06-01), Kruppa
patent: 3337417 (1967-08-01), Albright
patent: 3357896 (1967-12-01), Gasior et al.
patent: 3632479 (1972-01-01), Lee et al.

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