RU2019128083A - METHOD FOR EXTRACTION OF PRECIOUS AND NON-FERROUS METALS FROM RESISTANT SULPHIDE-CONTAINING RAW MATERIAL - Google Patents

METHOD FOR EXTRACTION OF PRECIOUS AND NON-FERROUS METALS FROM RESISTANT SULPHIDE-CONTAINING RAW MATERIAL Download PDF

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Publication number
RU2019128083A
RU2019128083A RU2019128083A RU2019128083A RU2019128083A RU 2019128083 A RU2019128083 A RU 2019128083A RU 2019128083 A RU2019128083 A RU 2019128083A RU 2019128083 A RU2019128083 A RU 2019128083A RU 2019128083 A RU2019128083 A RU 2019128083A
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RU
Russia
Prior art keywords
solution
leaching
sulfuric acid
carried out
sulfides
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RU2019128083A
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Russian (ru)
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RU2749309C2 (en
RU2019128083A3 (en
Inventor
Руслан Нурлович Набиулин
Андрей Владимирович Богородский
Станислав Сергеевич Баликов
Original Assignee
Акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" АО "Иргиредмет"
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Application filed by Акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" АО "Иргиредмет" filed Critical Акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" АО "Иргиредмет"
Priority to RU2019128083A priority Critical patent/RU2749309C2/en
Publication of RU2019128083A publication Critical patent/RU2019128083A/en
Publication of RU2019128083A3 publication Critical patent/RU2019128083A3/ru
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Publication of RU2749309C2 publication Critical patent/RU2749309C2/en

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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
    • C22B11/00—Obtaining noble metals
    • C22B11/04—Obtaining noble metals by wet processes
    • 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
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0065—Leaching or slurrying
    • C22B15/0067—Leaching or slurrying with acids or salts thereof
    • C22B15/0071—Leaching or slurrying with acids or salts thereof containing sulfur
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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

Claims (6)

1. Способ извлечения драгоценных и цветных металлов из упорного сульфидного сырья, включающий тонкое измельчение до крупности P80 % класса минус 20 мкм или меньше, выщелачивание минерального сырья раствором серной кислоты с ионами трехвалентного железа при атмосферном давлении, с барботажем кислородсодержащего газа в реакторе открытого типа при температуре, не приводящей к кипению раствора, отличающийся тем, что выщелачивание минерального сырья раствором серной кислоты проводят в две или три стадии, первую из которых осуществляют с барботажем воздуха, вторую с барботажем кислорода, третью при необходимости с барботажем воздуха.1. A method for extracting precious and non-ferrous metals from refractory sulfide raw materials, including fine grinding to a size P 80% of class minus 20 microns or less, leaching of mineral raw materials with a solution of sulfuric acid with ferric ions at atmospheric pressure, with bubbling oxygen-containing gas in an open-type reactor at a temperature that does not boil the solution, characterized in that the leaching of mineral raw materials with a solution of sulfuric acid is carried out in two or three stages, the first of which is carried out with bubbling air, the second with bubbling oxygen, the third, if necessary, with bubbling air. 2. Способ по п. 1, отличающийся тем, что первую стадию выщелачивания раствором серной кислоты проводят до степени окисления сульфидов 1-25%.2. The method according to claim 1, characterized in that the first stage of leaching with a solution of sulfuric acid is carried out until the oxidation state of sulfides is 1-25%. 3. Способ по п. 1, отличающийся тем, что вторую стадию выщелачивания раствором серной кислоты проводят до степени окисления сульфидов 1-50%.3. A method according to claim 1, characterized in that the second stage of leaching with a solution of sulfuric acid is carried out to an oxidation state of sulfides of 1-50%. 4. Способ по п. 1, отличающийся тем, что третью стадию выщелачивания раствором серной кислоты проводят до степени окисления сульфидов 1-85%.4. The method according to claim 1, characterized in that the third stage of leaching with a sulfuric acid solution is carried out until the oxidation state of sulfides is 1-85%. 5. Способ по п. 1, отличающийся тем, что третью стадию выщелачивания раствором серной кислоты проводят в случае недоокисления сульфидов на первых двух стадиях и сниженных показателей извлечения драгоценных металлов при цианировании.5. The method according to claim 1, characterized in that the third stage of leaching with a solution of sulfuric acid is carried out in the case of under-oxidation of sulfides in the first two stages and reduced rates of extraction of precious metals during cyanidation. 6. Способ по п. 1, отличающийся тем, что в качестве минерального сырья может являться сульфидсодержащая руда и концентраты, а также хвосты обогатительных фабрик.6. The method according to claim. 1, characterized in that the mineral raw material can be sulfide-containing ore and concentrates, as well as the tailings of concentration plants.
RU2019128083A 2019-09-05 2019-09-05 Method for recovery of gold and copper from sulphide gold and copper float concentrate RU2749309C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2019128083A RU2749309C2 (en) 2019-09-05 2019-09-05 Method for recovery of gold and copper from sulphide gold and copper float concentrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2019128083A RU2749309C2 (en) 2019-09-05 2019-09-05 Method for recovery of gold and copper from sulphide gold and copper float concentrate

Publications (3)

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RU2019128083A true RU2019128083A (en) 2021-03-05
RU2019128083A3 RU2019128083A3 (en) 2021-03-05
RU2749309C2 RU2749309C2 (en) 2021-06-08

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU85385A1 (en) * 1984-05-28 1986-01-29 Mines Fond Zinc Vieille PROCESS FOR LEACHING SULPHIDES CONTAINING ZINC AND IRON
AUPN191395A0 (en) * 1995-03-22 1995-04-27 M.I.M. Holdings Limited Atmospheric mineral leaching process
RU2144091C1 (en) * 1999-05-07 2000-01-10 Открытое акционерное общество "Комбинат Североникель" Method of processing intermediate products in copper-and-nickel manufacture
FI125388B (en) * 2013-06-07 2015-09-30 Outotec Finland Oy Process for the recovery of copper and precious metals
RU2625146C2 (en) * 2015-11-03 2017-07-11 Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" Method of extracting precious metals from forged gold-sulfide raw material

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RU2749309C2 (en) 2021-06-08
RU2019128083A3 (en) 2021-03-05

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TC4A Change in inventorship

Effective date: 20210723