Process for separating fly-ash

Details Process for separating fly-ash Process for separating fly-ash

1985-04-26

1987-10-20

Richman, Barry S.

Gas: heating and illuminating

Processes

Fuel mixtures

55 1431, 252373, 406141, C10K 102, B01D 4516, B65G 5314

Patent

active

047011858

ABSTRACT:
Process for depressurizing fly-ash being contained in a first vessel comprising a pressurized gas by expanding the gas through at least one long and narrow pipe. The inlet of the pipe(s) dips under the upper level of the fly-ash in the first vessel. The outlet of the pipe(s) is situated in a second vessel being kept at a relatively low pressure. The gas flow through the pipe(s) entrains the fly-ash.

REFERENCES:
patent: 2370207 (1945-02-01), Thorsten et al.
patent: 2879148 (1959-03-01), Atwell
patent: 3788281 (1974-01-01), Van Lookeren Champagne
Perry et al., Chemical Engineering Handbook, 5th edition, 1973, pp. 5-45 and 5-46.

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