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    • 8. 发明申请
    • A PROCESS FOR THE REMOVAL OF METAL OR IMPURITIES FROM ELECTRIC ARC FURNACE DUST
    • 从电弧炉去除金属或污染物的方法
    • WO2014177931A3
    • 2015-03-12
    • PCT/IB2014001391
    • 2014-04-24
    • SAUDI BASIC INDUTRIES CORP
    • AWAN FAZAL-UR-REHMEN M
    • C22B7/02C22B1/00C22B13/02C22B19/30
    • C22B1/2406C22B7/001C22B7/02C22B13/025C22B19/20C22B19/30C22B19/34C22B26/10Y02P10/214
    • A method for preparing Electric Arc Furnace dust (EAFD) for metal recovery, comprising: a) mixing the EAFD comprising zinc oxide or lead oxide, or a mixture of both, with a liquid and a binder to produce an EAFD mixture; b) producing a shaped EAFD pellet; and c) drying the shaped EAFD pellet is disclosed. A method for recovering zinc from Electric Arc Furnace dust (EAFD), comprising: a) heating the EAFD comprising at least one metal comprising zinc in an inert gas atmosphere at a temperature ranging from 700 °C to 1100 °C; and b) evaporating the at least one metal comprising zinc from the EAFD and collecting the at least one metal is also disclosed. A method for recovering an impurity from Electric Arc Furnace dust (EAFD), comprising: a) heating the EAFD comprising an impurity in an inert gas atmosphere at a temperature ranging from 700 °C to 1100 °C; and b) evaporating the impurity from the EAFD and collecting the impurity is also disclosed. A method for recovering iron oxide from Electric Arc Furnace dust (EAFD), comprising: a) heating the EAFD comprising iron oxide and at least one metal in an inert gas atmosphere at a temperature ranging from 700 °C to 1100 °C; and b) separating the iron oxide by evaporating the at least one metal from the EAFD and leaving the iron oxide as a residue is also disclosed.
    • 一种用于制备用于金属回收的电弧炉灰尘(EAFD)的方法,包括:a)将包含氧化锌或氧化铅或两者的混合物的EAFD与液体和粘合剂混合以产生EAFD混合物; b)生产成形EAFD颗粒; 和c)干燥形状的EAFD颗粒被公开。 一种从电弧炉灰尘(EAFD)中回收锌的方法,包括:a)在惰性气体气氛中,在700℃至1100℃的温度范围内,加热含有至少一种锌的EAFD; 以及b)还公开了从EAFD中蒸发包含锌的至少一种金属并收集至少一种金属。 一种从电弧炉尘埃(EAFD)中回收杂质的方法,包括:a)在惰性气体气氛中,在700℃至1100℃的温度范围内加热包含杂质的EAFD; 并且还公开了从EAFD中蒸发杂质并收集杂质。 一种从电弧炉尘埃(EAFD)回收氧化铁的方法,包括:a)在惰性气体气氛中,在700℃至1100℃的温度范围内加热含有氧化铁和至少一种金属的EAFD; 和b)还公开了从EAFD中蒸发出至少一种金属并留下作为残留物的氧化铁来分离氧化铁。