CN107119194B - 一种废旧电路板贵金属的高效生物浸出方法与装置 - Google Patents
一种废旧电路板贵金属的高效生物浸出方法与装置 Download PDFInfo
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- CN107119194B CN107119194B CN201710175581.6A CN201710175581A CN107119194B CN 107119194 B CN107119194 B CN 107119194B CN 201710175581 A CN201710175581 A CN 201710175581A CN 107119194 B CN107119194 B CN 107119194B
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- culture
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- noble metal
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- 238000002386 leaching Methods 0.000 title claims abstract description 87
- 229910000510 noble metal Inorganic materials 0.000 title claims abstract description 59
- 239000002699 waste material Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 13
- 230000003698 anagen phase Effects 0.000 claims abstract description 5
- 239000010970 precious metal Substances 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 42
- 241000894006 Bacteria Species 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 17
- 239000007800 oxidant agent Substances 0.000 claims description 16
- 230000001590 oxidative effect Effects 0.000 claims description 15
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 241000588879 Chromobacterium violaceum Species 0.000 claims description 8
- 239000001963 growth medium Substances 0.000 claims description 8
- 239000004471 Glycine Substances 0.000 claims description 7
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 7
- 239000002609 medium Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000012549 training Methods 0.000 claims description 5
- 241000589517 Pseudomonas aeruginosa Species 0.000 claims description 4
- 241001646398 Pseudomonas chlororaphis Species 0.000 claims description 4
- 241000589540 Pseudomonas fluorescens Species 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000011534 incubation Methods 0.000 claims description 2
- 239000002207 metabolite Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 230000004060 metabolic process Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 43
- 239000007788 liquid Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 15
- 230000009102 absorption Effects 0.000 description 14
- 230000012010 growth Effects 0.000 description 11
- 230000001580 bacterial effect Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000007062 hydrolysis Effects 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003760 magnetic stirring Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229930000044 secondary metabolite Natural products 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000001888 Peptone Substances 0.000 description 2
- 108010080698 Peptones Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
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- 229940041514 candida albicans extract Drugs 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
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- 230000007812 deficiency Effects 0.000 description 2
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- 239000012153 distilled water Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012533 medium component Substances 0.000 description 2
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- 235000015097 nutrients Nutrition 0.000 description 2
- 235000019319 peptone Nutrition 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000012138 yeast extract Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 241001052560 Thallis Species 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 230000018109 developmental process Effects 0.000 description 1
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- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009103 reabsorption Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
- C22B11/042—Recovery of noble metals from waste materials
- C22B11/046—Recovery of noble metals from waste materials from manufactured products, e.g. from printed circuit boards, from photographic films, paper or baths
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/18—Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
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CN201710175581.6A CN107119194B (zh) | 2017-03-22 | 2017-03-22 | 一种废旧电路板贵金属的高效生物浸出方法与装置 |
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CN201710175581.6A CN107119194B (zh) | 2017-03-22 | 2017-03-22 | 一种废旧电路板贵金属的高效生物浸出方法与装置 |
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CN107119194A CN107119194A (zh) | 2017-09-01 |
CN107119194B true CN107119194B (zh) | 2018-11-20 |
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CN201710175581.6A Active CN107119194B (zh) | 2017-03-22 | 2017-03-22 | 一种废旧电路板贵金属的高效生物浸出方法与装置 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107746959B (zh) * | 2017-11-17 | 2019-01-11 | 中山大学 | 一种全值回收废旧线路板中有价金属的两步生物浸出方法和装置 |
CN107739836B (zh) * | 2017-11-29 | 2023-09-05 | 洛阳理工学院 | 一种非接触式连续生物淋滤赤泥的装置及方法 |
CN108396148A (zh) * | 2018-03-19 | 2018-08-14 | 成都理工大学 | 一种利用不同微生物分步浸出废弃线路板中铜和金的方法 |
CN113652351A (zh) * | 2021-07-28 | 2021-11-16 | 中山大学 | 一种外加电场强化复合微生物产氰能力的方法及装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3630671A (en) * | 1969-08-01 | 1971-12-28 | Union Oil Co | Oxidation of hydrogen cyanide to cyanogen in a liquid medium utilizing a group viii noble metal catalyst in complex association with a biphyllic ligand |
CN101660048B (zh) * | 2009-09-24 | 2011-04-13 | 无锡市霄鹰环境科技有限公司 | 一种贵金属废弃物或液回收利用多级处理工艺 |
JP2014051737A (ja) * | 2012-08-09 | 2014-03-20 | Nisso Kinzoku Kagaku Kk | 貴金属の回収方法 |
CN103320619B (zh) * | 2013-06-27 | 2015-05-20 | 扬州大学 | 破碎废弃电路板金属混合颗粒贵金属生物浸出方法及装置 |
CN103320618B (zh) * | 2013-06-27 | 2015-05-20 | 扬州大学 | 联合物理分离和生物浸出的废弃电路板贵金属回收方法 |
CN103397197B (zh) * | 2013-07-26 | 2014-10-08 | 孙光潮 | 一种从含金氰化贵液中提取金的方法 |
CN106011484B (zh) * | 2016-07-08 | 2018-09-14 | 扬州大学 | 一种基于产氰生物膜反应器的废弃电路板贵金属回收装置 |
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Application publication date: 20170901 Assignee: TIANJIN YIMING ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Assignor: SUN YAT-SEN University Contract record no.: X2023980053517 Denomination of invention: An Efficient Bioleaching Method and Device for Precious Metals in Waste Circuit Boards Granted publication date: 20181120 License type: Common License Record date: 20231221 |
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Application publication date: 20170901 Assignee: QINGYUAN JINYUN RENEWABLE RESOURCES Co.,Ltd. Assignor: SUN YAT-SEN University Contract record no.: X2023980053961 Denomination of invention: An Efficient Bioleaching Method and Device for Precious Metals in Waste Circuit Boards Granted publication date: 20181120 License type: Common License Record date: 20231225 |