AT28352B - Process for the production of calcium nitrate from alkaline chlorine-containing lyes, in particular from the final lyes of the ammonia soda factory. - Google Patents

Process for the production of calcium nitrate from alkaline chlorine-containing lyes, in particular from the final lyes of the ammonia soda factory.

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Publication number
AT28352B
AT28352B AT28352DA AT28352B AT 28352 B AT28352 B AT 28352B AT 28352D A AT28352D A AT 28352DA AT 28352 B AT28352 B AT 28352B
Authority
AT
Austria
Prior art keywords
lyes
final
production
calcium nitrate
ammonia soda
Prior art date
Application number
Other languages
German (de)
Inventor
Max Dr Reich
Original Assignee
Max Dr Reich
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 Max Dr Reich filed Critical Max Dr Reich
Application granted granted Critical
Publication of AT28352B publication Critical patent/AT28352B/en

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  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur Gewinnung von Kalziumnitrat aus Chlorkalzium enthaltenden Laugen, insbesondere aus den Endlaugen der Ammoniaksoda-Fabrikation. 



   In der vorher entsprechend gereinigten   chlorkalziumhältigen Lauge wird eine dem   Chlorkalziumgehalt äquivalente Menge Natronsalpeter gelöst und hierauf   die.   Lösung ein-   gedampft. Dabei   setzt sich   Chlorkalzium   mit Salpeter in der Weise um, dass   Kalziumnitrit   und Chlornatrium entsteht, welch letzteres bei zunehmender Konzentration, die zweckmässig   bis zum Siedepunkte   von   127o C   gesteigert wird, ausfällt und von der hauptsächlich   Kalziumnitrat enthaltenden Lösung getrennt   werden kann. Die vom   ChlornatriuIl1   getrennte Mutterlauge wird weiter eingedampft und dadurch Kalziumnitrat bzw. durch Zusatz von   Kalkmilch basisches   Kalziumnitrat gewonnen. 



   BeiverschiedenenFabrikationenwerdengrosseMengenchlorkalziumhältigerEnd-   laugf'n erhalten,   die zum grossen Teile wertlos sind, da man für so grosse   Mengen Chlor-     kalzium   keine Verwendung hat. Die Lauge, welche z. B. bei der Ammoniaksoda-Fabrikation   erhaben werden, enthalten etwa   zwei Drittel der festen Salze als Ca Cl2 und ein   Dritte !     als Na ez.   Aus diesen gewinnt man an manchen   Orten durch Eindampfen   beide Salze. Aber 
 EMI1.1 
   salpeter in   der   I. andwirtschaft Verwendung nnden kann.   



   In dem speziellen Falle der Endlaugen der Ammoniaksoda-Fabrikation stellen sich   din Verhältnisse folgendermassen   dar :   Nachdem   die Laugen von Schlamm und Gips gereinigt 
 EMI1.2 
 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Process for the production of calcium nitrate from alkaline chlorine-containing lyes, in particular from the final lyes of the ammonia soda factory.



   An amount of sodium nitrate equivalent to the calcium chloride content is dissolved in the previously appropriately purified calcium chloride-containing lye and then the. Solution evaporated. Here, calcium chloride reacts with saltpetre in such a way that calcium nitrite and sodium chloride are formed, the latter precipitating with increasing concentration, which is expediently increased to the boiling point of 127o C, and can be separated from the solution, which mainly contains calcium nitrate. The mother liquor separated from the sodium chloride is evaporated further and calcium nitrate or basic calcium nitrate through the addition of milk of lime is obtained.



   In various manufactures, large amounts of calcium chloride-containing final liquors are obtained, which for the most part are worthless, since there is no use for such large amounts of calcium chloride. The lye, which z. B. be raised in the ammonia soda fabrication, contain about two thirds of the solid salts as Ca Cl2 and a third! as Na ez. In some places, both salts are obtained from these by evaporation. But
 EMI1.1
   Saltpeter can be used in agriculture.



   In the special case of the final liquors in the ammonia soda production, the ratios are as follows: After the liquors have been cleaned of sludge and gypsum
 EMI1.2
 

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

**WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT28352D 1905-12-31 1905-12-31 Process for the production of calcium nitrate from alkaline chlorine-containing lyes, in particular from the final lyes of the ammonia soda factory. AT28352B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT28352T 1905-12-31

Publications (1)

Publication Number Publication Date
AT28352B true AT28352B (en) 1907-05-10

Family

ID=3541033

Family Applications (1)

Application Number Title Priority Date Filing Date
AT28352D AT28352B (en) 1905-12-31 1905-12-31 Process for the production of calcium nitrate from alkaline chlorine-containing lyes, in particular from the final lyes of the ammonia soda factory.

Country Status (1)

Country Link
AT (1) AT28352B (en)

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