Fluid supply system including a pressure-swing adsorption plant

Details Fluid supply system including a pressure-swing adsorption plant Fluid supply system including a pressure-swing adsorption plant

1978-08-22

1980-04-08

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55389, 210 961, 210192, B01D 5304

Patent

active

041970969

ABSTRACT:
A fluid supply system includes a pressure-swing adsorption plant e.g. for supplying oxygen-rich gas to an activated sludge reactor in a sewage works. The product gas from the plant is supplied to the utilization apparatus by a compressor at a rate dependent on the demand for the gas, while waste gas is desorbed from the plant by a vacuum pump. When using the plant to separate oxygen from an air feedstock the major proportion of the power consumed by the plant is represented by the vacuum pump, which has to impell substantially greater volumes of gas than the product compressor. To economize on the power consumed by the plant, the rate of delivery of the vacuum pump is controlled by means sensitive to the demand of the utilization apparatus for product gas, so that a reduction in the demand from the product compressor leads to a reduction in the power consumption of the vacuum pump.

REFERENCES:
patent: 3257772 (1966-06-01), Maddox et al.
patent: 3561464 (1971-02-01), Sher et al.
patent: 3748262 (1973-07-01), Lee et al.
patent: 3796022 (1974-03-01), Simonet et al.
patent: 3856671 (1974-12-01), Lee et al.
patent: 3922149 (1975-11-01), Ruder et al.
patent: 3923477 (1975-12-01), Armond et al.
patent: 4065272 (1977-12-01), Armond

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