SG11202002724QA - A process for recovering metal from electronic waste - Google Patents

A process for recovering metal from electronic waste

Info

Publication number
SG11202002724QA
SG11202002724QA SG11202002724QA SG11202002724QA SG11202002724QA SG 11202002724Q A SG11202002724Q A SG 11202002724QA SG 11202002724Q A SG11202002724Q A SG 11202002724QA SG 11202002724Q A SG11202002724Q A SG 11202002724QA SG 11202002724Q A SG11202002724Q A SG 11202002724QA
Authority
SG
Singapore
Prior art keywords
electronic waste
recovering metal
recovering
metal
waste
Prior art date
Application number
SG11202002724QA
Inventor
Oliver Crush
Reece Whitby
Ryan Smith
Original Assignee
Mint Innovation Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mint Innovation Ltd filed Critical Mint Innovation Ltd
Publication of SG11202002724QA publication Critical patent/SG11202002724QA/en

Links

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
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/005—Preliminary treatment of scrap
    • 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
    • C22B11/00—Obtaining noble metals
    • C22B11/06—Chloridising
    • 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
    • C22B11/08—Obtaining noble metals by cyaniding
    • 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
    • C22B3/02—Apparatus therefor
    • 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
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/065—Nitric acids or salts thereof
    • 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
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • 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
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/10—Hydrochloric acid, other halogenated acids or salts thereof
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/33—Cyanic acids, derivatives thereof
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/34—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing sulfur, e.g. sulfonium
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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
    • C22B7/007—Wet processes by acid leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/4868—Cells, spores, bacteria
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/10—Destroying solid waste or transforming solid waste into something useful or harmless involving an adsorption step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
    • 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
SG11202002724QA 2017-10-17 2018-10-17 A process for recovering metal from electronic waste SG11202002724QA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ73648917 2017-10-17
NZ73790817 2017-11-30
PCT/NZ2018/050144 WO2019078735A1 (en) 2017-10-17 2018-10-17 A process for recovering metal from electronic waste

Publications (1)

Publication Number Publication Date
SG11202002724QA true SG11202002724QA (en) 2020-04-29

Family

ID=66174117

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202002724QA SG11202002724QA (en) 2017-10-17 2018-10-17 A process for recovering metal from electronic waste

Country Status (11)

Country Link
US (1) US11608544B2 (en)
EP (1) EP3824109A4 (en)
JP (1) JP2021501259A (en)
KR (1) KR102649787B1 (en)
CN (1) CN111315903A (en)
AU (1) AU2018351429A1 (en)
CA (1) CA3080619A1 (en)
NZ (1) NZ764235A (en)
SG (1) SG11202002724QA (en)
WO (1) WO2019078735A1 (en)
ZA (1) ZA202001750B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11202002724QA (en) * 2017-10-17 2020-04-29 Mint Innovation Ltd A process for recovering metal from electronic waste
WO2021094823A1 (en) * 2019-11-12 2021-05-20 Enviroleach Technologies Inc. Processes for recovering iodine from aqueous leaching product streams containing gold
US20240002971A1 (en) * 2020-08-29 2024-01-04 Arizona Board of Arizona on Behalf of the University of Arizona Direct leaching from sulfidic refractory ores or concentrates
US20240123480A1 (en) * 2021-02-18 2024-04-18 Integrated Recycling Technologies Corporation Chemical liberation of waste printed circuit boards
CN113042508B (en) * 2021-03-31 2022-06-10 郑州科技学院 Electronic technology product processing and recycling device
CN113304868B (en) * 2021-04-22 2024-02-13 浙江省遂昌金矿有限公司 Integrated technology for washing, dehydrating and reducing cyanide of gold mine cyanide tailings
FR3125731A1 (en) * 2021-07-30 2023-02-03 Paris Sciences Et Lettres LED RECYCLING PROCESS
WO2023087114A1 (en) * 2021-11-22 2023-05-25 Pyrocycle Inc. A process for recovering a metallic fraction from electronic waste and producing value-added products
CN114293018A (en) * 2022-01-12 2022-04-08 长春黄金研究院有限公司 Method for recovering various rare and noble metals from waste circuit board
JP2023183841A (en) * 2022-06-16 2023-12-28 三菱マテリアル株式会社 Manufacturing method of noble metal
JP2024010918A (en) * 2022-07-13 2024-01-25 Ｄｏｗａエコシステム株式会社 Recovery method of valuables from lithium ion secondary battery

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US4293333A (en) 1980-02-12 1981-10-06 Engelhard Minerals & Chemicals Corporation Microbiological recovery of metals
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US4992179A (en) 1984-10-17 1991-02-12 Vistatech Partnership, Ltd. Metal recovery
US4769223A (en) * 1987-04-22 1988-09-06 Bohumil Volesky Biosorbent for gold
US5152969A (en) 1989-11-27 1992-10-06 Geobiotics, Inc. Processes to recover and reconcentrate gold from its ores with microorganisms
BR9007089A (en) 1989-11-27 1991-11-26 Geobiotics Inc PROCESSES TO RECOVER AND RECONCENTRATE GOLD FROM ITS ORES
PT101436B (en) 1993-12-31 1996-11-29 Iskay Servicios Metalurgicos S PROCESS OF BIOLIXIVIACAO DE MINERIOS CONTAINING COPPER SULFURETES BY INDIRECT CONTACT WITH FERRIC SULPHATE SOLUTIONS AND "THIOBACILLUS FERROOXIDANS" SUPPORTED, WITH SEPARATION OF EFFECTS.
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US11591669B2 (en) * 2016-10-31 2023-02-28 Mint Innovation Limited Metal recovery process
AU2017354754B2 (en) * 2016-11-03 2023-04-20 Mint Innovation Limited Process for recovering metal
SG11202002724QA (en) * 2017-10-17 2020-04-29 Mint Innovation Ltd A process for recovering metal from electronic waste

Also Published As

Publication number Publication date
EP3824109A1 (en) 2021-05-26
US11608544B2 (en) 2023-03-21
CA3080619A1 (en) 2019-04-25
KR102649787B1 (en) 2024-03-21
CN111315903A (en) 2020-06-19
KR20200096905A (en) 2020-08-14
NZ764235A (en) 2023-12-22
JP2021501259A (en) 2021-01-14
AU2018351429A1 (en) 2020-05-28
US20200263275A1 (en) 2020-08-20
WO2019078735A1 (en) 2019-04-25
EP3824109A4 (en) 2022-08-17
ZA202001750B (en) 2023-09-27

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