JP7415275B2 - カドミウム溶液の製造方法 - Google Patents
カドミウム溶液の製造方法 Download PDFInfo
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- JP7415275B2 JP7415275B2 JP2020055484A JP2020055484A JP7415275B2 JP 7415275 B2 JP7415275 B2 JP 7415275B2 JP 2020055484 A JP2020055484 A JP 2020055484A JP 2020055484 A JP2020055484 A JP 2020055484A JP 7415275 B2 JP7415275 B2 JP 7415275B2
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- cadmium
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- leaching
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- 229910052793 cadmium Inorganic materials 0.000 title claims description 67
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims description 67
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000002386 leaching Methods 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 11
- 239000007858 starting material Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 description 39
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 24
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 24
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 14
- 239000000706 filtrate Substances 0.000 description 14
- 229910052725 zinc Inorganic materials 0.000 description 14
- 239000011701 zinc Substances 0.000 description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 13
- 229910052710 silicon Inorganic materials 0.000 description 13
- 239000010703 silicon Substances 0.000 description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 12
- 238000005363 electrowinning Methods 0.000 description 12
- 239000012535 impurity Substances 0.000 description 12
- 229910052759 nickel Inorganic materials 0.000 description 12
- 239000007787 solid Substances 0.000 description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 8
- 229910052748 manganese Inorganic materials 0.000 description 8
- 239000011572 manganese Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000011787 zinc oxide Substances 0.000 description 6
- 239000012452 mother liquor Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- PLLZRTNVEXYBNA-UHFFFAOYSA-L cadmium hydroxide Chemical compound [OH-].[OH-].[Cd+2] PLLZRTNVEXYBNA-UHFFFAOYSA-L 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- -1 cadmium Chemical compound 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Classifications
-
- 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
Description
<電解採取法の始液として用いることが可能な、カドミウム溶液の組成>
カドミウムの含有量が5g/L以上、亜鉛の含有量が50g/L以下、鉛の含有量が0.01g/L以下、ニッケルの含有量が0.2g/L以下、マンガンの含有量が5g/L以下、ケイ素の含有量が1g/L以下が好ましい成分組成である。
<セメンテーション法の始液として用いることが可能な、カドミウム溶液の組成>
カドミウムの含有量が5g/L以上、亜鉛の含有量が50g/L以下、鉛の含有量が0.01g/L以下、ニッケルの含有量が0.05g/L以下、マンガンの含有量が5g/L以下、ケイ素の含有量が0.1g/L以下が好ましい成分組成である。
ら限定されるものではない。
さらに、得られた濾液の組成分析を表2に示す。
各金属元素の浸出率を表1に示す。
さらに、得られた濾液の組成分析を表3に示す。
各金属元素の浸出率を表1に示す。
各金属元素の浸出率を表1に示す。
各金属元素の浸出率を表1に示す。
64質量%硫酸を添加してpHを7.0に維持した以外は実施例1と同じ条件で浸出処理を行い、比較例1に係る固形物と濾液を得て、それぞれを分析して各金属元素の浸出率を表1に示す。
64質量%硫酸を添加してpHを7.5に維持した以外は実施例1と同じ条件で浸出処理を行い、比較例2に係る固形物と濾液を得て、それぞれを分析して各金属元素の浸出率を表1に示す。
Claims (2)
- 出発物質となるカドミウムを含有する水酸化物を酸により浸出する際に、浸出液のpHが、2.0以上、6.0以下の範囲となるように前記水酸化物に前記酸を添加し、前記水酸化物中のカドミウムを浸出処理し、カドミウムを含む浸出液を得ることを特徴とするカドミウム溶液の製造方法。
- 出発物質となるカドミウムを含有する水酸化物を酸により浸出する際に、浸出液のpHが、5.5以上、6.5以下の範囲となるように前記水酸化物に前記酸を添加し、前記水酸化物中のカドミウムを浸出処理し、カドミウムを含む浸出液を得ることを特徴とするカドミウム溶液の製造方法。
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JP2019115329 | 2019-06-21 | ||
JP2019115329 | 2019-06-21 |
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JP2021001392A JP2021001392A (ja) | 2021-01-07 |
JP7415275B2 true JP7415275B2 (ja) | 2024-01-17 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003027153A (ja) | 2001-07-19 | 2003-01-29 | Hitachi Zosen Corp | 飛灰からの重金属の回収方法 |
JP2011026687A (ja) | 2009-07-29 | 2011-02-10 | Pan Pacific Copper Co Ltd | 銅転炉ダストの処理方法 |
JP2012077374A (ja) | 2010-10-04 | 2012-04-19 | Jx Nippon Mining & Metals Corp | 粗カドミウムの製造方法 |
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2020
- 2020-03-26 JP JP2020055484A patent/JP7415275B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003027153A (ja) | 2001-07-19 | 2003-01-29 | Hitachi Zosen Corp | 飛灰からの重金属の回収方法 |
JP2011026687A (ja) | 2009-07-29 | 2011-02-10 | Pan Pacific Copper Co Ltd | 銅転炉ダストの処理方法 |
JP2012077374A (ja) | 2010-10-04 | 2012-04-19 | Jx Nippon Mining & Metals Corp | 粗カドミウムの製造方法 |
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