CA2894639C - Heavy-metal removal method and heavy-metal removal device - Google Patents
Heavy-metal removal method and heavy-metal removal device Download PDFInfo
- Publication number
- CA2894639C CA2894639C CA2894639A CA2894639A CA2894639C CA 2894639 C CA2894639 C CA 2894639C CA 2894639 A CA2894639 A CA 2894639A CA 2894639 A CA2894639 A CA 2894639A CA 2894639 C CA2894639 C CA 2894639C
- Authority
- CA
- Canada
- Prior art keywords
- heavy
- reaction vessel
- aeration tube
- ion
- neutralization
- 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.)
- Expired - Fee Related
Links
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000005273 aeration Methods 0.000 claims abstract description 70
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 49
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 239000007864 aqueous solution Substances 0.000 claims abstract description 27
- 150000002500 ions Chemical class 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 20
- 230000003647 oxidation Effects 0.000 claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 17
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910001448 ferrous ion Inorganic materials 0.000 claims abstract description 10
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001437 manganese ion Inorganic materials 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 15
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 15
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 15
- 238000009854 hydrometallurgy Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 description 27
- 239000007789 gas Substances 0.000 description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 18
- 238000007664 blowing Methods 0.000 description 11
- 229910052759 nickel Inorganic materials 0.000 description 10
- 238000000926 separation method Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- 238000001784 detoxification Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000005987 sulfurization reaction Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000002386 leaching Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 239000000920 calcium hydroxide Substances 0.000 description 4
- 235000011116 calcium hydroxide Nutrition 0.000 description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011369 resultant mixture Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- -1 ferromanganese ion Chemical class 0.000 description 3
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 3
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 229910000616 Ferromanganese Inorganic materials 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical group [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 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
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000011504 laterite Substances 0.000 description 1
- 229910001710 laterite Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0407—Leaching processes
- C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
- C22B23/043—Sulfurated acids or salts thereof
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
- C22B23/0461—Treatment or purification of solutions, e.g. obtained by leaching by chemical methods
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/206—Manganese or manganese compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- 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)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Removal Of Specific Substances (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-270722 | 2012-12-11 | ||
| JP2012270722A JP5720665B2 (ja) | 2012-12-11 | 2012-12-11 | 重金属除去方法及び重金属除去装置 |
| PCT/JP2013/081472 WO2014091904A1 (ja) | 2012-12-11 | 2013-11-22 | 重金属除去方法及び重金属除去装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2894639A1 CA2894639A1 (en) | 2014-06-19 |
| CA2894639C true CA2894639C (en) | 2019-12-31 |
Family
ID=50934199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2894639A Expired - Fee Related CA2894639C (en) | 2012-12-11 | 2013-11-22 | Heavy-metal removal method and heavy-metal removal device |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20150315046A1 (https=) |
| EP (1) | EP2933234B1 (https=) |
| JP (1) | JP5720665B2 (https=) |
| CN (1) | CN104968610A (https=) |
| AU (1) | AU2013358259A1 (https=) |
| CA (1) | CA2894639C (https=) |
| PH (1) | PH12015501315A1 (https=) |
| WO (1) | WO2014091904A1 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5700029B2 (ja) * | 2012-12-11 | 2015-04-15 | 住友金属鉱山株式会社 | 硫化水素を含む貧液の処理方法及び処理装置 |
| JP5942830B2 (ja) * | 2012-12-11 | 2016-06-29 | 住友金属鉱山株式会社 | 撹拌反応装置 |
| JP6544059B2 (ja) * | 2015-06-08 | 2019-07-17 | 栗田エンジニアリング株式会社 | 排水の処理方法 |
| JP7247729B2 (ja) * | 2019-04-18 | 2023-03-29 | 住友金属鉱山株式会社 | ニッケル酸化鉱石の湿式製錬において発生する貧液の中和処理方法 |
| JP7238686B2 (ja) * | 2019-08-15 | 2023-03-14 | 住友金属鉱山株式会社 | 中和処理方法 |
| JP2022104019A (ja) * | 2020-12-28 | 2022-07-08 | 住友金属鉱山株式会社 | 中和処理方法、ニッケル酸化鉱石の湿式製錬方法 |
| JP7767818B2 (ja) * | 2021-10-06 | 2025-11-12 | 住友金属鉱山株式会社 | 粗硫酸ニッケル水溶液の脱鉄設備 |
| CN115677110B (zh) * | 2022-11-02 | 2024-05-10 | 广东工业大学 | 一种磁性淀粉水凝胶复合重金属吸附设备 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4207275A (en) * | 1974-03-29 | 1980-06-10 | General Signal Corporation | Mixing apparatus |
| JPS58186425A (ja) * | 1982-04-14 | 1983-10-31 | Takeda Chem Ind Ltd | 気液接触装置 |
| SE461444B (sv) * | 1985-11-21 | 1990-02-19 | Boerje Skaanberg | Impellerapparat foer omroerning av vaetska under dispergering av gas daeri |
| JPH03249930A (ja) * | 1990-02-27 | 1991-11-07 | Sumitomo Heavy Ind Ltd | 攪拌装置 |
| JPH0489541U (https=) * | 1990-12-14 | 1992-08-05 | ||
| JP3162582B2 (ja) | 1994-09-02 | 2001-05-08 | オルガノ株式会社 | 曝気槽 |
| JP3225836B2 (ja) * | 1996-03-14 | 2001-11-05 | 大平洋金属株式会社 | マグネシュウムを含有するマンガン酸性溶液からのマンガンの優先的除去法 |
| JPH09248578A (ja) * | 1996-03-15 | 1997-09-22 | Kurita Water Ind Ltd | 第一鉄イオン含有水の処理装置 |
| JPH09314169A (ja) * | 1996-06-03 | 1997-12-09 | Zeniya Kaiyo Service Kk | 曝気装置の散気管 |
| JP3695033B2 (ja) | 1997-01-20 | 2005-09-14 | 味の素株式会社 | 撹拌翼 |
| JP4204020B2 (ja) * | 1998-08-26 | 2009-01-07 | 三井造船株式会社 | 攪拌曝気装置 |
| JP2002282664A (ja) * | 2001-03-28 | 2002-10-02 | Dainippon Ink & Chem Inc | ガス吹き出しノズル及びこれを用いた槽 |
| JP2004167386A (ja) * | 2002-11-20 | 2004-06-17 | Dainippon Ink & Chem Inc | 撹拌槽用バッフル及び撹拌方法 |
| JP4525428B2 (ja) * | 2004-05-13 | 2010-08-18 | 住友金属鉱山株式会社 | ニッケル酸化鉱石の湿式製錬方法 |
| BRPI0601717A (pt) * | 2006-05-04 | 2007-12-18 | Du Pont Brasil | processo para a fabricação de carbonato de cálcio |
| JP5572928B2 (ja) * | 2008-07-25 | 2014-08-20 | 住友金属鉱山株式会社 | ニッケル酸化鉱石の湿式製錬方法 |
| JP5446226B2 (ja) * | 2008-09-19 | 2014-03-19 | 住友金属鉱山株式会社 | ニッケル酸化鉱石の湿式製錬方法 |
| JP5359392B2 (ja) * | 2009-03-09 | 2013-12-04 | 住友金属鉱山株式会社 | 排水からのマンガンの除去方法 |
| JP4888578B2 (ja) * | 2010-04-15 | 2012-02-29 | 住友金属鉱山株式会社 | ニッケル酸化鉱石の湿式精錬プラント及びその操業方法 |
| CN101844822B (zh) * | 2010-05-11 | 2012-09-26 | 沈阳建筑大学 | 三维电极/电芬顿反应器 |
| CN101913692B (zh) * | 2010-08-17 | 2012-09-05 | 安徽金星钛白(集团)有限公司 | 处理钛白酸性废水的方法和中和桶 |
| JP5532015B2 (ja) * | 2011-05-23 | 2014-06-25 | 住友金属鉱山株式会社 | 排水処理装置 |
| CN102674533B (zh) * | 2012-05-10 | 2014-02-19 | 武汉市政工程设计研究院有限责任公司 | 一种用于污水处理的旋转式微孔曝气圆环盘管系统 |
| JP5700029B2 (ja) * | 2012-12-11 | 2015-04-15 | 住友金属鉱山株式会社 | 硫化水素を含む貧液の処理方法及び処理装置 |
| JP5942830B2 (ja) * | 2012-12-11 | 2016-06-29 | 住友金属鉱山株式会社 | 撹拌反応装置 |
-
2012
- 2012-12-11 JP JP2012270722A patent/JP5720665B2/ja active Active
-
2013
- 2013-11-22 US US14/651,354 patent/US20150315046A1/en not_active Abandoned
- 2013-11-22 CN CN201380064945.3A patent/CN104968610A/zh active Pending
- 2013-11-22 CA CA2894639A patent/CA2894639C/en not_active Expired - Fee Related
- 2013-11-22 WO PCT/JP2013/081472 patent/WO2014091904A1/ja not_active Ceased
- 2013-11-22 EP EP13862448.1A patent/EP2933234B1/en not_active Not-in-force
- 2013-11-22 AU AU2013358259A patent/AU2013358259A1/en not_active Abandoned
-
2015
- 2015-06-09 PH PH12015501315A patent/PH12015501315A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP2933234B1 (en) | 2017-01-04 |
| PH12015501315B1 (en) | 2015-08-24 |
| WO2014091904A1 (ja) | 2014-06-19 |
| JP5720665B2 (ja) | 2015-05-20 |
| CN104968610A (zh) | 2015-10-07 |
| PH12015501315A1 (en) | 2015-08-24 |
| JP2014113566A (ja) | 2014-06-26 |
| EP2933234A4 (en) | 2016-05-11 |
| EP2933234A1 (en) | 2015-10-21 |
| AU2013358259A1 (en) | 2015-07-23 |
| CA2894639A1 (en) | 2014-06-19 |
| US20150315046A1 (en) | 2015-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2894639C (en) | Heavy-metal removal method and heavy-metal removal device | |
| EP2933235B1 (en) | Processing method for hydrogen-sulphide-containing barren solution | |
| CA2890572C (en) | Method for recovering scandium | |
| CA2792400C (en) | Method for wastewater treatment for wastewater containing aluminium, magnesium, and manganese | |
| CA2677939C (en) | Method and system for removing manganese from waste liquors | |
| JP5942830B2 (ja) | 撹拌反応装置 | |
| CN113088702B (zh) | 一种从含金硫精矿焙烧渣酸浸液中回收有价元素方法 | |
| JP5751393B1 (ja) | 重金属除去方法及び重金属除去装置 | |
| JP2019073776A (ja) | 硫化剤の除去方法 | |
| WO2025193108A1 (en) | Metal recovery process | |
| JP7087601B2 (ja) | 硫化剤の除去方法及びニッケル酸化鉱石の湿式製錬方法 | |
| AU2017220174B2 (en) | Neutralization method and nickel oxide ore hydrometallurgical method | |
| JP6413772B2 (ja) | クロム含有水の処理方法 | |
| JP2020029589A (ja) | ニッケル酸化鉱石の湿式製錬法における臭気低減方法 | |
| Quiton et al. | Reclamation of cobalt and copper from single-and co-contaminated wastewater via carbonate and hydroxide precipitation | |
| CN115180639A (zh) | 一种硫酸锂溶液净化除杂及生产碳酸锂的方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20170828 |
|
| MKLA | Lapsed |
Effective date: 20211122 |