JP2021088759A5 - - Google Patents
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- JP2021088759A5 JP2021088759A5 JP2020187828A JP2020187828A JP2021088759A5 JP 2021088759 A5 JP2021088759 A5 JP 2021088759A5 JP 2020187828 A JP2020187828 A JP 2020187828A JP 2020187828 A JP2020187828 A JP 2020187828A JP 2021088759 A5 JP2021088759 A5 JP 2021088759A5
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- JP
- Japan
- Prior art keywords
- mineral
- processing method
- slurry
- raw material
- molybdenum
- 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.)
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- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 41
- 239000011707 mineral Substances 0.000 claims description 41
- 239000002002 slurry Substances 0.000 claims description 12
- 238000003672 processing method Methods 0.000 claims description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L Sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 8
- 238000005188 flotation Methods 0.000 claims description 7
- 230000003750 conditioning Effects 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 229910001779 copper mineral Inorganic materials 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 4
- CSABAZBYIWDIDE-UHFFFAOYSA-N sulfino hydrogen sulfite Chemical class OS(=O)OS(O)=O CSABAZBYIWDIDE-UHFFFAOYSA-N 0.000 claims description 4
- 229910052947 chalcocite Inorganic materials 0.000 claims description 3
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052951 chalcopyrite Inorganic materials 0.000 claims description 3
- MCJZOJPTTRMDJI-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl)methanolate Chemical compound C1CC2(C)C(C[O-])CC1C2(C)C MCJZOJPTTRMDJI-UHFFFAOYSA-N 0.000 claims description 2
- BWFPGXWASODCHM-UHFFFAOYSA-N Copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 claims description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N Molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052948 bornite Inorganic materials 0.000 claims description 2
- 229910052955 covellite Inorganic materials 0.000 claims description 2
- 229910052971 enargite Inorganic materials 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 229910052961 molybdenite Inorganic materials 0.000 claims description 2
- 229910052970 tennantite Inorganic materials 0.000 claims description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M sodium bisulfite Chemical group [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims 2
- 235000010262 sodium metabisulphite Nutrition 0.000 claims 2
- WBZKQQHYRPRKNJ-UHFFFAOYSA-N Disulfurous acid Chemical compound OS(=O)S(O)(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-N 0.000 claims 1
- -1 potassium disulfurous acid Chemical compound 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 claims 1
- BHZRJJOHZFYXTO-UHFFFAOYSA-L Potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 description 1
- 235000019252 potassium sulphite Nutrition 0.000 description 1
Description
第１発明の選鉱方法は、銅鉱物とモリブデン鉱物とを含む鉱物スラリーに二亜硫酸塩を添加する条件付け工程と、前記条件付け工程の後、前記鉱物スラリーを用いて浮遊選鉱を行なう浮遊選鉱工程と、を備え、前記鉱物スラリーは鉱物と海水とを混合して得たものであり、前記鉱物スラリーの液相のｐＨは４〜６であることを特徴とする。
第２発明の選鉱方法は、第１発明において、前記浮遊選鉱工程において、前記鉱物スラリーに含まれる原料鉱物を、該原料鉱物よりも前記モリブデン鉱物の割合が高い浮鉱と、該原料鉱物よりも前記銅鉱物の割合が高い沈鉱とに分離することを特徴とする。
第３発明の選鉱方法は、第１または第２発明において、前記二亜硫酸塩は二亜硫酸ナトリウムまたは二亜硫酸カリウムであることを特徴とする。
第４発明の選鉱方法は、第１または第２発明において、前記条件付け工程において、前記二亜硫酸塩として二亜硫酸ナトリウムを用い、二亜硫酸ナトリウムの添加量を前記鉱物スラリーの鉱物重量に対して５〜２５ｋｇ／ｔとすることを特徴とする。
第５発明の選鉱方法は、第１〜第４発明のいずれかにおいて、前記銅鉱物は、黄銅鉱、斑銅鉱、硫砒銅鉱、輝銅鉱、砒四面銅鉱、銅藍からなる群から選択される一種以上を含み、前記モリブデン鉱物は輝水鉛鉱であることを特徴とする。
The mineral processing method of the first invention includes a conditioning step of adding diosulfate to a mineral slurry containing a copper mineral and a molybdenum mineral, and a flotation step of performing flotation using the mineral slurry after the conditioning step. The mineral slurry is obtained by mixing minerals and seawater, and the pH of the liquid phase of the mineral slurry is 4 to 6 .
In the first invention, the mineral processing method according to the second invention is described in that, in the floating mineral processing step, the raw material mineral contained in the mineral slurry is a flotation mineral having a higher proportion of the molybdenum mineral than the raw material mineral, and the raw material mineral. It is characterized by separating into a flotation having a high proportion of the copper mineral.
The mineral processing method of the third invention is characterized in that, in the first or second invention, the disulfurous acid salt is sodium sulfite or potassium sulfite.
In the first or second invention, the mineral processing method of the fourth invention uses sodium sulfite as the disulfurous acid salt in the conditioning step, and the amount of sodium sulfite added is 5 to 5 with respect to the mineral weight of the mineral slurry. It is characterized by having a temperature of 25 kg / t.
The beneficiation method of the fifth invention is one of the first to fourth inventions, wherein the copper mineral is selected from the group consisting of chalcopyrite, bornite, enargite, chalcocite, tennantite, and covellite. Including the above, the molybdenite mineral is chalcocite.
Claims (5)
前記条件付け工程の後、前記鉱物スラリーを用いて浮遊選鉱を行なう浮遊選鉱工程と、を備え、
前記鉱物スラリーは鉱物と海水とを混合して得たものであり、
前記鉱物スラリーの液相のｐＨは４〜６である
ことを特徴とする選鉱方法。 A conditioning step of adding disulfurous acid to a mineral slurry containing chalcopyrite and molybdenum minerals,
After the conditioning step, a flotation beneficiation step of performing flotation beneficiation using the mineral slurry is provided .
The mineral slurry is obtained by mixing minerals and seawater.
A mineral processing method characterized in that the pH of the liquid phase of the mineral slurry is 4 to 6.
ことを特徴とする請求項１記載の選鉱方法。 In the floating mineral processing step, the raw material mineral contained in the mineral slurry is separated into a flotation having a higher proportion of the molybdenum mineral than the raw material mineral and a sedimentation having a higher proportion of the copper mineral than the raw material mineral. The mineral processing method according to claim 1, wherein the mineral processing method is characterized by the above.
ことを特徴とする請求項１または２記載の選鉱方法。 The mineral processing method according to claim 1 or 2, wherein the disulfurous acid salt is sodium disulfite or potassium disulfurous acid.
ことを特徴とする請求項１または２記載の選鉱方法。 The first or second claim, wherein in the conditioning step, sodium sulfite is used as the disulfurous acid salt, and the amount of sodium disulfite added is 5 to 25 kg / t with respect to the mineral weight of the mineral slurry. Mineral processing method.
前記モリブデン鉱物は輝水鉛鉱である
ことを特徴とする請求項１〜４のいずれかに記載の選鉱方法。 The copper minerals include one or more selected from the group consisting of chalcopyrite, bornite, enargite, chalcocite, tennantite, and covellite.
The mineral processing method according to any one of claims 1 to 4, wherein the molybdenum mineral is molybdenite.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PE2022000793A PE20221500A1 (en) | 2019-11-25 | 2020-11-13 | MINERAL PROCESSING METHOD |
| US17/765,398 US20220355313A1 (en) | 2019-11-25 | 2020-11-13 | Mineral processing method |
| CA3144373A CA3144373C (en) | 2019-11-25 | 2020-11-13 | Floatation separation of copper and molybdenum using disulfite |
| PCT/JP2020/042427 WO2021106631A1 (en) | 2019-11-25 | 2020-11-13 | Ore dressing method |
| CL2022000679A CL2022000679A1 (en) | 2019-11-25 | 2022-03-21 | Mineral processing method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019212060 | 2019-11-25 | ||
| JP2019212060 | 2019-11-25 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021088759A JP2021088759A (en) | 2021-06-10 |
| JP2021088759A5 true JP2021088759A5 (en) | 2021-07-29 |
| JP6950900B2 JP6950900B2 (en) | 2021-10-13 |
Family
ID=76219467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020187828A Active JP6950900B2 (en) | 2019-11-25 | 2020-11-11 | Mineral processing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6950900B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2082831C (en) * | 1992-11-13 | 1996-05-28 | Sadan Kelebek | Selective flotation process for separation of sulphide minerals |
| CA2782436C (en) * | 2009-12-04 | 2018-05-22 | Barrick Gold Corporation | Separation of copper minerals from pyrite using air-metabisulfite treatment |
| US10654048B2 (en) * | 2017-03-09 | 2020-05-19 | Chevron Phillips Chemical Company Lp | Recovery of molybdenum using sodium metabisulfite and a thiocarbonate depressant |
-
2020
- 2020-11-11 JP JP2020187828A patent/JP6950900B2/en active Active
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