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DE327867C - Process for the preparation of molten calcium chloride - Google Patents

Process for the preparation of molten calcium chloride

Info

Publication number
DE327867C
DE327867C DE1917327867D DE327867DD DE327867C DE 327867 C DE327867 C DE 327867C DE 1917327867 D DE1917327867 D DE 1917327867D DE 327867D D DE327867D D DE 327867DD DE 327867 C DE327867 C DE 327867C
Authority
DE
Germany
Prior art keywords
calcium chloride
preparation
molten calcium
hydrochloric acid
molten
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
DE1917327867D
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE327867C publication Critical patent/DE327867C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/20—Halides
    • C01F11/24—Chlorides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Description

Verfahren zur Darstellung von geschmolzenem Chlorkalzium. Den Gegenstand der vorliegenden Erfindung bildet ein Verfahren zur Darstellung von geschmolzenem Chlorkalzium.Process for the preparation of molten calcium chloride. The subject of the present invention provides a method for preparing molten material Calcium chloride.

Man hat bisher im weitaus größten Umfange Chlorkalzium durch Eindampfen der Endlaugen dargestellt. Durch die Kosten des Eindampfprozesses ist trotz der enormen Mengen der Abfallaugen das feste Chlorkalzium verhältnismäßig teuer. - -Das vorliegende Verfahren beruht auf der Behandlung von Kalziumkarbonat mit gasförmiger Salzsäure unter Ausnutzung der hierbei # entstehenden Reaktionswärme, wodurch die Herstellung festen Chlorkalziums wesentlich verbilligt wird. Das Verfahren wird in der Weise ausgeübt, daß man mehr oder minder konzentrierte Salzsäure in gasförmigem Zustande durch einen Turm, der mit stückigem Kalkstein angefüllt ist, streichen läßt und gleichzeitig von oben den Turm berieselt.Up to now one has by far the greatest extent of calcium chloride by evaporation of the final liquors. The cost of the evaporation process is in spite of the enormous amounts of waste eyes make the solid calcium chloride relatively expensive. - -That present process is based on the treatment of calcium carbonate with gaseous Hydrochloric acid utilizing the heat of reaction produced in this process, whereby the Production of solid calcium chloride is significantly cheaper. The procedure will Exercised in such a way that one more or less concentrated hydrochloric acid in gaseous Condition through a tower, which is filled with lumpy limestone, paint and at the same time sprinkled the tower from above.

Die Reaktion erfolgt nach der Formel: Ca C03+2HC1=CaC12+C02+H20+78. Es entsteht also aus z. B. Muschelkalk und der mehr oder minder verdünnten Salzsäure Chlorkalziumlauge und Kohlensäure. Die heiße Chlorkalziumlauge sammelt sich am Fuß des Turmes an und erstarrt infolge ihrer Konzentration bei der Abkühlung zu einer festen Masse. Wider Erwarten verläuft die Reaktion selbst bei verdünnten salzsäurehaltigen Abgasen und bei beliebigen natürlichen Kalksteinsorten leicht und vollständig. Die entstehende Kohlensäure wird natürlich anderweit verwertet. Das Verfahren läßt sich vorteilhaft zur wirtschaftlichen Beseitigung salzsäurehaltiger Abgase anwenden.The reaction takes place according to the formula: Ca C03 + 2HC1 = CaC12 + C02 + H20 + 78. So it arises from z. B. Muschelkalk and the more or less dilute hydrochloric acid Calcium chloride and carbonic acid. The hot calcium chloride solution collects on the foot of the tower and solidifies as a result of their concentration as it cools down solid mass. Contrary to expectations, the reaction takes place even with dilute hydrochloric acid Exhaust and any natural limestone easily and completely. the The resulting carbon dioxide is of course used in other ways. The procedure can be Use advantageously for the economical elimination of hydrochloric acid-containing exhaust gases.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung von geschmolzenem Chlorkalzium, dadurch gekennzeichnet, daß salzsäurehaltige Gase über stückigen kohlensauren Kalk streichen, wobei die Reaktionswärme zur Könzentrierung der entstehenden Chlorkalziumlauge benutzt wird.PATENT CLAIM: Process for the production of molten calcium chloride, characterized in that hydrochloric acid-containing gases over lumpy carbonate of lime paint, with the heat of reaction for concentrating the resulting chlorine-calcium hydroxide solution is used.
DE1917327867D 1917-05-16 1917-05-16 Process for the preparation of molten calcium chloride Expired DE327867C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE327867T 1917-05-16

Publications (1)

Publication Number Publication Date
DE327867C true DE327867C (en) 1920-10-15

Family

ID=6185407

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1917327867D Expired DE327867C (en) 1917-05-16 1917-05-16 Process for the preparation of molten calcium chloride

Country Status (1)

Country Link
DE (1) DE327867C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432258A (en) * 1964-10-02 1969-03-11 Nat Lead Co Selective recovery of salts from mixed salt solutions
US4234556A (en) * 1979-10-05 1980-11-18 The Dow Chemical Company Method of producing calcium bromide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432258A (en) * 1964-10-02 1969-03-11 Nat Lead Co Selective recovery of salts from mixed salt solutions
US4234556A (en) * 1979-10-05 1980-11-18 The Dow Chemical Company Method of producing calcium bromide

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