Method of reducing moisture content of particulate slurries

Details Method of reducing moisture content of particulate slurries Method of reducing moisture content of particulate slurries

1974-02-22

1976-05-11

Wolk, Morris O.

Concentrating evaporators

Processes

Involving waste liquid

61 1F, 159 1S, 159 49, B01D 100, E02B 300

Patent

active

039560597

ABSTRACT:
Water evaporates from a thin film, which can be developed over the surface of soil/water slurries, at a rate as much as 30 times that of the normal pan evaporation rate in a given locale. Utilizing this discovery, a slurry having suspended solid particles which are heavier than water are placed in a shallow lagoon. The slurry is then periodically agitated through its entire profile. This agitation is repeated as often as either the formation of a dry surface appears over the lagoon or, alternatively, a noticeable clear water skin forms over the suspended solids of the slurry. By the expedient of sequentially repeating the agitation, evaporation of water present in the slurry can occur at a rate on the order of 30 times the normal pan evaporation rate of a given locale.

REFERENCES:
patent: 3290231 (1966-12-01), Ries
patent: 3456708 (1969-07-01), Jansson et al.
patent: 3578071 (1971-05-01), Johnston
patent: 3592667 (1971-07-01), Kelly et al.
patent: 3775984 (1973-12-01), Livingston
patent: 3801474 (1974-04-01), Castellucci et al.
patent: 3880703 (1975-04-01), Hardman

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