US937965A - Extraction of copper from raw unroasted ores and other products. - Google Patents

Extraction of copper from raw unroasted ores and other products. Download PDF

Info

Publication number
US937965A
US937965A US44477908D US1908444779D US937965A US 937965 A US937965 A US 937965A US 44477908 D US44477908 D US 44477908D US 1908444779 D US1908444779 D US 1908444779D US 937965 A US937965 A US 937965A
Authority
US
United States
Prior art keywords
copper
ores
extraction
products
unroasted
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 - Lifetime
Application number
US44477908D
Inventor
Georg Schneider
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
Priority to US44477908D priority Critical patent/US937965A/en
Application granted granted Critical
Publication of US937965A publication Critical patent/US937965A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/08—Chloridising roasting

Definitions

  • the transformation of copper sulfid to copper chlorid is exclusivel e ected by means or free chlorin whic is obtained from dioxid of manganese by the action of an acid;
  • the finely divided ores are-saturated with hydrochloric acid or a mixture of hydrochloric acid and sulfuric acid after a certain amount of diom d of inanga nese has been added to the ores.
  • the strength of the hydrochloric acid must be such that chlorin can be obtained by the action of the acid on the dioxid of manganese without the necessity of heating and should be about 125 Baum.
  • the amount of the dioxid of manganese varies according to the percentage of copper suliid and may amount to 0.25% of the whole amount of the ore in the case of poor ores.
  • the copper solution obtained is then further treated in any well known -1nanner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

Be. it Known that I, 'Gsons GEORGSCHNEDDER, F FEIEDEBURG, GEEIKAHY, ASSIGNQR T0 BUG-EN ABRESCH, 0F NEUSTADT-QN-THE HARDQ GERMANY.
nx'rneorroir or oorrnnrnomnaw UNROASTED ones auzo ornnn rzaczoccrs.
To all wit/om; it'may concern: v,
I SCHNEIDER, Koniglicher Bergrat, resident of Friedehurg, Schlossstrasse 86 Freiberg, in the Kingdom of Saxony, Germany, have invented new and useful Improvements in the Extraction oi Copper from Raw Unroasted Ores and other Products, of which the following is a specification.
The extraction of copper from cor ores containing copper partly or whol y' in the form of sulfide has hitherto given unsatisfactory results which are due chiefly to the large amount of copper residues left in the extracted ore and to the very long time necessary to eilect the extraction.
The processes of extraction hitherto gen erally used (with the exception of experiments with ammonia and ammonium salts) for such ores are generally based upon'the setting tree of chlorin'from ferric chlorid v and the action of the former on sulfid of copper to form copper chlorid. It has also been proposed to treat pyrite-residues in such manner for copper that free chlorin is generated by the action of an acid on chlorid of lime or similar salts to act upon the residues. It has been furthermore proposed, when using-hydrochloric acid to act on ores and the like, to assist the reaction by the concurrent development of free chlorin.
According to the present process the transformation of copper sulfid to copper chlorid is exclusivel e ected by means or free chlorin whic is obtained from dioxid of manganese by the action of an acid; In carrying out the process the finely divided ores are-saturated with hydrochloric acid or a mixture of hydrochloric acid and sulfuric acid after a certain amount of diom d of inanga nese has been added to the ores. The
Specification of Letters Patent.
Application filed M137 a2, 1508.
Patented Got, 26, 198% ser al No. 444,779.
strength of the hydrochloric acid must be such that chlorin can be obtained by the action of the acid on the dioxid of manganese without the necessity of heating and should be about 125 Baum. The amount of the dioxid of manganese varies according to the percentage of copper suliid and may amount to 0.25% of the whole amount of the ore in the case of poor ores. The copper solution obtained is then further treated in any well known -1nanner.
Now what I claim and desire to secure by Letters Patent is the following:
i. The process of'treating copper ores and other products containing copper wholly or partially in. the form of sulfide by the action thereon of chlorin which process consists in causing free chlorin to be generated in the mass to be treated by adding thereto a certain amount of dioxid of manganese and treating the mixture with a solution containin hydrochloric acid of suitable strength substantially as described.
2. The process or treating copper ores and other'products containing copper wholly or partially in the form of sulfide by the action thereon of chlorin which process consists in causing free chlorin to be generated in the mass to be treated by adding thereto a cer-' .tain amount or dioxid of manganese and treating the mixture with a mixture of hy drochloric and sulfuric acid.
In testimony, that l claimthe foregoing as my invention, 1 have signed my name n resence of two witnesses this eleventh da" P 7 3 of'July 1908. v
GEORG SCHNEEDER.
Witnesses:
Fnmnmcn Konenon,
. Hnucnnm.
US44477908D 1908-07-22 1908-07-22 Extraction of copper from raw unroasted ores and other products. Expired - Lifetime US937965A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US44477908D US937965A (en) 1908-07-22 1908-07-22 Extraction of copper from raw unroasted ores and other products.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44477908D US937965A (en) 1908-07-22 1908-07-22 Extraction of copper from raw unroasted ores and other products.

Publications (1)

Publication Number Publication Date
US937965A true US937965A (en) 1909-10-26

Family

ID=3006385

Family Applications (1)

Application Number Title Priority Date Filing Date
US44477908D Expired - Lifetime US937965A (en) 1908-07-22 1908-07-22 Extraction of copper from raw unroasted ores and other products.

Country Status (1)

Country Link
US (1) US937965A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2860047A (en) * 1955-04-20 1958-11-11 Electro Chimie Metal Process of removing arsenic from hydrochloric acid suspensions of arsenide and sulpharsenide ores utilizing gaseous chloride
US5232490A (en) * 1985-11-27 1993-08-03 Leadville Silver And Gold Oxidation/reduction process for recovery of precious metals from MnO2 ores, sulfidic ores and carbonaceous materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2860047A (en) * 1955-04-20 1958-11-11 Electro Chimie Metal Process of removing arsenic from hydrochloric acid suspensions of arsenide and sulpharsenide ores utilizing gaseous chloride
US5232490A (en) * 1985-11-27 1993-08-03 Leadville Silver And Gold Oxidation/reduction process for recovery of precious metals from MnO2 ores, sulfidic ores and carbonaceous materials

Similar Documents

Publication Publication Date Title
US937965A (en) Extraction of copper from raw unroasted ores and other products.
US940292A (en) Method of separating copper, nickel, and other metals from copper-nickel matte.
US552960A (en) Carl hoepfner
US1891911A (en) Process of decomposing titanium ores
US287737A (en) Gael a
US803472A (en) Extraction and purification of zinc.
US704640A (en) Process of extracting copper and nickel from sulfid compounds.
US826925A (en) Process of sulfatizing ores, &c.
US707506A (en) Method of treating mixed sulfid ores.
US791090A (en) Process of extracting nickel from nickel-bearing substances.
US252593A (en) Julien debt
US752320A (en) Jose baxeees de alzugaray
US483639A (en) Jules strap
US1020224A (en) Process for recovery of vanadium.
US656497A (en) Process of treating zinc-bearing complex ores for recovery of zinc or other metals therefrom.
US832176A (en) Process of treating slimes.
US751444A (en) Process of making pigments
US1018609A (en) Process for roasting ores.
US920601A (en) Process of making metal sulfates.
US1289072A (en) Extraction of nickel from silicate ores.
US740701A (en) Treatment of sulfid ores.
US741840A (en) Process of extracting the heavy metals by the use of chlorin.
US1444484A (en) Metallurgical process for treatment of zinc compounds
US52834A (en) Improved process for separating gold and silver from ores
US769254A (en) Method of extracting precious metals from their ores.