JP2018119216A - 有価金属精錬用原料及び有価金属精錬用原料回収方法 - Google Patents
有価金属精錬用原料及び有価金属精錬用原料回収方法 Download PDFInfo
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 72
- 239000002184 metal Substances 0.000 title claims abstract description 72
- 239000002994 raw material Substances 0.000 title claims abstract description 62
- 238000007670 refining Methods 0.000 title claims abstract description 50
- 150000002739 metals Chemical class 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 54
- 239000004568 cement Substances 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 28
- 239000007787 solid Substances 0.000 claims abstract description 20
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 229910052709 silver Inorganic materials 0.000 claims abstract description 15
- 239000004332 silver Substances 0.000 claims abstract description 15
- 239000000567 combustion gas Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 30
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 238000005188 flotation Methods 0.000 claims description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- 238000002386 leaching Methods 0.000 claims description 17
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 13
- 238000004056 waste incineration Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 241000628997 Flos Species 0.000 claims description 4
- 239000002516 radical scavenger Substances 0.000 claims 4
- 239000002699 waste material Substances 0.000 abstract description 19
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052791 calcium Inorganic materials 0.000 abstract description 7
- 239000011575 calcium Substances 0.000 abstract description 7
- 229910052710 silicon Inorganic materials 0.000 abstract description 6
- 239000010703 silicon Substances 0.000 abstract description 6
- 239000010802 sludge Substances 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 abstract 2
- 239000000428 dust Substances 0.000 description 49
- 239000000460 chlorine Substances 0.000 description 30
- 229910052801 chlorine Inorganic materials 0.000 description 30
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 28
- 239000002956 ash Substances 0.000 description 14
- 239000010931 gold Substances 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000004090 dissolution Methods 0.000 description 9
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 9
- 239000012991 xanthate Substances 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 7
- 229910052797 bismuth Inorganic materials 0.000 description 6
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 238000004065 wastewater treatment Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000010881 fly ash Substances 0.000 description 5
- 238000009700 powder processing Methods 0.000 description 5
- 150000001447 alkali salts Chemical class 0.000 description 4
- 239000010440 gypsum Substances 0.000 description 4
- 229910052602 gypsum Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
Images
Classifications
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- 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
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
2 ガス抽気部
3 ガス処理部
4 微粉末処理部
5 セメントキルン
6 プローブ
7 冷却ファン
10 サイクロン
11 冷却器
12 冷却ファン
13 バグフィルタ
14 ダストタンク
20 溶解槽
21 第1の固液分離機
22 HMX処理工程
23 スラリータンク
24、25 調整槽
26 浮選機
27 第2の固液分離機
28 調整槽
29 第3の固液分離機
C1〜C4 ケーキ
D1 粗粉
D2 微粉
D3、D4 ダスト
D5 塩素バイパスダスト
F フロス
G1 抽気ガス
G2、G3 排ガス
S1〜S7 スラリー
T テール
W1〜W3 ろ液
W4 廃液
Claims (9)
- セメントキルンの窯尻から最下段サイクロンに至るまでのキルン排ガス流路より燃焼ガスの一部を冷却しながら抽気し、該抽気ガスを固気分離して固体として得られ、銀を含むことを特徴とする有価金属精錬用原料。
- 前記抽気ガスを粗粉と、10μm通過分が80質量%以上の微粉を含むガスとに分離し、該微粉を含むガスを固気分離して固体として得られることを特徴とする請求項1に記載の有価金属精錬用原料。
- 前記得られた固体を水洗し、該水洗後のスラリーを固液分離して固体として得られることを特徴とする請求項1又は2に記載の有価金属精錬用原料。
- 前記水洗用液に塩酸又は硝酸を添加して前記水洗を行うことを特徴とする請求項3に記載の有価金属精錬用原料。
- 前記有価金属精錬用原料を水洗し、
該スラリーを酸浸出し、
該酸浸出によって得られた浸出残渣をアルカリ浸出し、
該アルカリ浸出によって得られた浸出残渣を回収して得られることを特徴とする請求項1乃至4のいずれかに記載の有価金属精錬用原料。 - 前記有価金属精錬用原料に水及び硫化剤を添加し、
該水及び硫化剤を添加して生じたスラリーに捕集剤を添加し、
該捕集剤を添加したスラリーを浮遊選鉱し、
該浮遊選鉱によって得られたフロスを固液分離し、
該固液分離によって固体として得られることを特徴とする請求項1乃至4のいずれかに記載の有価金属精錬用原料。 - 前記浸出残渣を回収して得られた有価金属精錬用原料に水及び硫化剤を添加し、
該水及び硫化剤を添加して生じたスラリーに捕集剤を添加し、
該捕集剤を添加したスラリーを浮遊選鉱し、
該浮遊選鉱によって得られたフロスを固液分離し、
該固液分離によって固体として得られることを特徴とする請求項5に記載の有価金属精錬用原料。 - セメントキルンの窯尻から最下段サイクロンに至るまでのキルン排ガス流路より燃焼ガスの一部を冷却しながら抽気し、該抽気ガスを固気分離して銀を含む固体を回収することを特徴とする有価金属精錬用原料回収方法。
- 前記セメントキルンで焼成するセメント原料の一部として都市ごみ焼却灰を用いることを特徴とする請求項8に記載の有価金属精錬用原料回収方法。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020094229A (ja) * | 2018-12-10 | 2020-06-18 | 太平洋セメント株式会社 | 高貴金属含有ダスト回収方法及び回収装置並びに高貴金属含有ダスト |
IT202100002831A1 (it) * | 2021-02-09 | 2022-08-09 | Mercurio Srl | Apparecchiatura di recupero di metalli preziosi, quali platino, rodio, oro, argento, ecc., da cemento contaminato |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011057495A (ja) * | 2009-09-09 | 2011-03-24 | Taiheiyo Cement Corp | セメント製造装置及び製造方法 |
JP2012167332A (ja) * | 2011-02-15 | 2012-09-06 | Taiheiyo Cement Corp | 銀および鉛の回収方法 |
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- 2018-04-18 JP JP2018079683A patent/JP6864648B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011057495A (ja) * | 2009-09-09 | 2011-03-24 | Taiheiyo Cement Corp | セメント製造装置及び製造方法 |
JP2012167332A (ja) * | 2011-02-15 | 2012-09-06 | Taiheiyo Cement Corp | 銀および鉛の回収方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020094229A (ja) * | 2018-12-10 | 2020-06-18 | 太平洋セメント株式会社 | 高貴金属含有ダスト回収方法及び回収装置並びに高貴金属含有ダスト |
IT202100002831A1 (it) * | 2021-02-09 | 2022-08-09 | Mercurio Srl | Apparecchiatura di recupero di metalli preziosi, quali platino, rodio, oro, argento, ecc., da cemento contaminato |
EP4039836A1 (en) * | 2021-02-09 | 2022-08-10 | Mercurio S.r.l. | Apparatus and method for recovering precious metals, such as platinum, rhodium, gold, silver, etc., from contaminated cement |
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