Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1978-01-04
1980-02-12
Yudkoff, Norman
Gas separation
Means within gas stream for conducting concentrate to collector
55 94, 55 84, 101 30, B01D 4700
Patent
active
041881958
ABSTRACT:
A waste liquor treatment system comprising an evaporator in combination with a gas cooler, the evaporator providing fractional distillation of waste liquor, thereby separating the liquor into its several components of gaseous vapors, purified water and concentrated brine. Condensed liquor from the gas cooler or flushing liquor used to spray an industrial process gas in the collecting mains of the gas-producing plant provides thermal energy from its waste heat to run the evaporator. The evaporator consists of a boiler section, a condenser section, a vacuum pump, a liquor circulating pump, and nozzles for extracting the products. The gas cooler may be one or two stage. In the one stage cooler, the hot liquor which condenses in the gas cooling process or flushing liquor from the collecting mains of the gas-producing plant provides energy for the evaporator through means of a heat exchanger. In the two stage gas cooler, the hot liquor in the first stage is circulated directly to the boiler section of the evaporator. The hot liquor from the second stage is circulated through a separate heat exhanger.
REFERENCES:
patent: 2810450 (1957-10-01), Hartmann
patent: 2888135 (1958-06-01), Pilo et al.
patent: 3266559 (1966-08-01), Osborne et al.
patent: 3927153 (1975-12-01), Tarhan
patent: 4061531 (1977-12-01), Jablin
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