GB360778A - Improvements in and relating to the manufacture of nitric acid by oxidation of ammonia - Google Patents

Improvements in and relating to the manufacture of nitric acid by oxidation of ammonia

Info

Publication number
GB360778A
GB360778A GB616931A GB616931A GB360778A GB 360778 A GB360778 A GB 360778A GB 616931 A GB616931 A GB 616931A GB 616931 A GB616931 A GB 616931A GB 360778 A GB360778 A GB 360778A
Authority
GB
United Kingdom
Prior art keywords
gases
oxidation
nitric acid
per cent
under pressure
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
GB616931A
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.)
FRITS ADOLPHE FRANCOIS PALLEMA
UCB SA
Original Assignee
FRITS ADOLPHE FRANCOIS PALLEMA
UCB SA
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 FRITS ADOLPHE FRANCOIS PALLEMA, UCB SA filed Critical FRITS ADOLPHE FRANCOIS PALLEMA
Priority to GB616931A priority Critical patent/GB360778A/en
Publication of GB360778A publication Critical patent/GB360778A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia

Abstract

Gases escaping from the absorption columns for nitric acid produced by oxidation of ammonia under pressure are heated to such a temperature that they can be expanded in expansion machines without their condensation point being reached. Since no acid liquor condenses, the expansion can take place in centrifugal machines made of ordinary materials, provided with outside bearings to avoid contact of the gases with lubricating oil. The heating may be effected indirectly as with steam, or preferably directly by the combustion in the gas of a liquid or gaseous fuel. In an example, the moist gases at a pressure of 7 kilos and containing 3.5 per cent oxygen and 0,15 per cent nitrogen oxides are dried and heated under pressure to about 450 DEG C. by atomized oil, introduced by a pump without primary air or atomizing steam. The hot combustion gases pass to a regenerating turbine.
GB616931A 1931-02-27 1931-02-27 Improvements in and relating to the manufacture of nitric acid by oxidation of ammonia Expired GB360778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB616931A GB360778A (en) 1931-02-27 1931-02-27 Improvements in and relating to the manufacture of nitric acid by oxidation of ammonia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB616931A GB360778A (en) 1931-02-27 1931-02-27 Improvements in and relating to the manufacture of nitric acid by oxidation of ammonia

Publications (1)

Publication Number Publication Date
GB360778A true GB360778A (en) 1931-11-12

Family

ID=9809662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB616931A Expired GB360778A (en) 1931-02-27 1931-02-27 Improvements in and relating to the manufacture of nitric acid by oxidation of ammonia

Country Status (1)

Country Link
GB (1) GB360778A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1091094B (en) * 1956-01-09 1960-10-20 Grande Paroisse Azote & Prod C Process and plant for the production of nitric acid
US3450498A (en) * 1965-05-28 1969-06-17 Humphreys & Glasgow Ltd Process for the manufacture of nitric acid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1091094B (en) * 1956-01-09 1960-10-20 Grande Paroisse Azote & Prod C Process and plant for the production of nitric acid
US3450498A (en) * 1965-05-28 1969-06-17 Humphreys & Glasgow Ltd Process for the manufacture of nitric acid

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