GB1510397A - Effluent gas treatment process - Google Patents

Effluent gas treatment process

Info

Publication number
GB1510397A
GB1510397A GB1436176A GB1436176A GB1510397A GB 1510397 A GB1510397 A GB 1510397A GB 1436176 A GB1436176 A GB 1436176A GB 1436176 A GB1436176 A GB 1436176A GB 1510397 A GB1510397 A GB 1510397A
Authority
GB
United Kingdom
Prior art keywords
residue
effluent
per cent
effluent gas
vol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1436176A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB1436176A priority Critical patent/GB1510397A/en
Publication of GB1510397A publication Critical patent/GB1510397A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

1510397 Removal of NO x , from gaseous effluents IMPERIAL CHEMICAL INDUSTRIES Ltd 9 March 1977 [8 April 1976] 14361/76 Heading C1A Nitrogen oxides (NO) are removed from an effluent gas containing more than 50 vol. per cent N 2 and up to 1 vol. per cent NO x by contacting the gas with at least 50 parts by wt. per part by wt. of NO x (calc. as NO 2 ) of a distillation residue (KA still residue) obtained by oxidizing cyclohexane to cyclohexanol and cyclohexanone, the residue containing not more than 5 wt. per cent free cyclohexanol. The effluent gas preferably contains sufficient O 2 to oxidize NO to NO 2 , if not, air may be added. The contact temperature of the effluent with the KA residue may be 40-100‹C The process is applicable in a plant for making adipic acid from cyclohexane, in which effluent from cyclohexanone oxidation and nitric acid formation are treated with the KA distillation residue.
GB1436176A 1977-03-09 1977-03-09 Effluent gas treatment process Expired GB1510397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1436176A GB1510397A (en) 1977-03-09 1977-03-09 Effluent gas treatment process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1436176A GB1510397A (en) 1977-03-09 1977-03-09 Effluent gas treatment process

Publications (1)

Publication Number Publication Date
GB1510397A true GB1510397A (en) 1978-05-10

Family

ID=10039819

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1436176A Expired GB1510397A (en) 1977-03-09 1977-03-09 Effluent gas treatment process

Country Status (1)

Country Link
GB (1) GB1510397A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee