JP5497219B1 - 廃棄物中の有価金属回収方法 - Google Patents
廃棄物中の有価金属回収方法 Download PDFInfo
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 32
- 239000002184 metal Substances 0.000 title claims abstract description 32
- 150000002739 metals Chemical class 0.000 title claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 42
- 239000004568 cement Substances 0.000 claims abstract description 29
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 238000002386 leaching Methods 0.000 claims abstract description 14
- 238000010304 firing Methods 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 10
- 239000010802 sludge Substances 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000446 fuel Substances 0.000 claims abstract description 6
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- 239000003513 alkali Substances 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 claims description 14
- 229910052797 bismuth Inorganic materials 0.000 claims description 8
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 229910000510 noble metal Inorganic materials 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 65
- 229920002472 Starch Polymers 0.000 abstract description 18
- 235000019698 starch Nutrition 0.000 abstract description 18
- 239000008107 starch Substances 0.000 abstract description 18
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052791 calcium Inorganic materials 0.000 abstract description 14
- 239000011575 calcium Substances 0.000 abstract description 14
- 239000000567 combustion gas Substances 0.000 abstract description 2
- 239000000571 coke Substances 0.000 description 19
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 16
- 239000007788 liquid Substances 0.000 description 16
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 16
- 229910052753 mercury Inorganic materials 0.000 description 16
- 238000004140 cleaning Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000004065 wastewater treatment Methods 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 9
- 238000006477 desulfuration reaction Methods 0.000 description 8
- 230000023556 desulfurization Effects 0.000 description 8
- 230000008929 regeneration Effects 0.000 description 8
- 238000011069 regeneration method Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-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
- 239000010931 gold Substances 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000002956 ash Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000011133 lead Substances 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 150000002611 lead compounds Chemical class 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 239000003546 flue gas Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000007787 solid 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
- 239000002912 waste gas Substances 0.000 description 1
Images
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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
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- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
【解決手段】廃棄物を原料又は/及び燃料として使用するセメント焼成炉(エコセメントキルン2等)から排出された燃焼ガスの全量を冷却する冷却塔3と、冷却塔からの排ガスG1を処理する排ガス処理装置1と、排ガス処理装置で回収されたダストをセメント焼成炉に戻す経路とを有するセメント製造工程から、有価金属を含むダストを回収する。有価金属を含むダストを、冷却塔の排ガスに含まれるダストを回収する集塵装置5、6によって回収することができ、集塵装置から回収したダストを水洗し、酸浸出工程及びアルカリ浸出工程を経て回収したダスト(カルシウム澱物CA)とすることもできる。
【選択図】図1
Description
アルカリ浸出工程(ステップS3)では、苛性ソーダを添加しアルカリ性の状態とし、浸出残渣をカルシウム澱物CAとする一方、浸出液は亜鉛・鉛回収工程(ステップS5)へ供給される。
2 ロータリキルン
3 冷却塔
4 サイクロン
5 第1バグフィルタ
6 第2バグフィルタ
8 脱硫塔
9 脱硝塔
10 煙突
11 再生塔
12 排ガス洗浄工程
13 水銀回収工程
14 HMX処理工程
15 最終排水処理工程
16 分取装置
AC 活性コークス
CA カルシウム澱物
D1〜D3 ダスト
G1〜G7 排ガス
GT 酸性ガス処理剤
I 鉄澱物
ME 有価金属を含むダスト
NI 非鉄金属精錬原料
S 汚泥
W1〜W4 廃液
RM 調合原料
Claims (2)
- 都市ごみ焼却灰又は/及び汚泥を原料又は/及び燃料として使用するセメント焼成炉の燃焼排ガスの全量を冷却する冷却塔と、該冷却塔からの排ガスを処理する排ガス処理装置と、該排ガス処理装置で回収されたダストを前記セメント焼成炉に戻す経路とを有するセメント製造工程から有価金属を回収する方法であって、
前記冷却塔の排ガスに含まれるダストを回収し、
該回収したダストを水洗し、さらに酸浸出工程及びアルカリ浸出工程に供した後に該ダストを回収し、
該回収したダストの一部を貴金属又は/及びビスマスを含むダストとして回収し、他をセメント原料に戻して貴金属又は/及びビスマスを循環濃縮させることを特徴とする廃棄物中の有価金属回収方法。 - 前記セメント焼成炉は、エコセメントを焼成するエコセメントキルンであることを特徴とする請求項1に記載の廃棄物中の有価金属回収方法。
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JP2013046114A JP5497219B1 (ja) | 2013-03-08 | 2013-03-08 | 廃棄物中の有価金属回収方法 |
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JP2013046114A JP5497219B1 (ja) | 2013-03-08 | 2013-03-08 | 廃棄物中の有価金属回収方法 |
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JP2014019072A Division JP6075790B2 (ja) | 2014-02-04 | 2014-02-04 | 廃棄物中の有価金属回収方法 |
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JP5497219B1 true JP5497219B1 (ja) | 2014-05-21 |
JP2014173121A JP2014173121A (ja) | 2014-09-22 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104148360A (zh) * | 2014-07-03 | 2014-11-19 | 中航上大金属再生科技有限公司 | 一种稀贵金属车削料清洗工艺 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09210574A (ja) * | 1996-01-31 | 1997-08-12 | Dowa Mining Co Ltd | 排ガス中の媒塵の処理方法 |
JP2001316736A (ja) * | 2000-03-03 | 2001-11-16 | Nippon Mining & Metals Co Ltd | 銀の回収方法 |
JP2006347794A (ja) * | 2005-06-15 | 2006-12-28 | Taiheiyo Cement Corp | セメント製造工程からの重金属除去・回収方法 |
JP2007083144A (ja) * | 2005-09-21 | 2007-04-05 | Mitsubishi Heavy Ind Ltd | 灰処理方法及びシステム |
JP2007119830A (ja) * | 2005-10-27 | 2007-05-17 | Taiheiyo Cement Corp | 鉛回収装置及び方法 |
JP2008143728A (ja) * | 2006-12-07 | 2008-06-26 | Taiheiyo Cement Corp | セメント製造工程からの鉛回収方法及び回収装置 |
JP2008190019A (ja) * | 2007-02-07 | 2008-08-21 | Taiheiyo Cement Corp | セメント製造工程からの鉛回収方法及び回収装置 |
JP2012246546A (ja) * | 2011-05-30 | 2012-12-13 | Pan Pacific Copper Co Ltd | 金属の回収方法 |
JP2013173106A (ja) * | 2012-02-27 | 2013-09-05 | Taiheiyo Cement Corp | 排ガス中の水銀回収方法及び回収装置 |
-
2013
- 2013-03-08 JP JP2013046114A patent/JP5497219B1/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09210574A (ja) * | 1996-01-31 | 1997-08-12 | Dowa Mining Co Ltd | 排ガス中の媒塵の処理方法 |
JP2001316736A (ja) * | 2000-03-03 | 2001-11-16 | Nippon Mining & Metals Co Ltd | 銀の回収方法 |
JP2006347794A (ja) * | 2005-06-15 | 2006-12-28 | Taiheiyo Cement Corp | セメント製造工程からの重金属除去・回収方法 |
JP2007083144A (ja) * | 2005-09-21 | 2007-04-05 | Mitsubishi Heavy Ind Ltd | 灰処理方法及びシステム |
JP2007119830A (ja) * | 2005-10-27 | 2007-05-17 | Taiheiyo Cement Corp | 鉛回収装置及び方法 |
JP2008143728A (ja) * | 2006-12-07 | 2008-06-26 | Taiheiyo Cement Corp | セメント製造工程からの鉛回収方法及び回収装置 |
JP2008190019A (ja) * | 2007-02-07 | 2008-08-21 | Taiheiyo Cement Corp | セメント製造工程からの鉛回収方法及び回収装置 |
JP2012246546A (ja) * | 2011-05-30 | 2012-12-13 | Pan Pacific Copper Co Ltd | 金属の回収方法 |
JP2013173106A (ja) * | 2012-02-27 | 2013-09-05 | Taiheiyo Cement Corp | 排ガス中の水銀回収方法及び回収装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104148360A (zh) * | 2014-07-03 | 2014-11-19 | 中航上大金属再生科技有限公司 | 一种稀贵金属车削料清洗工艺 |
CN104148360B (zh) * | 2014-07-03 | 2015-12-30 | 中航上大高温合金材料有限公司 | 一种稀贵金属车削料清洗工艺 |
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