Nothing Special   »   [go: up one dir, main page]

Bian et al., 2016 - Google Patents

Recovery of rare earth elements from NdFeB magnet by VIM-HMS method

Bian et al., 2016

Document ID
10002676754374814862
Author
Bian Y
Guo S
Jiang L
Liu J
Tang K
Ding W
Publication year
Publication venue
ACS Sustainable Chemistry & Engineering

External Links

Snippet

A novel method to recover rare earth elements (REEs) from NdFeB magnets was developed. This method involves three basic steps, ie, the vacuum induction melting (VIM) process, the hydrolysis process and the magnetic separation process (HMS). In the VIM process, the …
Continue reading at pubs.acs.org (other versions)

Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage
    • Y02E60/12—Battery technology
    • 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
    • C22B7/04—Working-up slag
    • 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
    • C22B5/00—General methods of reducing to metals

Similar Documents

Publication Publication Date Title
Bian et al. Recovery of rare earth elements from NdFeB magnet by VIM-HMS method
Kumari et al. Recovery of rare earths from spent NdFeB magnets of wind turbine: Leaching and kinetic aspects
Hua et al. Selective extraction of rare earth elements from NdFeB scrap by molten chlorides
Yang et al. REE recovery from end-of-life NdFeB permanent magnet scrap: a critical review
Akcil et al. Hydrometallurgical recycling strategies for recovery of rare earth elements from consumer electronic scraps: a review
Maroufi et al. Recovery of rare earth (ie, La, Ce, Nd, and Pr) oxides from end-of-life Ni-MH battery via thermal isolation
Behera et al. Leaching kinetics study of neodymium from the scrap magnet using acetic acid
Maroufi et al. Thermal isolation of rare earth oxides from Nd–Fe–B magnets using carbon from waste tyres
Liu et al. Efficient recovery of rare earth elements from discarded NdFeB magnets
Habibzadeh et al. Review on the parameters of recycling NdFeB magnets via a hydrogenation process
Liu et al. Recovery and separation of rare earths and boron from spent Nd-Fe-B magnets
Tian et al. Recovering REEs from NdFeB wastes with high purity and efficiency by leaching and selective precipitation process with modified agents
Mochizuki et al. Selective recovery of rare earth elements from Dy containing NdFeB magnets by chlorination
Prodius et al. Sustainable urban mining of critical elements from magnet and electronic wastes
Xie et al. An effective process for the recovery of valuable metals from cathode material of lithium-ion batteries by mechanochemical reduction
Yin et al. An efficient process for recycling Nd–Fe–B sludge as high-performance sintered magnets
Liu et al. Comparison of different leaching media and their effect on REEs recovery from spent Nd-Fe-B magnets
CN110055433B (en) Method for extracting and recycling rare earth elements in neodymium iron boron waste material by using liquid metal bismuth
Yin et al. Recycled Nd-Fe-B sintered magnets prepared from sludges by calcium reduction-diffusion process
Kołodyńska et al. Rare Earth Elements—Separation Methods Yesterday and Today
Xiao et al. Technologies of recycling REES and iron from NdFeB scrap
Ormerod et al. Sourcing, Refining and Recycling of Rare-Earth Magnets
Rasheed et al. Review of the liquid metal extraction process for the recovery of Nd and Dy from permanent magnets
Eldosouky et al. Recycling of SmCo5 magnets by HD process
Mao et al. Efficient recovery of rare earth elements from discarded NdFeB magnets by mechanical activation coupled with acid leaching