AT125184B - Process for the production of nitric acid. - Google Patents

Process for the production of nitric acid.

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Publication number
AT125184B
AT125184B AT125184DA AT125184B AT 125184 B AT125184 B AT 125184B AT 125184D A AT125184D A AT 125184DA AT 125184 B AT125184 B AT 125184B
Authority
AT
Austria
Prior art keywords
nitric acid
production
ammonia
oxidation
usual
Prior art date
Application number
Other languages
German (de)
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Application granted granted Critical
Publication of AT125184B publication Critical patent/AT125184B/en

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Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur   Herstellung von Salpetersäure.   
 EMI1.1 
 

 <Desc/Clms Page number 2> 

 
 EMI2.1 
 



   Die über die   Schalenränder   überlaufende Flüssigkeit zirkuliert in den untenliegenden   Kammern,   während die emporsteigenden Gase durch die Flüssigkeit gurgeln. Unter diesen Verhältnissen gehen die
Stiekstoffoxyde wegen der niedrigen Temperatur und des hohen Drucks vollständig in Lösung auf. 



   Die restlichen Gase verlassen die Absorptionssäule über die   Auslassventile M.   



  Die am Boden der Säule L abfliessende Flüssigkeit ist verdünnte, Stickstoffoxyde in   Lösung. szu-   stand enthaltende Salpetersäure. Dieselbe wird der Reaktionssäule N zugeführt, worin sie auf   50 -60  C   erwärmt, und mit dem durch den Hahn 0 zufliessenden verdichteten Sauerstoff in Berührung gebracht wird. 



   Unter diesen Umständen reagieren die gelösten Stickstoffoxyde mit dem restlichen Wasser, wobei   sich konzentrierte Salpetersäure   bildet. Die Salpetersäure kann man mittels des Hahnes P entnehmen, 
 EMI2.2 




   <Desc / Clms Page number 1>
 



  Process for the production of nitric acid.
 EMI1.1
 

 <Desc / Clms Page number 2>

 
 EMI2.1
 



   The liquid overflowing the bowl rim circulates in the chambers below, while the rising gases gurgle through the liquid. Under these circumstances they go
Oxides of nitrogen completely in solution because of the low temperature and high pressure.



   The remaining gases leave the absorption column via the outlet valves M.



  The liquid flowing off at the bottom of column L is dilute nitrogen oxides in solution. nitric acid containing the state. The same is fed to the reaction column N, in which it is heated to 50-60 ° C. and is brought into contact with the compressed oxygen flowing in through the tap 0.



   Under these circumstances the dissolved nitrogen oxides react with the remaining water to form concentrated nitric acid. The nitric acid can be taken from the tap P,
 EMI2.2

Claims (1)

PATENT-ANSPRUCH : Verfahren zur Herstellung von Salpetersäure durch Oxydation von Ammoniak, dadurch gekenn- zeichnet, dass die Oxydation des Ammoniaks unter Atmosphärendruck durchgeführt wird und nach Erkalten und üblichem Abscheiden des Kondenswassers die nitrosen Gase durch einen Kompressor aus Chromstahl im Absorptionssystem zusammengedrückt werden, worauf sie in üblicher Weise oxydiert und kondensiert werden. EMI2.3 PATENT CLAIM: Process for the production of nitric acid by oxidation of ammonia, characterized in that the oxidation of ammonia is carried out under atmospheric pressure and after Cooling down and the usual separation of the condensation water, the nitrous gases are compressed by a compressor made of chrome steel in the absorption system, whereupon they are oxidized and condensed in the usual way. EMI2.3
AT125184D 1929-02-27 1929-10-22 Process for the production of nitric acid. AT125184B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT125184X 1929-02-27

Publications (1)

Publication Number Publication Date
AT125184B true AT125184B (en) 1931-10-26

Family

ID=11141103

Family Applications (1)

Application Number Title Priority Date Filing Date
AT125184D AT125184B (en) 1929-02-27 1929-10-22 Process for the production of nitric acid.

Country Status (1)

Country Link
AT (1) AT125184B (en)

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