CL2017003274A1 - Method for biolixing copper sulphide ores using a consortium of microorganisms comprising ferrooxidant bacteria and the acidomyces acidophilus he17 fungus in an inorganic medium free of ferrous sulfate and ph <2, favoring bacterial growth and increasing the extraction of metal from the mineral. - Google Patents

Method for biolixing copper sulphide ores using a consortium of microorganisms comprising ferrooxidant bacteria and the acidomyces acidophilus he17 fungus in an inorganic medium free of ferrous sulfate and ph <2, favoring bacterial growth and increasing the extraction of metal from the mineral.

Info

Publication number
CL2017003274A1
CL2017003274A1 CL2017003274A CL2017003274A CL2017003274A1 CL 2017003274 A1 CL2017003274 A1 CL 2017003274A1 CL 2017003274 A CL2017003274 A CL 2017003274A CL 2017003274 A CL2017003274 A CL 2017003274A CL 2017003274 A1 CL2017003274 A1 CL 2017003274A1
Authority
CL
Chile
Prior art keywords
mineral
biolixing
acidomyces
ferrooxidant
acidophilus
Prior art date
Application number
CL2017003274A
Other languages
Spanish (es)
Inventor
Mantilla Mario Esparza
Olivera Ronald Eleazar Huarachi
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 CL2017003274A priority Critical patent/CL2017003274A1/en
Priority to PCT/CL2018/050134 priority patent/WO2019119166A1/en
Publication of CL2017003274A1 publication Critical patent/CL2017003274A1/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
    • C22B15/00—Obtaining copper
    • 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)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Biotechnology (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

La presente invención se refiere al área de la minería. En particular, a un método para la biolixiviación de minerales. Aún más particularmente, a un método para biolixiviar minerales sulfurados a partir de un consorcio de microorganismos que comprende bacterias ferrooxidantes – número de acceso del Banco de Recursos Genético Microbianos Regional de Investigación Quilamapu, Chillán, Chile, RGM XXX_XX y el hongo Acidomyces acidophilus HE17 - número de acceso del Banco de Recursos Genético Microbianos Regional de Investigación Quilamapu, Chillán, Chile, RGM XXX_XX, en un medio inorgánico libre de sulfato ferroso y pH < 2, favoreciendo el crecimiento bacteriano y aumentando la extracción del metal desde el mineral.The present invention relates to the area of mining. In particular, to a method for mineral bioleaching. Even more particularly, a method for biolixing sulfur minerals from a consortium of microorganisms comprising ferrooxidant bacteria - accession number of the Regional Microbial Genetic Resources Research Bank Quilamapu, Chillán, Chile, RGM XXX_XX and the Acidomyces acidophilus HE17 fungus - Accession number of the Regional Microbial Genetic Resources Research Bank Quilamapu, Chillán, Chile, RGM XXX_XX, in an inorganic medium free of ferrous sulfate and pH <2, favoring bacterial growth and increasing the extraction of metal from the mineral.

CL2017003274A 2017-12-19 2017-12-19 Method for biolixing copper sulphide ores using a consortium of microorganisms comprising ferrooxidant bacteria and the acidomyces acidophilus he17 fungus in an inorganic medium free of ferrous sulfate and ph <2, favoring bacterial growth and increasing the extraction of metal from the mineral. CL2017003274A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CL2017003274A CL2017003274A1 (en) 2017-12-19 2017-12-19 Method for biolixing copper sulphide ores using a consortium of microorganisms comprising ferrooxidant bacteria and the acidomyces acidophilus he17 fungus in an inorganic medium free of ferrous sulfate and ph <2, favoring bacterial growth and increasing the extraction of metal from the mineral.
PCT/CL2018/050134 WO2019119166A1 (en) 2017-12-19 2018-12-19 Method for bioleaching sulfur-containing copper minerals using a consortium of microorganisms comprising iron-oxidising bacteria and the fungus acidomyces acidophilus he17 in an inorganic medium at a ph of less than 2, promoting bacterial growth and increasing extraction of the metal from the mineral

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CL2017003274A CL2017003274A1 (en) 2017-12-19 2017-12-19 Method for biolixing copper sulphide ores using a consortium of microorganisms comprising ferrooxidant bacteria and the acidomyces acidophilus he17 fungus in an inorganic medium free of ferrous sulfate and ph <2, favoring bacterial growth and increasing the extraction of metal from the mineral.

Publications (1)

Publication Number Publication Date
CL2017003274A1 true CL2017003274A1 (en) 2019-03-29

Family

ID=65898231

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2017003274A CL2017003274A1 (en) 2017-12-19 2017-12-19 Method for biolixing copper sulphide ores using a consortium of microorganisms comprising ferrooxidant bacteria and the acidomyces acidophilus he17 fungus in an inorganic medium free of ferrous sulfate and ph <2, favoring bacterial growth and increasing the extraction of metal from the mineral.

Country Status (2)

Country Link
CL (1) CL2017003274A1 (en)
WO (1) WO2019119166A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113801827B (en) * 2021-10-29 2022-10-11 江苏理工学院 Acidomyces acidothermus strain and application thereof in leaching copper-containing pollutants of waste circuit boards

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6294362B1 (en) * 1996-10-04 2001-09-25 Mbx Systems, Inc. Rapid ferrous sulfate biooxidation
US8492093B2 (en) * 2005-08-26 2013-07-23 Biosigma S.A. Method for the identification and quantification of microorganisms useful in biomining processes
US8888890B2 (en) * 2011-10-06 2014-11-18 Earth Renaissance Technologies, Llc Ore leaching method for metals recovery

Also Published As

Publication number Publication date
WO2019119166A1 (en) 2019-06-27

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