Gas separation – With recycle means
Patent
1990-09-11
1991-08-27
Nozick, Bernard
Gas separation
With recycle means
554591, B01D 4512
Patent
active
050429981
ABSTRACT:
The present invention relates to a method and apparatus for removing contaminants from gas or liquid streams, such as contaminated flue gases of refuse incinerators. The method comprises contacting a contaminated gas or liquid with neutralizing and/or absorbing substances in a whirling mixture, wherein the whirling motion is accelerated with simultaneous compression of the mixture; expansion of the compressed, whirling mixture; acceleration and compression of the expanded whirling mixture; and subsequent deceleration of the whirling mixture with removal of reaction products containing the contaminants and neutralizing and/or absorbing substances. The apparatus comprises a cylindrical chamber for contacting the contaminated gas or liquid stream with neutralizing and/or absorbing substances, and contains at least one assembly of conical inserts that cause the acceleration with simultaneous compression of the whirling mixture; expansion and subsequent re-acceleration with compression; and deceleration of the whirling mixture with removal of reaction products.
REFERENCES:
patent: 432350 (1890-07-01), Wolf
patent: 1960887 (1934-05-01), Alexander
patent: 2585440 (1952-02-01), Collins
patent: 3912469 (1975-10-01), Ewan et al.
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