AT52958B - Process for the simultaneous preparation of chlorammonium and sulphites of barium, strontium, calcium, magnesium and zinc. - Google Patents

Process for the simultaneous preparation of chlorammonium and sulphites of barium, strontium, calcium, magnesium and zinc.

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Publication number
AT52958B
AT52958B AT52958DA AT52958B AT 52958 B AT52958 B AT 52958B AT 52958D A AT52958D A AT 52958DA AT 52958 B AT52958 B AT 52958B
Authority
AT
Austria
Prior art keywords
sulphites
magnesium
zinc
calcium
strontium
Prior art date
Application number
Other languages
German (de)
Original Assignee
Friedrich & Cie Dr
Friedrich Hirsch Dr
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 Friedrich & Cie Dr, Friedrich Hirsch Dr filed Critical Friedrich & Cie Dr
Priority to AT52958D priority Critical patent/AT52958B/en
Application granted granted Critical
Publication of AT52958B publication Critical patent/AT52958B/en

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  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Description

  

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   Die zirka   90 bis 950 C   messende Flüssigkeit wird in der Hitze von dem ausgeschiedenen Sulfit getrennt und durch Abkühlung zur Kristallisation gebracht ; die Mutterlauge von dem nunmehr auskristallisierten Salmiak wird für einen neuen Ansatz verwendet. Die ausgeschiedenen Sulfite werden mit heissem Wasser bzw. heissen ungesättigten Waschlaugen, eventuell systematisch, gewaschen und vom Salmiak befreit. 



   Die Sulfite des Bariums, Strontiums, Kalizum und Magnesiums sind in heissgesättigter   Salmiaklösung   praktisch   unlöslich   ; dagegen ist das Zinksulfit in der letzteren teilweise löslich und lässt sich bei den oben erwähnten Mengenverhältnissen nur zu etwa zwei Drittel der Theorie als Präzipitat gewinnen. 



   Bisher waren die vorteilhaftesten Bedingungen zur gleichzeitigen Herstellung von kristallisationsfähigen   Salmiaklösungen   und feinkristallinischen sulfiten durch Umsetzung von Ammonsulfat mit den Chloriden des Bariums, Strontiums, Kalziums, Magnesiums und Zinks nicht bekannt. Erst unsere Beobachtung, dass die bei der Bildung des   Ammoniumsulfits   entwickelte   Reaktionswärme   eine derartige ist, dass man hochkonzentrierte   kristallisationsfähige   Salmiaklösungen erhalten kann, ohne Lösungen eindampfen zu müssen, weiters, dass man hiebei gleich- zeitig   n'ine, oxyd-und karbonatfreie   Sulfite der alkalischen Erden, der Magnesia und des Zinks in feinkristallinsicher Form gewinnen kann, macht den   Prozess zu   einem rationellen und ökonomischen.



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   The liquid, measuring around 90 to 950 C, is separated from the precipitated sulfite in the heat and crystallized by cooling; the mother liquor from the salmiac which has now crystallized out is used for a new approach. The precipitated sulfites are washed with hot water or hot unsaturated washing liquors, possibly systematically, and freed from ammonia.



   The sulphites of barium, strontium, potassium and magnesium are practically insoluble in hot saturated ammonium solution; on the other hand, the zinc sulfite is partially soluble in the latter and can only be obtained as a precipitate to about two thirds of the theory given the proportions mentioned above.



   So far, the most advantageous conditions for the simultaneous production of crystallizable ammonia solutions and finely crystalline sulfites by reacting ammonium sulfate with the chlorides of barium, strontium, calcium, magnesium and zinc were not known. It was not until our observation that the heat of reaction developed during the formation of ammonium sulfite is such that highly concentrated crystallizable ammonium solutions can be obtained without having to evaporate solutions, further that one can simultaneously obtain no oxide and carbonate-free sulfites of the alkaline Earth, which can extract magnesia and zinc in fine-crystalline form, makes the process a rational and economical one.

Claims (1)

PATENT ANSPRUCH : Verfahren zur gleichzeitigen Darstellung von Chlorammonium und von Sulfiten des Bariums. PATENT CLAIM: Process for the simultaneous preparation of chlorammonium and sulphites of barium. Strontiums, Kalziums, Magnesiums und Zinks durch Umsetzung der betreffenden Chloride mit naszierendem Ammoniumsulfit und Ausscheidung der Sulfite in unlöslicher Form durch Anwendung von Hitze, dadurch gekennzeichnet, dass man, anstatt in die gemäss Stammpatent Nr. 41934 verwendete Lösung oder Suspension von Natriumchlorid, in eine Lösung oder Suspension von Barim-, Storntium-, Kalizium-, Magnesium- oder Zinkchlorid schweflige Säure und Ammoniakas gleichzeitig oder in beliebiger Reihenfolge nacheinander in molekularen Mengen derart einleitet, dass die Reaktionswärme zur vollständigen Lösung des gebildeten Salmiaks und zur Abscheidung der Sulfite nutzbar gemacht wird. Strontium, calcium, magnesium and zinc by reacting the chlorides in question with nascent ammonium sulphite and excreting the sulphites in insoluble form by applying heat, characterized in that, instead of in the solution or suspension of sodium chloride used according to the parent patent No. 41934, in a Solution or suspension of barim-, storntium-, calcium-, magnesium- or zinc chloride introduces sulphurous acid and ammonia at the same time or in any order one after the other in molecular quantities in such a way that the heat of reaction is used to completely dissolve the salmia formed and to separate the sulphites .
AT52958D 1909-04-14 1911-03-13 Process for the simultaneous preparation of chlorammonium and sulphites of barium, strontium, calcium, magnesium and zinc. AT52958B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT52958D AT52958B (en) 1909-04-14 1911-03-13 Process for the simultaneous preparation of chlorammonium and sulphites of barium, strontium, calcium, magnesium and zinc.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT41934T 1909-04-14
AT52958D AT52958B (en) 1909-04-14 1911-03-13 Process for the simultaneous preparation of chlorammonium and sulphites of barium, strontium, calcium, magnesium and zinc.

Publications (1)

Publication Number Publication Date
AT52958B true AT52958B (en) 1912-04-10

Family

ID=25600912

Family Applications (1)

Application Number Title Priority Date Filing Date
AT52958D AT52958B (en) 1909-04-14 1911-03-13 Process for the simultaneous preparation of chlorammonium and sulphites of barium, strontium, calcium, magnesium and zinc.

Country Status (1)

Country Link
AT (1) AT52958B (en)

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