Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture
Patent
1990-10-05
1993-02-16
Langel, Wayne
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
210748, 210749, 210765, 423212, 4232155, 423219, 423220, 423226, 423235, 4232452, 423246, 423240R, 4232422, 4232421, B01D 4702
Patent
active
051869160
ABSTRACT:
A method for purifying flue-gasses and other hot, oxidative waste gasses originating from industrial installations, combustion furnaces, engines and the like, whereby the hot gas to be purified is passed through at least one spraying chamber or -area and is contacted therein with a gas washing liquid, which is sprayed into the hot gas flow and cools the gas to below 100.degree. C., whereby residual liquids with a high C.Z.V.-value, which comprise complex builders, compounds of heavy metals, sulphur- and nitrogen compounds, and originating amongst others from fixing-baths and the like from the photographic, photochemical and galvanic industries, are used as gas washing liquid.
REFERENCES:
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patent: 3923954 (1975-12-01), Petrey et al.
patent: 4053555 (1977-10-01), Bolme
patent: 4081509 (1978-03-01), Hishinuma et al.
patent: 4212853 (1980-07-01), Fukui
patent: 4294928 (1981-10-01), Tamony et al.
patent: 4647441 (1987-03-01), Heiting
patent: 4879102 (1989-11-01), Hoppe et al.
cf. Gladky A. V. Prostiye metody ochistki ot dioksida sery dymovykh gasov elektrostantsi bez utilizatsii ulovlelnnykh produktov., Mocsow, TsINTIKhlMNEFTEMASH, 1988, p. 15.
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