DE750580C - Cell for the decomposition of alkali amalgam - Google Patents

Cell for the decomposition of alkali amalgam

Info

Publication number
DE750580C
DE750580C DEA86304D DEA0086304D DE750580C DE 750580 C DE750580 C DE 750580C DE A86304 D DEA86304 D DE A86304D DE A0086304 D DEA0086304 D DE A0086304D DE 750580 C DE750580 C DE 750580C
Authority
DE
Germany
Prior art keywords
amalgam
cell
decomposition
weirs
water
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
DEA86304D
Other languages
German (de)
Inventor
Otto Dr-Ing Karsten
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.)
Cavity GmbH
Original Assignee
Deutsche Solvay Werke GmbH
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 Deutsche Solvay Werke GmbH filed Critical Deutsche Solvay Werke GmbH
Priority to DEA86304D priority Critical patent/DE750580C/en
Application granted granted Critical
Publication of DE750580C publication Critical patent/DE750580C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/36—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in mercury cathode cells
    • C25B1/42—Decomposition of amalgams

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)

Description

Bei der Gewinnung von- Alkalilaugen in Zellen, bei denen das als Kathode wirkende Quecksilber nach seiner Beladung mit Alkalimetall im Gegenstrom zum Wasser geführt wird, bestand die Schwierigkeit, zu verhüten, daß eine allzu starke -Mischung der aus der Reaktion zwischen Amalgam und Wasser entstehenden: Lauge vor sich geht. Um diesen Nachteil zu beheben, - hat man bereits vorgeschlagen, die Zersetzerzelle in mehrere hintereinandergeschaltete Kammern zu teilen. In dieser bekannten Vorrichtung fließt das amalgamhaltige Quecksilber von einer Kammer in die nächste -durch jeweils zwei benachbarte Kammern verbindende Rohre oder durch in den Trennwänden angebrachte Schlitze, während das Wasser bzw. die Lauge einen anderen Weg nimmt. Eine derartige Anordnung hat sich insofern als nachteilig erwiesen, als die Verbindungsleitungen für das Amalgam bzw. die Öffnungen in den Trennwänden durch feste Ansätze von Amalgambutter sich verstopfen.In the production of alkaline solutions in cells that use this as a cathode acting mercury after its loading with alkali metal in countercurrent to the water there was the difficulty of preventing an excessively strong mixture the resulting from the reaction between amalgam and water: lye is going on. In order to remedy this disadvantage - the decomposer cell has already been proposed to be divided into several chambers connected in series. In this known device The amalgam-containing mercury flows from one chamber into the next through each two adjacent chambers connecting pipes or through installed in the partition walls Slits, while the water or the lye takes a different route. Such a one Arrangement has proven to be disadvantageous in that the connecting lines for the amalgam or the openings in the partition walls by means of fixed amounts of amalgam butter clog up.

Es, wurde nun gefunden, daß man diese Schwierigkeiten leicht beheben kann, indem man zur Unterteilung der Zersetzerzelle in dieser einige von oben in die wäßrige Lösung tauchende, bis dicht über die Quecksilberoberfläche reichende Wehre anbringt. Durch diese Wehre wird ebenfalls ermöglicht, daß sich eingangs und ausgangs der Laugenzelle verschiedene spezifische Gewichte der Lauge einstellen und halten können. Jedoch werden Ansammlungen von Amalgambutter weitgehend verhindert. Infolgedessen braucht im Gegensatz zur bekannten Anordnung, bei der infolge der Anwendung verhältnismäßig kleiner Durchflußöffnungen (Schlitze) Verstopfungen durch Amalgambutter unvermeidbar sind, eine Reinigung der Zellen nur in sehr großen Zeitabständen vorgenommen zu. «-erden, was sowohl vom Standpunkt der Arbeitshygiene als auch der Wirtschaftlichkeit von großer Wichtigkeit ist.It has now been found that these difficulties can be easily overcome can by dividing the decomposer cell in this some from above into dipping the aqueous solution until it is just above the surface of the mercury Attaches weirs. These weirs also make it possible that the entrance and Set various specific weights of the caustic solution at the outlet of the caustic cell and can hold. However, accumulations of amalgam butter are largely prevented. As a result, in contrast to the known arrangement in which as a result of Use of relatively small flow openings (slots) blockages through Amalgam butter are unavoidable, cleaning of the cells only at very long intervals made to. «-Ground what both from the standpoint of industrial hygiene and the Economy is of great importance.

In der schematischen. Zeichnung wird die Konstruktion beispielsweise erläutert. In dieser bedeutet i den. Badkasten, 2 den Deck-21 mit den daran. befestigten Wehren 3, .I das Quecksilber, das in Richtung des Pfeiles fließt, während sich- die wäßrige Lösung in entgegengesetzter Richtung bewegt. Die Niveauhöhen der wäßrigen Lösung a1, uz, a. usw. richten sich nach der Dichte der in der betreffenden Abteilung vorhandenen Lauge.In the schematic. Drawing is the construction example explained. In this i means the. Badkasten, 2 the Deck-21 with the one on it. fortified Defend 3, .I the mercury flowing in the direction of the arrow while- the aqueous solution moves in the opposite direction. The level heights of the aqueous Solution a1, uz, a. etc. depend on the density of the department in question existing lye.

Claims (1)

PATENTANSPRUCH: Zelle zur Zerlegung von Alkaliarnalgam, die durch Wehre in mehrere hintereinandergeschaltete, von Amalgam und Wasser im Gegenstrom durchflossene, Lauge unterschiedlicher Konzentration enthaltende Abteile geteilt ist, gekennzeichnet durch an den Wehren vorgesehene, für Amalgam und Wasser gemeinsame Durchflußöffnungen. Zur Abgrenzung des Erfindungsgegenstands vom Stand der Technik ist im Erteilungsverfahren folgende Druckschrift in Betracht gezogen worden: Deutsche. Patentschrift Nr. 648 98i.PATENT CLAIM: Cell for the decomposition of alkaline analgam produced by Weirs in several series-connected, of amalgam and water in countercurrent Flowing through, lye of different concentrations containing compartments divided is characterized by the amalgam and water provided at the weirs Flow openings. To differentiate the subject matter of the invention from the state of the art the following publication was considered in the granting procedure: Deutsche. U.S. Patent No. 648 98i.
DEA86304D 1938-03-27 1938-03-27 Cell for the decomposition of alkali amalgam Expired DE750580C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA86304D DE750580C (en) 1938-03-27 1938-03-27 Cell for the decomposition of alkali amalgam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA86304D DE750580C (en) 1938-03-27 1938-03-27 Cell for the decomposition of alkali amalgam

Publications (1)

Publication Number Publication Date
DE750580C true DE750580C (en) 1951-08-16

Family

ID=6949758

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA86304D Expired DE750580C (en) 1938-03-27 1938-03-27 Cell for the decomposition of alkali amalgam

Country Status (1)

Country Link
DE (1) DE750580C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960093C (en) * 1952-07-22 1957-03-14 Dr Alfred Wurbs Decomposition apparatus for the decomposition of electrolytically generated alkali amalgam

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE648981C (en) * 1935-03-02 1937-08-12 I G Farbenindustrie Akt Ges Process for the production of alkali lyes or alkali salts by decomposing alkali amalgam

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE648981C (en) * 1935-03-02 1937-08-12 I G Farbenindustrie Akt Ges Process for the production of alkali lyes or alkali salts by decomposing alkali amalgam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960093C (en) * 1952-07-22 1957-03-14 Dr Alfred Wurbs Decomposition apparatus for the decomposition of electrolytically generated alkali amalgam

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