DE66764C - Extraction des Goldes mittelst Cyanalkali nach Patent Nr. 47 358 - Google Patents
Extraction des Goldes mittelst Cyanalkali nach Patent Nr. 47 358Info
- Publication number
- DE66764C DE66764C DENDAT66764D DE66764DA DE66764C DE 66764 C DE66764 C DE 66764C DE NDAT66764 D DENDAT66764 D DE NDAT66764D DE 66764D A DE66764D A DE 66764DA DE 66764 C DE66764 C DE 66764C
- Authority
- DE
- Germany
- Prior art keywords
- gold
- extraction
- acid
- ferricyanide
- cyanide alkali
- 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
Links
- 239000003513 alkali Substances 0.000 title claims 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims 3
- 239000010931 gold Substances 0.000 title claims 3
- 229910052737 gold Inorganic materials 0.000 title claims 3
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 title claims 2
- 238000000605 extraction Methods 0.000 title claims 2
- YAGKRVSRTSUGEY-UHFFFAOYSA-N ferricyanide Chemical compound [Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] YAGKRVSRTSUGEY-UHFFFAOYSA-N 0.000 claims 3
- 238000000034 method Methods 0.000 claims 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 229910052748 manganese Inorganic materials 0.000 claims 2
- 239000011572 manganese Substances 0.000 claims 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims 1
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 claims 1
- 238000004090 dissolution Methods 0.000 claims 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical class ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
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
- C22B11/00—Obtaining noble metals
- C22B11/08—Obtaining noble metals by cyaniding
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
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (3)
- Patent-Ansprüche:ι. Bei dem durch Patent No. 47358 geschützten Verfahren zur Extraktion des Goldes aus Erzen mittelst Cyanalkali ein Zusatz von Ferricyankalium oder einem anderen Ferricyansalz zu der Lösungsflüssigkeit behufs rascherer Lösung des Goldes und Ersparnifs an Cyanalkali.
- 2. Bei dem durch 1. gekennzeichneten Verfahren der Ersatz des Ferricyansalzes durch übermangansaure, mangansaure, chromsaure, unterchlorigsaure Salze, Mangan- oder Bleisuperoxyd.
- 3. Die Durchführung der durch die vorhergehenden Ansprüche gekennzeichneten Verfahren in einer Kugelmühle, welche mit einem von den verwendeten Chemikalien nicht angegriffenen Stoffe ausgekleidet ist.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE66764C true DE66764C (de) |
Family
ID=340455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT66764D Expired - Lifetime DE66764C (de) | Extraction des Goldes mittelst Cyanalkali nach Patent Nr. 47 358 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE66764C (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0358004A3 (en) * | 1988-09-09 | 1990-04-25 | Degussa Aktiengesellschaft | Process for leaching noble metals using cyanidic solutions with hydrogen peroxide |
| US5250272A (en) * | 1988-09-09 | 1993-10-05 | Degussa Aktiengesellschaft | Process for leaching precious metals with hydrogen-peroxide and a cyanide leaching solution |
-
0
- DE DENDAT66764D patent/DE66764C/de not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0358004A3 (en) * | 1988-09-09 | 1990-04-25 | Degussa Aktiengesellschaft | Process for leaching noble metals using cyanidic solutions with hydrogen peroxide |
| US5250272A (en) * | 1988-09-09 | 1993-10-05 | Degussa Aktiengesellschaft | Process for leaching precious metals with hydrogen-peroxide and a cyanide leaching solution |
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