CN105274337A - 废旧电路板回收贵金属的方法 - Google Patents
废旧电路板回收贵金属的方法 Download PDFInfo
- Publication number
- CN105274337A CN105274337A CN201410519000.2A CN201410519000A CN105274337A CN 105274337 A CN105274337 A CN 105274337A CN 201410519000 A CN201410519000 A CN 201410519000A CN 105274337 A CN105274337 A CN 105274337A
- Authority
- CN
- China
- Prior art keywords
- precious metal
- silver
- temperature
- waste
- circuit board
- 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.)
- Granted
Links
- 239000010970 precious metal Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002699 waste material Substances 0.000 title claims abstract description 26
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000011084 recovery Methods 0.000 claims abstract description 35
- 229910052709 silver Inorganic materials 0.000 claims abstract description 29
- 239000004332 silver Substances 0.000 claims abstract description 28
- 229910052737 gold Inorganic materials 0.000 claims abstract description 27
- 239000010931 gold Substances 0.000 claims abstract description 27
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 27
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 26
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims abstract description 15
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000002829 reductive effect Effects 0.000 claims abstract description 11
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims abstract description 5
- 238000002386 leaching Methods 0.000 claims abstract description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 32
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 14
- 239000011591 potassium Substances 0.000 claims description 14
- 229910052700 potassium Inorganic materials 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 239000006166 lysate Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
- 108090000913 Nitrate Reductases Proteins 0.000 claims description 8
- 239000000460 chlorine Substances 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 8
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- -1 silver ions Chemical class 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 6
- 229910000906 Bronze Inorganic materials 0.000 claims description 5
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 239000010974 bronze Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 5
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 4
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 claims description 4
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 4
- 239000001110 calcium chloride Substances 0.000 claims description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 4
- 235000010289 potassium nitrite Nutrition 0.000 claims description 4
- 239000004304 potassium nitrite Substances 0.000 claims description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 4
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 3
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 3
- 235000010288 sodium nitrite Nutrition 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004155 Chlorine dioxide Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- CAMXVZOXBADHNJ-UHFFFAOYSA-N ammonium nitrite Chemical compound [NH4+].[O-]N=O CAMXVZOXBADHNJ-UHFFFAOYSA-N 0.000 claims description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 claims description 2
- 229940005991 chloric acid Drugs 0.000 claims description 2
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 claims description 2
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical compound [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000012279 sodium borohydride Substances 0.000 claims description 2
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 3
- 239000011135 tin Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910000923 precious metal alloy Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- 241000500881 Lepisma Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010793 electronic waste Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
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CN201410519000.2A CN105274337B (zh) | 2014-10-06 | 2014-10-06 | 废旧电路板回收贵金属的方法 |
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CN201410519000.2A CN105274337B (zh) | 2014-10-06 | 2014-10-06 | 废旧电路板回收贵金属的方法 |
Publications (2)
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CN105274337A true CN105274337A (zh) | 2016-01-27 |
CN105274337B CN105274337B (zh) | 2017-11-03 |
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CN201410519000.2A Expired - Fee Related CN105274337B (zh) | 2014-10-06 | 2014-10-06 | 废旧电路板回收贵金属的方法 |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106702166A (zh) * | 2017-02-06 | 2017-05-24 | 温州中希电工合金有限公司 | 一种回收高含油淤泥中银的方法 |
CN109536726A (zh) * | 2019-01-14 | 2019-03-29 | 北京科技大学 | 一种含银废催化剂的回收方法 |
CN111139360A (zh) * | 2020-01-17 | 2020-05-12 | 广东华越环保科技有限公司 | 一种废旧手机线路板中的ic芯片和元器件中金属的回收方法 |
CN111154979A (zh) * | 2020-01-17 | 2020-05-15 | 广东华越环保科技有限公司 | 一种废旧手机线路板中的ic芯片和元器件中金钯无氰回收工艺 |
CN111172398A (zh) * | 2020-01-17 | 2020-05-19 | 广东华越环保科技有限公司 | 一种废旧手机线路板中金属的湿法无害化提取工艺 |
CN112795953A (zh) * | 2020-12-28 | 2021-05-14 | 格林美(江苏)钴业股份有限公司 | 一种副产品可循环利用的电钴生产方法 |
CN113151678A (zh) * | 2021-04-06 | 2021-07-23 | 贵溪华晋铜业有限公司 | 一种从含有贵金属的原料中回收贵金属方法 |
CN113215412A (zh) * | 2021-05-10 | 2021-08-06 | 上海第二工业大学 | 一种选择性浸出回收废弃镀银件或含银固体废物表面银的方法 |
CN113249589A (zh) * | 2021-04-25 | 2021-08-13 | 郴州百一环保高新材料有限公司 | 一种基于电解处理的可提高提取率的稀贵金属回收方法 |
CN114134337A (zh) * | 2021-12-03 | 2022-03-04 | 北京工业大学 | 一种低成本高效的线路板元器件中贵金属回收方法 |
CN114555840A (zh) * | 2019-11-18 | 2022-05-27 | 贺利氏德国有限两合公司 | 用于回收贵金属的方法 |
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RU2066698C1 (ru) * | 1993-06-22 | 1996-09-20 | Всероссийский научно-исследовательский институт химической технологии | Способ извлечения золота и серебра из отходов электронной и электротехнической промышленности |
CN101787547A (zh) * | 2010-02-09 | 2010-07-28 | 中南大学 | 一种从废印刷电路板中回收有价金属的方法 |
CN101831553A (zh) * | 2010-05-28 | 2010-09-15 | 北京科技大学 | 无氰全湿成套工艺绿色回收废旧电路板的方法 |
CN101942568A (zh) * | 2010-10-28 | 2011-01-12 | 佛山市邦普镍钴技术有限公司 | 一种从废旧计算机及其配件中回收贵金属的方法 |
CN102277497A (zh) * | 2011-08-05 | 2011-12-14 | 武汉格林美资源循环有限公司 | 一种从废旧电路板中回收金、钯、铂、银的方法 |
CN103667707A (zh) * | 2013-12-04 | 2014-03-26 | 江苏融源再生资源科技有限公司 | 废旧电路板中回收金银的方法 |
-
2014
- 2014-10-06 CN CN201410519000.2A patent/CN105274337B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2066698C1 (ru) * | 1993-06-22 | 1996-09-20 | Всероссийский научно-исследовательский институт химической технологии | Способ извлечения золота и серебра из отходов электронной и электротехнической промышленности |
CN101787547A (zh) * | 2010-02-09 | 2010-07-28 | 中南大学 | 一种从废印刷电路板中回收有价金属的方法 |
CN101831553A (zh) * | 2010-05-28 | 2010-09-15 | 北京科技大学 | 无氰全湿成套工艺绿色回收废旧电路板的方法 |
CN101942568A (zh) * | 2010-10-28 | 2011-01-12 | 佛山市邦普镍钴技术有限公司 | 一种从废旧计算机及其配件中回收贵金属的方法 |
CN102277497A (zh) * | 2011-08-05 | 2011-12-14 | 武汉格林美资源循环有限公司 | 一种从废旧电路板中回收金、钯、铂、银的方法 |
CN103667707A (zh) * | 2013-12-04 | 2014-03-26 | 江苏融源再生资源科技有限公司 | 废旧电路板中回收金银的方法 |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106702166A (zh) * | 2017-02-06 | 2017-05-24 | 温州中希电工合金有限公司 | 一种回收高含油淤泥中银的方法 |
CN109536726A (zh) * | 2019-01-14 | 2019-03-29 | 北京科技大学 | 一种含银废催化剂的回收方法 |
CN114555840A (zh) * | 2019-11-18 | 2022-05-27 | 贺利氏德国有限两合公司 | 用于回收贵金属的方法 |
CN111139360B (zh) * | 2020-01-17 | 2021-10-26 | 广东华越环保科技有限公司 | 一种废旧手机线路板中的ic芯片和元器件中金属的回收方法 |
CN111172398A (zh) * | 2020-01-17 | 2020-05-19 | 广东华越环保科技有限公司 | 一种废旧手机线路板中金属的湿法无害化提取工艺 |
CN111154979A (zh) * | 2020-01-17 | 2020-05-15 | 广东华越环保科技有限公司 | 一种废旧手机线路板中的ic芯片和元器件中金钯无氰回收工艺 |
CN111139360A (zh) * | 2020-01-17 | 2020-05-12 | 广东华越环保科技有限公司 | 一种废旧手机线路板中的ic芯片和元器件中金属的回收方法 |
CN112795953A (zh) * | 2020-12-28 | 2021-05-14 | 格林美(江苏)钴业股份有限公司 | 一种副产品可循环利用的电钴生产方法 |
CN113151678A (zh) * | 2021-04-06 | 2021-07-23 | 贵溪华晋铜业有限公司 | 一种从含有贵金属的原料中回收贵金属方法 |
CN113249589A (zh) * | 2021-04-25 | 2021-08-13 | 郴州百一环保高新材料有限公司 | 一种基于电解处理的可提高提取率的稀贵金属回收方法 |
CN113215412A (zh) * | 2021-05-10 | 2021-08-06 | 上海第二工业大学 | 一种选择性浸出回收废弃镀银件或含银固体废物表面银的方法 |
CN113215412B (zh) * | 2021-05-10 | 2022-07-29 | 上海第二工业大学 | 一种选择性浸出回收废弃镀银件或含银固体废物表面银的方法 |
CN114134337A (zh) * | 2021-12-03 | 2022-03-04 | 北京工业大学 | 一种低成本高效的线路板元器件中贵金属回收方法 |
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