Continuous process and equipment for the recovery of nitrogen ox

Details Continuous process and equipment for the recovery of nitrogen ox Continuous process and equipment for the recovery of nitrogen ox

1982-10-13

1985-06-04

Doll, John

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423393, C01B 2140

Patent

active

045213909

ABSTRACT:
This invention relates to a continuous process for the recovery of nitrogen oxides from a gaseous mixture containing, with other chemicals, said nitrogen oxides and in general some oxygen. This process is characterized by the fact that this gaseous mixture flows simultaneously with an aqueous liquid which may be pure water or an aqueous nitric acid solution over a carbonaceous adsorbing layer which may be made of activated carbon.

REFERENCES:
patent: 1433969 (1922-10-01), Noyes et al.
patent: 2856259 (1958-10-01), Bollinger
patent: 2992895 (1961-07-01), Feustel et al.
patent: 3472620 (1969-10-01), Riga
patent: 3710548 (1973-01-01), Coughlin
patent: 3960507 (1976-06-01), Tsujikawa et al.
patent: 4219536 (1980-08-01), Hoenke
Chemical Abstracts, vol. 81, Dec. 16, 1974, abstract 158222f, p. 332.
Synopsis of Japanese Patent Laid-Open No. 90680/74.
Synopsis of Japanese Patent Laid-Open No. 94478/76.

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