PL423021A1 - Method for recovery of rare earth metals from volatile ashes - Google Patents

Method for recovery of rare earth metals from volatile ashes

Info

Publication number
PL423021A1
PL423021A1 PL423021A PL42302117A PL423021A1 PL 423021 A1 PL423021 A1 PL 423021A1 PL 423021 A PL423021 A PL 423021A PL 42302117 A PL42302117 A PL 42302117A PL 423021 A1 PL423021 A1 PL 423021A1
Authority
PL
Poland
Prior art keywords
recovery
rare earth
less
earth metals
ash
Prior art date
Application number
PL423021A
Other languages
Polish (pl)
Other versions
PL232035B1 (en
Inventor
Barbara Białecka
Henryk Świnder
Andrzej Jarosiński
Sylwester Żelazny
Original Assignee
Główny Instytut Górnictwa
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 Główny Instytut Górnictwa filed Critical Główny Instytut Górnictwa
Priority to PL423021A priority Critical patent/PL232035B1/en
Publication of PL423021A1 publication Critical patent/PL423021A1/en
Publication of PL232035B1 publication Critical patent/PL232035B1/en

Links

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

  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Przedmiotem zgłoszenia jest sposób odzysku metali ziem rzadkich metodą alkaliczną z popiołów lotnych z energetycznego wykorzystania paliw kopalnych, polegający na tym, że do popiołu dodawany jest roztwór wodny wodorotlenku sodu, w stosunku wagowym NaOH do popiołu nie mniej niż 10%, a następnie mieszanina ogrzewana jest w temperaturze nie mniejszej niż 100°C przez okres nie krótszy niż 1 godzina. Do odmywania i otrzymania roztworu zawierającego metale ziem rzadkich (REE) stosuje się silne kwasy nieorganiczne lub ich mieszaniny.The subject of the notification is a method for the recovery of rare earths by an alkaline method from fly ash from the energetic use of fossil fuels, consisting in the fact that an aqueous solution of sodium hydroxide is added to the ash, in a weight ratio of NaOH to ash not less than 10%, and then the mixture is heated at a temperature of not less than 100 ° C for a period of not less than 1 hour. Strong inorganic acids or mixtures thereof are used to wash and obtain the rare earth (REE) solution.

PL423021A 2017-10-02 2017-10-02 Method for recovery of rare earth metals from volatile ashes PL232035B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL423021A PL232035B1 (en) 2017-10-02 2017-10-02 Method for recovery of rare earth metals from volatile ashes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL423021A PL232035B1 (en) 2017-10-02 2017-10-02 Method for recovery of rare earth metals from volatile ashes

Publications (2)

Publication Number Publication Date
PL423021A1 true PL423021A1 (en) 2018-06-04
PL232035B1 PL232035B1 (en) 2019-05-31

Family

ID=62223422

Family Applications (1)

Application Number Title Priority Date Filing Date
PL423021A PL232035B1 (en) 2017-10-02 2017-10-02 Method for recovery of rare earth metals from volatile ashes

Country Status (1)

Country Link
PL (1) PL232035B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024163813A2 (en) * 2023-02-01 2024-08-08 US Metals Refining Group, Inc. Selective separation of metals from mineral-rich concentrates

Also Published As

Publication number Publication date
PL232035B1 (en) 2019-05-31

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