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公开(公告)号：US10392678B2
公开(公告)日：2019-08-27
申请号：US15527241
申请日：2015-12-08
Applicant: ELKEM AS
Inventor： Havard Ingvald Moe
Abstract: A method for the energy efficient production of metals and alloys by carbothermic reduction of minerals and ores in electric reduction reactors is disclosed. The method includes conveying a wood containing material to at least one pyrolysis step for producing charcoal; conveying the produced charcoal, possibly other carbon-containing reduction materials and metal containing raw materials to the at least one reactor for producing metal or alloy; conveying off-gas from the at least one pyrolysis step and off-gas from the at least one reactor to at least one energy recovery step.
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