·A novel method for recovering valuable metals from spent lithium ion batteries inspired by the mineral characteristics of natural spodumene leaching experimental flow chart to ensure the alloying of transition group metals the selection of the optimal reducing atmosphere is a necessary condition in the smelting process The content of
Recovery of metals and valuable chemicals from waste electric and electronic materials a critical review of existing technologies Fig 4 provides a flow chart of this process Download Download high res image 113KB Download The Umicore facility can produce 30 000 2 400 100 and 50 t per year of Cu Ag Au and Pt group metals
·In this process e wastes are mixed with spent catalytic converters and fluxes to extract PGMs from catalytic converters This mixture afterward is smelted to collect precious metals Pt Pd Rh Au and Ag and valuable metals Se Te Sb etc in major collectors Hagelüken 2006 The application process is quite similar to that of metal
·The growing development of technology has increased the amount of waste generated by electrical and electronic equipment WEEE every year WEEE contains valuable metals and hazardous materials
·The Platinum Group Metals PGMs are of substantial technological prominence They are also extremely rare because of their low natural existence and their complicated extraction and refining process To meet the future demand
4 ·Score /5 48 votes 1 RHODIUM TOP MOST VALUABLE is the most valuable metal and exists within the platinum group of metals
Typical LIBs are composed of components such as an aluminum casing cathode anode electrolyte separator and binder as shown in Fig 2 b The active metal materials in the cathode can be categorized into three main types based on their morphological characteristics layered oxides lithium cobalt oxide LiCoO 2 LCO and ternary materials LiNi x Co y Mn 1−x−y O 2
·Red mud RM is a bulk solid waste with strong alkalinity discharged during the alumina extraction process which is also regarded as a polymetallic resource for recycling valuable metals and preparing new materials Huang et al 2016 Generally each ton of alumina produced can generate to tons of RM Li et al 2021a Li et al 2021b
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