US791401A - Process of extracting zinc from its ores. - Google Patents

Process of extracting zinc from its ores. Download PDF

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Publication number
US791401A
US791401A US24663605A US1905246636A US791401A US 791401 A US791401 A US 791401A US 24663605 A US24663605 A US 24663605A US 1905246636 A US1905246636 A US 1905246636A US 791401 A US791401 A US 791401A
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zinc
solution
ores
extracting
alloy
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US24663605A
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Anson Gardner Betts
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B19/00—Obtaining zinc or zinc oxide
    • C22B19/20—Obtaining zinc otherwise than by distilling
    • C22B19/22—Obtaining zinc otherwise than by distilling with leaching with acids

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  • Figure 1 of the drawings is a view in vertical section of an apparatus by means of which I electrolytically deposit zinc from its solutions in a liquid-metal cathode.
  • Fig. 2 of the drawings is a view in vertical section ofare accordingly roasted before lixiviation to convert the zinc into basic sulfate or oxid.
  • I may use any of the usual methods for extracting the zinc, as a solution of a soluble zinc salt, but prefer to. use sulfuric acid in lixiviating, producing a solution of zinc sulfate.
  • the zincmercury alloy containing, preferably, less than five per cent. of zinc, I remove to another electrolytic cell containing a solution of a zinc salt, preferably one of zinc chlorid, into which solution a suitable cathode is introduced, suitably one of zinc.
  • the mercuryzinc alloy is electrically connected as anode and an electric current is passed, whereby In practicing my invention in its preferred Zinc is dissolved-from the'alloy and deposited on the cathode. The mercury left after the removal of a large part of-the Zinc is returned to go through the same process over again.
  • Fig. 1 shows a tank 1 containing a layer of mercury 2 and a solution 3 of zinc sulfate or other zinc salt.
  • An insoluble anode 4 is suspended in the solution and electric- -ally connected by the wire 5 to a source of electric energy.

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

Description

No. 791,401. I PATENTED MAY'3 0, 1905'.
A. G. BETTS.
PROCESS OF EXTRAGTING ZINC FROM ITS ORES.
APPLICATION FILED FEB.20.1906.
W/TNEEEEE v //\/l/E/\/TUR 9 WMZ%% Patented May 30, 1905 PATENT OFFICE.
ANSON GARDNER BETTS, OF TROY, NEIV YORK.
PROCESS OF EXTRAQTING ZINC FROM ITS ORES- SPECIFICATION forming part of Letters Patent No. 791,401, dated May 30, 1905. Application filed February 20, 1905. Serial No. 246,636.
To all whom it may concern: Be it known that I, ANsoN GARDNER Burrs a citizen of the United States, residing at Troy, county of Rensselaer, and State of New York, have invented certain new and useful Improvements in Processes of Extracting Zincfrom its Ores, of which the following is a specification accompanied by drawings.
Figure 1 of the drawings is a view in vertical section of an apparatus by means of which I electrolytically deposit zinc from its solutions in a liquid-metal cathode. Fig. 2 of the drawings is a view in vertical section ofare accordingly roasted before lixiviation to convert the zinc into basic sulfate or oxid. I may use any of the usual methods for extracting the zinc, as a solution of a soluble zinc salt, but prefer to. use sulfuric acid in lixiviating, producing a solution of zinc sulfate. I then electrolyze the solution with an insoluble anode and with a liquid-metal cathode, preferably of mercury or mercury containing zinc. Oxygen is produced at the anodeand sulfuric acid remains in the solubeing electrolyzed chlorin is given off at the anode.
form I remove practically all the zinc from the solution, for economical reasons which are readily understood, and have left a solution of sulfuric acid, which may be used in the lixiviation of a fresh amount of ore. The zincmercury alloy, containing, preferably, less than five per cent. of zinc, I remove to another electrolytic cell containing a solution of a zinc salt, preferably one of zinc chlorid, into which solution a suitable cathode is introduced, suitably one of zinc. The mercuryzinc alloy is electrically connected as anode and an electric current is passed, whereby In practicing my invention in its preferred Zinc is dissolved-from the'alloy and deposited on the cathode. The mercury left after the removal of a large part of-the Zinc is returned to go through the same process over again.
Having reference to the accompanying drawings, Fig. 1 shows a tank 1 containing a layer of mercury 2 and a solution 3 of zinc sulfate or other zinc salt. An insoluble anode 4 is suspended in the solution and electric- -ally connected by the wire 5 to a source of electric energy. An iron wire 6, surrounded by an insulating-sleeve 7, connects the mercury electrically as cathode to the same source of electric energy. When the current is What I claim as new, and desire to secure by Letters Patent, is
1. The process'of extracting zinc from ores which consists in extracting the zinc therefrom as a soluble salt in solution, electrolyzing the solution with a liquid-metal cathode for the production of a zinc alloy, and elec trolytically extracting zinc from said alloy and depositing the zinc on a suitable cathode.
.2. The process of extracting zinc from ores which consists in dissolving the zinc there from as a solution of zinc sulfate, electrolyzing the solution with a liquid-metal cathode for the production of a zinc alloy, and electrolytically extracting zinc from the alloy and depositing the zinc on a suitable cathode.
3. The process of extracting zinc from ores which consists in dissolving zinc therefrom as a solution of zinc sulfate, electrolyzing the solution with a mercury cathode for the production of a zinc-mercury alloy, and electrolytically extracting zinc from the alloy and depositing the zinc on a suitable cathode.
4. The process of extracting Zinc from ores In testimony whereof Ihave signed my name whlch conslsts 1n extraetlng Zll'lC therefrom as to this specification in the presence of two sub- 10 a solutlon of ZylIlGSlll'fELtE, electrolyzing the soscribing witnesses.
lution with a mercury cathode for the produc- 1 V v 5 tion of a zinc-mercury alloy, and extracting ANbON GARDNER BE I zinc from the alloy and depositing zinc on a Witnesses: suitable cathode by electrolysis of a solution EDWARD F. KERN, of zinc chlorid. WILLIAM VALENTINE.
US24663605A 1905-02-20 1905-02-20 Process of extracting zinc from its ores. Expired - Lifetime US791401A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382163A (en) * 1963-08-02 1968-05-07 Donau Chemie Ag Method of electrolytic extraction of metals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382163A (en) * 1963-08-02 1968-05-07 Donau Chemie Ag Method of electrolytic extraction of metals

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