GB956381A - Improvements in or relating to the manufacture of nitric acid - Google Patents

Improvements in or relating to the manufacture of nitric acid

Info

Publication number
GB956381A
GB956381A GB2455/61A GB245561A GB956381A GB 956381 A GB956381 A GB 956381A GB 2455/61 A GB2455/61 A GB 2455/61A GB 245561 A GB245561 A GB 245561A GB 956381 A GB956381 A GB 956381A
Authority
GB
United Kingdom
Prior art keywords
column
plates
columns
nitric acid
relating
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
GB2455/61A
Other languages
English (en)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain 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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of GB956381A publication Critical patent/GB956381A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/18—Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
    • 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
    • B01D53/14—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 by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • 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
    • C01B21/38—Nitric acid
    • C01B21/46—Purification; Separation ; Stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
GB2455/61A 1960-01-20 1961-01-20 Improvements in or relating to the manufacture of nitric acid Expired GB956381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR816139A FR1255373A (fr) 1960-01-20 1960-01-20 Perfectionnement aux colonnes d'absorption et d'oxydation des oxydes d'azote dans la fabrication de l'acide nitrique

Publications (1)

Publication Number Publication Date
GB956381A true GB956381A (en) 1964-04-29

Family

ID=8724044

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2455/61A Expired GB956381A (en) 1960-01-20 1961-01-20 Improvements in or relating to the manufacture of nitric acid

Country Status (7)

Country Link
US (1) US3137542A (en:Method)
BE (1) BE599188A (en:Method)
DE (1) DE1169424B (en:Method)
FR (1) FR1255373A (en:Method)
GB (1) GB956381A (en:Method)
NL (1) NL259707A (en:Method)
OA (1) OA01432A (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486513A1 (fr) * 1980-07-11 1982-01-15 Rhone Poulenc Ind Procede de traitement d'un courant gazeux contenant des oxydes d'azote et de l'oxygene
FR2551990B1 (fr) * 1983-09-21 1985-12-13 Rhone Poulenc Chim Base Procede de traitement d'un courant gazeux contenant des oxydes d'azote
NO162336C (no) * 1986-08-13 1989-12-13 Norsk Hydro As Fremgangsmaate og apparat for reduksjon av nitrogenoksydinnholdet i avgasser fra absorpsjonskolonne for fremstillingav salpetersyre.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2142646A (en) * 1935-05-24 1939-01-03 Du Pont Production of nitric acid
US2206495A (en) * 1938-03-30 1940-07-02 American Cyanamid Co Absorption system for nitric acid
DE970781C (de) * 1949-11-15 1958-10-30 Ruhrchemie Ag Verfahren zur mehrstufigen Absorption nitroser Gase zwecks Herstellung von Salpetersaeure
DE959823C (de) * 1949-11-15 1957-03-14 Ruhrchemie Ag Verfahren zur Oxydation nitroser Gase in mehrstufig betriebenen Oxydationsraeumen
DE1075572B (de) * 1953-07-09 1960-02-18 Societe Chimique de la Grande Paroisse, Azote et Produits Chimiques, Paris Vorrichtung zur Herstellung von Salpetersäure durch Adsorption von nitrosen Gasen

Also Published As

Publication number Publication date
FR1255373A (fr) 1961-03-10
OA01432A (fr) 1969-07-04
US3137542A (en) 1964-06-16
NL259707A (en:Method)
DE1169424B (de) 1964-05-06
BE599188A (en:Method)

Similar Documents

Publication Publication Date Title
FR1310478A (fr) Fabrication continue de feuilles et de tubes de structure lacunaire, et notamment réticulée
IT1011077B (it) Processo per ridurre la concentra zione di ossido nitrico in gas effluenti dalla combustione
ES495269A0 (es) Procedimiento para la absorcion de gases nitrosos
GB956381A (en) Improvements in or relating to the manufacture of nitric acid
JPS52156168A (en) Waste gas treatment of nitric acid plant
OA01393A (fr) Nouveaux esters carbamiques, leur préparation et leurs emplois.
SE415307B (sv) Sett att reducera halten av radioaktiva gaser i kylmedlet i en kernreaktor
BE594584A (fr) Procédé de régénération par décontamination partielle et pulvérisation de UO2 fritté, utilisé comme combustible de réacteur
FR1236090A (fr) Perfectionnements apportés aux systèmes caloporteurs du genre de ceux comportés par les piles atomiques ou réacteurs nucléaires refroidis notamment au gaz
GB527037A (en) Improvements in and relating to the absorption of nitrogen oxides to form nitric acid
DK105058C (da) Flertrinsudvekslingsnav til cykler med en omløbsudveksling og to palspærremekanismer.
TR18543A (tr) N-sulfenil oksim-karbamatlar,imallerine mahsus usuller ve insektisidler,akarisidler ve nematisidler olarak kullanilmalari
IT958169B (it) Struttura catalitica per eliminare gli ossidi di azoto da gas di scarico
NO812362L (no) Fremgangsmaate for behandling av restgassblandinger inneholdende nitrogenoksyder og oksygen
JPS5280271A (en) Removing nitrogen oxides with honey comb type catalist structure
FI46493C (fi) Menetelmä 8-11 % SO2:ta sisältävien rikinpolttokaasujen katalyyttiseks i muuntamiseksi kahdessa vaiheessa SO3:ksi ja/tai rikkihapoksi.
FR1237709A (fr) Perfectionnements apportés aux roues à aubes, notamment aux roues de turbines à gaz
JPS5272366A (en) Treatment of nitrogen oxides solution with activated carbon
JPS51130053A (en) Method for removing moisture from compressed air
DK91639C (da) Tætningsarrangement ved glastage bestående af et antal i række ved siden af hinanden anbragte, rektangulære rudeelementer.
FR1230019A (fr) Perfectionnements apportés aux réacteurs nucléaires, en particulier aux réacteurs hétérogènes, à réfrigérant gazeux
CHARLES et al. Description of the sm-100 mass spectrometer, based on mattauchs geometry, to be used as a multi- purpose gas analyzer and for the isotopic study of uranium hexafluoride
West Improving black liquor oxidation efficiency of packed towers
FR80076E (fr) Fabrication continue de feuilles et de tubes de structure lacunaire et notamment réticulée
GB2047216B (en) Recirculation of nitrogen oxides of nitric acid plant exhaust gases