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IT202200008912A1 - Process of sequential extraction and recovery of metals from waste electrical or electronic devices - Google Patents

Process of sequential extraction and recovery of metals from waste electrical or electronic devices Download PDF

Info

Publication number
IT202200008912A1
IT202200008912A1 IT102022000008912A IT202200008912A IT202200008912A1 IT 202200008912 A1 IT202200008912 A1 IT 202200008912A1 IT 102022000008912 A IT102022000008912 A IT 102022000008912A IT 202200008912 A IT202200008912 A IT 202200008912A IT 202200008912 A1 IT202200008912 A1 IT 202200008912A1
Authority
IT
Italy
Prior art keywords
metals
recovery
electronic devices
sequential extraction
waste electrical
Prior art date
Application number
IT102022000008912A
Other languages
Italian (it)
Inventor
Pietro Bozzi
Original Assignee
Pietro Bozzi
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 Pietro Bozzi filed Critical Pietro Bozzi
Priority to IT102022000008912A priority Critical patent/IT202200008912A1/en
Publication of IT202200008912A1 publication Critical patent/IT202200008912A1/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
    • C22B13/00—Obtaining lead
    • C22B13/04—Obtaining lead by wet processes
    • C22B13/045—Recovery from waste materials
    • 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
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0065—Leaching or slurrying
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0407—Leaching 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
    • 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
    • C22B25/00—Obtaining tin
    • C22B25/06—Obtaining tin from scrap, especially tin 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
    • 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
    • C22B3/20—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
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
IT102022000008912A 2022-05-03 2022-05-03 Process of sequential extraction and recovery of metals from waste electrical or electronic devices IT202200008912A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT102022000008912A IT202200008912A1 (en) 2022-05-03 2022-05-03 Process of sequential extraction and recovery of metals from waste electrical or electronic devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000008912A IT202200008912A1 (en) 2022-05-03 2022-05-03 Process of sequential extraction and recovery of metals from waste electrical or electronic devices

Publications (1)

Publication Number Publication Date
IT202200008912A1 true IT202200008912A1 (en) 2023-11-03

Family

ID=82608225

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102022000008912A IT202200008912A1 (en) 2022-05-03 2022-05-03 Process of sequential extraction and recovery of metals from waste electrical or electronic devices

Country Status (1)

Country Link
IT (1) IT202200008912A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015052658A1 (en) 2013-10-07 2015-04-16 Agenzia Nazionale Per Le Nuove Tecnologie, L'energia E Lo Sviluppo Economico Sostenibile (Enea) Hydrometallurgy process for the recovery of materials from electronic boards
WO2019180642A1 (en) * 2018-03-20 2019-09-26 Uniwersytet Warszawski Method for the selective recovery of tin and a reactor for use in said method
WO2019229632A1 (en) 2018-05-29 2019-12-05 Università Degli Studi Dell'aquila Hydrometallurgical method for the recovery of base metals and precious metals from a waste material
WO2020044365A1 (en) 2018-08-28 2020-03-05 Indian Institute Of Technology Madras Sequential extraction of metals from printed circuit boards by hydrometallurgical route using the same acid
US20200362435A1 (en) * 2019-05-17 2020-11-19 Cobre Las Cruces, S.A.U. Method of extracting metals from polymetallic sulphide ores or concentrates

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015052658A1 (en) 2013-10-07 2015-04-16 Agenzia Nazionale Per Le Nuove Tecnologie, L'energia E Lo Sviluppo Economico Sostenibile (Enea) Hydrometallurgy process for the recovery of materials from electronic boards
RS58557B1 (en) * 2013-10-07 2019-05-31 Agenzia Nazionale Per Le Nuove Tecnologie Lenergia E Lo Sviluppo Economico Sostenibile Enea Hydrometallurgy process for the recovery of materials from electronic boards
WO2019180642A1 (en) * 2018-03-20 2019-09-26 Uniwersytet Warszawski Method for the selective recovery of tin and a reactor for use in said method
WO2019229632A1 (en) 2018-05-29 2019-12-05 Università Degli Studi Dell'aquila Hydrometallurgical method for the recovery of base metals and precious metals from a waste material
WO2020044365A1 (en) 2018-08-28 2020-03-05 Indian Institute Of Technology Madras Sequential extraction of metals from printed circuit boards by hydrometallurgical route using the same acid
US20200362435A1 (en) * 2019-05-17 2020-11-19 Cobre Las Cruces, S.A.U. Method of extracting metals from polymetallic sulphide ores or concentrates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANDREA MECUCCI AND KEITH SCOTT: "Leaching and electrochemical recovery of copper, lead and tin from scrap printed circuit boards", JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, WILEY, HOBOKEN, USA, vol. 77, no. 4, 1 April 2002 (2002-04-01), pages 449 - 457, XP001577446, ISSN: 0268-2575, [retrieved on 20020208], DOI: 10.1002/JCTB.575 *

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