KR101048526B1 - 은 촉매를 이용한 황동광의 박테리아 침출방법 - Google Patents
은 촉매를 이용한 황동광의 박테리아 침출방법 Download PDFInfo
- Publication number
- KR101048526B1 KR101048526B1 KR1020080082023A KR20080082023A KR101048526B1 KR 101048526 B1 KR101048526 B1 KR 101048526B1 KR 1020080082023 A KR1020080082023 A KR 1020080082023A KR 20080082023 A KR20080082023 A KR 20080082023A KR 101048526 B1 KR101048526 B1 KR 101048526B1
- Authority
- KR
- South Korea
- Prior art keywords
- leaching
- copper
- medium
- silver ions
- ore
- Prior art date
Links
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 44
- 239000004332 silver Substances 0.000 title claims abstract description 44
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title abstract description 4
- 239000003054 catalyst Substances 0.000 title description 8
- 238000004061 bleaching Methods 0.000 title 1
- 238000002386 leaching Methods 0.000 claims abstract description 77
- 239000010949 copper Substances 0.000 claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052802 copper Inorganic materials 0.000 claims abstract description 40
- -1 silver ions Chemical class 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052951 chalcopyrite Inorganic materials 0.000 claims abstract description 23
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 20
- 239000010951 brass Substances 0.000 claims abstract description 20
- 244000005700 microbiome Species 0.000 claims abstract description 19
- 230000000813 microbial effect Effects 0.000 claims abstract description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 241000605222 Acidithiobacillus ferrooxidans Species 0.000 claims description 5
- 229910000358 iron sulfate Inorganic materials 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 101710134784 Agnoprotein Proteins 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000012258 culturing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- BUGICWZUDIWQRQ-UHFFFAOYSA-N copper iron sulfane Chemical compound S.[Fe].[Cu] BUGICWZUDIWQRQ-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 229940100890 silver compound Drugs 0.000 description 1
- 150000003379 silver compounds Chemical class 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000005670 sulfation reaction Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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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
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
-
- 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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- 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)
Abstract
Description
Claims (7)
- 황동광으로부터 미생물 침출반응에 의하여 구리를 침출하는 방법에 있어서, 상기 미생물 침출반응시 은 이온을 황동광 1㎏당 0.04g 내지 0.64g으로 첨가하는 것을 특징으로 하는 황동광의 구리 침출방법.
- 제1항에 있어서,(S1) 배지에 황동광을 첨가하는 단계;(S2) 상기 (S1)배지의 pH를 조절하는 단계;(S3) 상기 (S2)배지에 은 이온을 첨가하는 단계; 및(S4) 상기 (S3)배지에 미생물을 접종하여 침출하는 단계를 포함하는 것을 특징으로 하는 황동광의 구리 침출방법.
- 삭제
- 제1항 또는 제2항에 있어서,상기 미생물은 에시디티오바실러스 페로옥시단스(Acidithiobacillus ferrooxidans)인 것을 특징으로 하는 황동광의 구리 침출방법.
- 제2항에 있어서,상기 (S1)의 배지가 황산철을 함유한 무기질 배지인 것을 특징으로 하는 황동광의 구리 침출방법.
- 제2항에 있어서,상기 (S2)의 pH는 황산을 사용하여 1.0 내지 3.0가 되도록 조절하는 것을 특징으로 하는 황동광의 구리 침출방법.
- 제2항에 있어서,상기 (S1)의 황동광 고액 농도는 10 내지 50 g/L인 것을 특징으로 하는 황동광의 구리 침출방법.
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KR1020080082023A KR101048526B1 (ko) | 2008-08-21 | 2008-08-21 | 은 촉매를 이용한 황동광의 박테리아 침출방법 |
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KR1020080082023A KR101048526B1 (ko) | 2008-08-21 | 2008-08-21 | 은 촉매를 이용한 황동광의 박테리아 침출방법 |
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KR20100023327A KR20100023327A (ko) | 2010-03-04 |
KR101048526B1 true KR101048526B1 (ko) | 2011-07-12 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108368563A (zh) * | 2015-10-30 | 2018-08-03 | 技术资源有限公司 | 堆浸 |
KR20200105445A (ko) | 2019-02-28 | 2020-09-07 | 전북대학교산학협력단 | 황동원광의 구리 침출용 복합 미생물 제제 및 이의 제조방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001220626A (ja) * | 2000-02-08 | 2001-08-14 | Dowa Mining Co Ltd | 銅の浸出方法 |
US6833020B1 (en) * | 1999-09-07 | 2004-12-21 | Billiton Intellectual Property, B.V. | Recovery of copper from copper bearing sulphide minerals by bioleaching with controlled oxygen feed |
-
2008
- 2008-08-21 KR KR1020080082023A patent/KR101048526B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6833020B1 (en) * | 1999-09-07 | 2004-12-21 | Billiton Intellectual Property, B.V. | Recovery of copper from copper bearing sulphide minerals by bioleaching with controlled oxygen feed |
JP2001220626A (ja) * | 2000-02-08 | 2001-08-14 | Dowa Mining Co Ltd | 銅の浸出方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108368563A (zh) * | 2015-10-30 | 2018-08-03 | 技术资源有限公司 | 堆浸 |
KR20200105445A (ko) | 2019-02-28 | 2020-09-07 | 전북대학교산학협력단 | 황동원광의 구리 침출용 복합 미생물 제제 및 이의 제조방법 |
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KR20100023327A (ko) | 2010-03-04 |
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