Dual Type Plasma Torch System and Methods for Recovery of Rare Earth Metals in Coal Ash

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The present invention comprises : a section to melt coal ash; a device to input fly ash or bottom ash; a mixed plasma torch; a metal outlet; a slag outlet; an exhaust outlet; an observation window; and an inclined shaft. The present invention does not only concentrate and recover noble metals in waste resources with high efficiency, but also remarkably improves economic efficiency and environmental friendly through complete treatment of noxious gases in the exhaust gas.COPYRIGHT KIPO 2017