DE350520C - Process for cleaning tin as well as for the production of tin salts from raw tin - Google Patents

Process for cleaning tin as well as for the production of tin salts from raw tin

Info

Publication number
DE350520C
DE350520C DE1920350520D DE350520DD DE350520C DE 350520 C DE350520 C DE 350520C DE 1920350520 D DE1920350520 D DE 1920350520D DE 350520D D DE350520D D DE 350520DD DE 350520 C DE350520 C DE 350520C
Authority
DE
Germany
Prior art keywords
tin
stannous chloride
production
salts
well
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
DE1920350520D
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German (de)
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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 DE350520C publication Critical patent/DE350520C/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B25/00Obtaining tin
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B25/00Obtaining tin
    • C22B25/08Refining

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

Verfahren zur Reinigung- von Zinn sowie zur Herstellung von Zinnsalzen aus Rohzinn. Die Erfindung betrifft ein Verfahren zur Reinigung vori Zinn von Verunreinigungen, wie Wismut, Blei,-Kupfer, Eisen, Antimon u. dgl., welche häufig mit Zinn zusammen vorkommen, sowie einVerfahren zur Herstellung von Zinnsalzen aus Rohzinn, das sich durch Einfachheit und große Leistungsfähigkeit auszeichnet.Process for cleaning tin as well as for the production of tin salts from raw tin. The invention relates to a method for cleaning before tin of impurities, such as bismuth, lead, copper, iron, antimony, and the like, which are often combined with tin occur, as well as a process for the production of tin salts from raw tin, which characterized by simplicity and great performance.

Nach der Erfindung wird unreines Zinn in eine Lösung von Stanno- oder Stannichlorid gebracht, zu welcher man gasförmiges Chlor hinzutreten läßt. Das Chlor wirkt dann auf das Stannochlorid unter Bildung von Stannichlorid, welches sofort weitere Zinnmengen unter Bildung von Stannochlorid auflöst. Hierbei wird ein beständiges Auflösen des Zinnes durch das Chlor vermittels des Stanno-oder Stannichlorids bewirkt, wobei eine zu hohe Konzentration, welche ein Auskristallisieren oder Festwerden der Lösung zur Folge hätte, durch den Zusatz von Wasser verhindert wird.According to the invention, impure tin is in a solution of Stanno- or Brought stannous chloride, to which gaseous chlorine is allowed to enter. The chlorine then acts on the stannous chloride with the formation of stannous chloride, which immediately dissolves further amounts of tin with the formation of stannous chloride. This becomes a constant The chlorine dissolves the tin by means of the stannous or stannous chloride, too high a concentration causing crystallization or solidification the result of the solution is prevented by the addition of water.

In einer geeigneten Ausführungsform der Erfindung wird das Verfahren kontinuierlich ausgeführt, indem unreines Zinn in fein verteiltem Zustand Chlorgas und Wasser in das Reaktionsgefäß, welches das Stanni-oder Stannochlorid enthält, eingeführt und die Flüssigkeit und die Rückstände je- nach Bedarf abgezogen werden. Es ist wichtig, daß stets ein Überschuß an Zinn im Reaktionsgefäß vorhanden ist. Bei diesem Verfahren ist es nur notwendig, zu verhindern, daß die Flüssigkeit so konzentriert wird, daß Kristallisation in dem Reaktionsgefäß hervorgerufen wird. Das Chlor wird in das Gefäß in einer Menge eingeführt, die nicht ausreicht, ein Kochen der Flüssigkeit infolge der während der Reaktion des Chlors auf das unreine Zinn entstehenden Reaktionswärme hervorzurufen.In a suitable embodiment of the invention, the method carried out continuously by adding impure tin in a finely divided state to chlorine gas and water into the reaction vessel, which contains the stannous chloride or stannous chloride, introduced and the liquid and residues withdrawn as required. It is important that there is always an excess of tin in the reaction vessel. In this procedure it is only necessary to prevent the liquid from doing so concentrated to cause crystallization in the reaction vessel. The chlorine is introduced into the vessel in an amount that is insufficient Boiling the liquid as a result of the reaction of the chlorine to the impure Tin to produce heat of reaction.

Der Zinnüberschuß im Reaktionsgefäß verursacht die Fällung der Chloride des Arsens und Antimons als unlösliche Oxychloride sowie die Fällung des etwa vorhandenen Wismuts als Metall. Chlorblei, das von der heißen Flüssigkeit gelöst wird, fällt aus, wenn diese erkaltet ist.The excess of tin in the reaction vessel causes the chloride to precipitate of arsenic and antimony as insoluble oxychlorides and the precipitation of any existing Bismuth as a metal. Chlorine lead, which is dissolved from the hot liquid, falls off when it has cooled down.

Das Zinn kann aus dem Zinnchlorid in jeder geeigneten Weise, beispielsweise durch Elektrolyse oder durch Ersatz des Zinnes; durch Zink, wiedergewonnen werden, wobei das Zinn in Freiheit gesetzt wird oder die Zinnchlorürlösung selbst oder irgendein Zinnsalz, das leicht hergestellt werden kann, kann als handelsübliches Produkt weiterverwendet werden.The tin can be obtained from the tin chloride in any suitable manner, for example by electrolysis or by replacing the tin; by zinc, to be recovered, the tin being set free, or the tin chloride solution itself, or whatever Tin salt, which can be easily produced, can be used as a commercial product will.

Der Rückstand aus dem Reaktionsgefäß kann in jeder bekannten Weise zur Trennung der Metalle, aus denen er besteht, behandelt werden.The residue from the reaction vessel can in everyone known way of separating the metals that make it up.

Claims (1)

PATENTANSPRÜCHE: i. Verfahren zur Herstellung von reinem Zinn oder Zinnsalzen aus unreinem Zinn, bei welchem das Ausgangsmaterial in Stannichlorid aufgelöst wird, dadurch gekennzeichnet, daß das auf diese Weise erzeugte Stannochlorid als Mittel zur Übertragung des Chlors auf das metallische Zinn verwendet wird, so daß die Prozesse der Bildung von Stanno- und Stannichlorid kontinuierlich vor sich gehen. z. Ausführungsform des Verfahrens mach Anspruch i, dadurch gekennzeichnet, daß ein Teil des Stannochlorids aus dem Reaktionsgefäß abgezogen wird, welches eine bestimmte Dichte erreicht hat, darauf Wasser zugesetzt wird, um ein Festwerden während der Reaktion zu verhüten. PATENT CLAIMS: i. Process for the production of pure tin or tin salts from impure tin, in which the starting material is dissolved in stannous chloride, characterized in that the stannous chloride produced in this way is used as a means for transferring the chlorine to the metallic tin, so that the processes of formation of stannous and stannous chloride go on continuously. z. Embodiment of the method according to claim i, characterized in that a part of the stannous chloride which has reached a certain density is withdrawn from the reaction vessel, then water is added in order to prevent solidification during the reaction.
DE1920350520D 1919-12-10 1920-10-14 Process for cleaning tin as well as for the production of tin salts from raw tin Expired DE350520C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB350520X 1919-12-10

Publications (1)

Publication Number Publication Date
DE350520C true DE350520C (en) 1922-03-24

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ID=10373221

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1920350520D Expired DE350520C (en) 1919-12-10 1920-10-14 Process for cleaning tin as well as for the production of tin salts from raw tin

Country Status (1)

Country Link
DE (1) DE350520C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4416416A (en) * 1979-11-13 1983-11-22 Eaton Corporation Two-port thermally responsive valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4416416A (en) * 1979-11-13 1983-11-22 Eaton Corporation Two-port thermally responsive valve

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