[go: up one dir, main page]

DE88957C - - Google Patents

Info

Publication number
DE88957C
DE88957C DENDAT88957D DE88957DA DE88957C DE 88957 C DE88957 C DE 88957C DE NDAT88957 D DENDAT88957 D DE NDAT88957D DE 88957D A DE88957D A DE 88957DA DE 88957 C DE88957 C DE 88957C
Authority
DE
Germany
Prior art keywords
silver
gold
alkali
recovery
alkaline
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.)
Active
Application number
DENDAT88957D
Other languages
German (de)
Publication of DE88957C publication Critical patent/DE88957C/de
Active 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
    • 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)
  • Electrolytic Production Of Metals (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zum Fällen von Silber und Gold aus ihren Lösungen in Cyanalkalien unter Wiedergewinnung der letzteren, dadurch gekennzeichnet, dafs die Lösung der Silber- und Goldalkalidoppelcyanide mit Salzsäure schwach angesäuert und das Filtrat von dem hierbei ausgeschiedenen Chlorsilber der Elektrolyse unterworfen wird, . deren Endlauge mit Aetzalkali behufs Wiedergewinnung des Alkalicyanide schwach alkalisch gemacht wird.Procedure for precipitating silver and gold from their solutions in alkaline cyanides under Recovery of the latter, characterized in that the solution of the silver and Gold alkali double cyanide weakly acidified with hydrochloric acid and the filtrate from this precipitated silver chlorine is subjected to electrolysis,. their final liquor with caustic alkali is made weakly alkaline for the recovery of the alkali metal cyanide.
DENDAT88957D Active DE88957C (en)

Publications (1)

Publication Number Publication Date
DE88957C true DE88957C (en)

Family

ID=360811

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT88957D Active DE88957C (en)

Country Status (1)

Country Link
DE (1) DE88957C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139056A1 (en) * 1983-09-10 1985-05-02 Sumitomo Metal Mining Company Limited Recovering of gold and silver from an aqueous solution containing cyanic compounds of gold and silver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139056A1 (en) * 1983-09-10 1985-05-02 Sumitomo Metal Mining Company Limited Recovering of gold and silver from an aqueous solution containing cyanic compounds of gold and silver

Similar Documents

Publication Publication Date Title
DE88957C (en)
US1519396A (en) Ore-treating process
DE65482C (en) Process of reducing the electrolytically produced copper chloride in the anolyte to copper chloride. (2
DE173628C (en)
DE489330C (en) Process for the recovery of the sodium sulphite used in the digestion of vegetable fibers from the waste liquor
DE108343C (en)
DE77392C (en) Precipitation of gold from cyanide solutions by aluminum
DE392049C (en) Process for the preparation of a dye
US1423070A (en) Process for precipitating metals from solutions
DE570015C (en) Process for de-ironing minerals such as bauxite, clay, kieselguhr, and residues such as coal slag, blast furnace slag
GB211005A (en) Process for precipitating or recovering metals from their solutions
DE358194C (en) Process for the production of alkali cyanates from alkali cyanides
AT44536B (en) Process for the precipitation of humus substances from the black liquors in the soda cellulose factories.
DE241683C (en)
DE191566C (en)
DE235476C (en)
DE252661C (en)
DE67925C (en) Method of production: iron-free copper chlorine lye
DE406201C (en) Process for the production of chlorammonium in the ammonia soda process
DE419364C (en) Process for the production of colloidal metals or their compounds
DE947705C (en) Process for the separation of basic zinc carbonate in pure form from zinc amine carbonate liquors which also contain other non-ferrous metals
DE2102037B2 (en) Process for the production of largely mercury-free anthraquinone-1-sulfonic acid and largely mercury-free anthraquinone-1,5 or. -1,8-disulfonic acids
AT101649B (en) Process for the production of compressed yeast from molasses.
RU2021102462A (en) Method for purification of platinum-palladium chloride solutions from gold, selenium, tellurium and base metal impurities
DE458437C (en) Process for the production of guanidine carbonate