CL2017003378A1 - Bio-leaching method of copper sulfide minerals, preferably chalcopyrite, with a consortium of iron and sulfur oxidizing bacteria resistant to seawater and chloride - Google Patents

Bio-leaching method of copper sulfide minerals, preferably chalcopyrite, with a consortium of iron and sulfur oxidizing bacteria resistant to seawater and chloride

Info

Publication number
CL2017003378A1
CL2017003378A1 CL2017003378A CL2017003378A CL2017003378A1 CL 2017003378 A1 CL2017003378 A1 CL 2017003378A1 CL 2017003378 A CL2017003378 A CL 2017003378A CL 2017003378 A CL2017003378 A CL 2017003378A CL 2017003378 A1 CL2017003378 A1 CL 2017003378A1
Authority
CL
Chile
Prior art keywords
consortium
seawater
iron
bio
chloride
Prior art date
Application number
CL2017003378A
Other languages
Spanish (es)
Inventor
Esparza Mantilla Mario
Magdalena Rivera Galleguillos Katherine
Original Assignee
Univ Antofagasta
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 Univ Antofagasta filed Critical Univ Antofagasta
Priority to CL2017003378A priority Critical patent/CL2017003378A1/en
Priority to PCT/CL2018/050138 priority patent/WO2019126891A1/en
Publication of CL2017003378A1 publication Critical patent/CL2017003378A1/en

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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/18—Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Microbiology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Geology (AREA)
  • Biotechnology (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

La presente invención se relaciona con la minería del cobre, y especialmente con un método para biolixiviar minerales de sulfuro de cobre, preferentemente calcopirita, con un consorcio de bacterias oxidantes de hierro y azufre resistentes a agua de mar.The present invention relates to copper mining, and especially to a method for biolixing copper sulphide minerals, preferably chalcopyrite, with a consortium of iron and sulfur oxidizing bacteria resistant to seawater.

CL2017003378A 2017-12-26 2017-12-26 Bio-leaching method of copper sulfide minerals, preferably chalcopyrite, with a consortium of iron and sulfur oxidizing bacteria resistant to seawater and chloride CL2017003378A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CL2017003378A CL2017003378A1 (en) 2017-12-26 2017-12-26 Bio-leaching method of copper sulfide minerals, preferably chalcopyrite, with a consortium of iron and sulfur oxidizing bacteria resistant to seawater and chloride
PCT/CL2018/050138 WO2019126891A1 (en) 2017-12-26 2018-12-20 Method for bioleaching copper sulfide minerals, preferably chalcopyrite, with a consortium of bacteria that oxidise iron and sulfur and are resistant to seawater and chloride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CL2017003378A CL2017003378A1 (en) 2017-12-26 2017-12-26 Bio-leaching method of copper sulfide minerals, preferably chalcopyrite, with a consortium of iron and sulfur oxidizing bacteria resistant to seawater and chloride

Publications (1)

Publication Number Publication Date
CL2017003378A1 true CL2017003378A1 (en) 2019-03-29

Family

ID=65898230

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2017003378A CL2017003378A1 (en) 2017-12-26 2017-12-26 Bio-leaching method of copper sulfide minerals, preferably chalcopyrite, with a consortium of iron and sulfur oxidizing bacteria resistant to seawater and chloride

Country Status (2)

Country Link
CL (1) CL2017003378A1 (en)
WO (1) WO2019126891A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CL2012002854A1 (en) * 2012-10-11 2014-03-14 Biosigma Sa Capsules of viable biomineros microorganisms, with alginate and iron ions; method of inoculation of biomineros microorganisms comprising adding said capsules to a medium that it is desired to inoculate; method of mineral bioleaching that controls the inoculation of biomineros microorganisms.

Also Published As

Publication number Publication date
WO2019126891A1 (en) 2019-07-04

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