Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1981-04-15
1983-03-01
Nozick, Bernard
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
55196, 55228, 55 53, 202270, 423234, 423236, 423238, 423573R, B01D 5000
Patent
active
043754503
ABSTRACT:
A gas purification system has: a first treatment apparatus, which purifies an untreated feed gas, containing toxic ingredients such as HCN gas, H.sub.2 S gas and NH.sub.3 gas, into a primary treated gas by causing the feed gas to contact with an alkaline absorbent liquid; an absorbent-liquid-resuscitation apparatus, which refreshes the absorbent liquid, after absorbing the toxic ingredients, by bubblingly introducing a resuscitation gas; and a second treatment apparatus, which further purifies the primary treated gas into a secondary treated gas by strippingly capturing any possible remnant NH.sub.3 gas still present in the former. The resuscitation gas and the toxic-ingredient-absorbed absorbent liquid are forcibly converged by premix nozzles into combined gas/liquid jets as are injected into the absorbent-liquid-resuscitation apparatus. The primary treated gas and the gas coming from the resuscitation apparatus as its effluent waste are commingled and the resultant mixed gas is then fed into and treated within the second treatment apparatus.
REFERENCES:
patent: 2288176 (1942-06-01), Baehr
patent: 2756841 (1956-07-01), Asendorf
patent: 3020138 (1962-02-01), Wethly
patent: 3104959 (1963-09-01), Grooskinsky
patent: 3248855 (1966-05-01), Hartmann
patent: 3885930 (1975-05-01), Scheerer
patent: 3920419 (1975-11-01), Schroeder et al.
patent: 4248608 (1981-02-01), Giammarco et al.
Katagiri Katsuo
Shimazu Kiyotaka
Greigg Edwin E.
Nozick Bernard
Osaka Gas Company Ltd.
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