专利检索 ap:("NIPPON STEEL CORP") AND inv:"KANEMORI NOBUYUKI" 第 1 页

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发明公开
METHOD FOR REDUCTION TREATMENT OF METAL OXIDE OR IRONMAKING WASTE, AND METHOD FOR CONCENTRATION AND/OR RECOVERY OF ZINC AND/OR LEAD 有权
标题翻译：方法以进行还原处理VONMETALLOXID或铁生产废料和方法AUFKONZENTRIERENUND /或锌的WIN和/或铅

公开(公告)号：EP1561829A4

公开(公告)日：2007-12-26

申请号：EP03795407

申请日：2003-09-11

申请人： NIPPON STEEL CORP

发明人： ICHIKAWA HIROSHI , IBARAKI TETSUHARU , IMURA SHOJI , ODA HIROSHI , ABE YOICHI , TAKAHASHI SHIGEKI , KANEMORI NOBUYUKI , SUZUKI SATOSHI

IPC分类号： C21B13/00 , C21B13/10 , C22B1/245 , C22B5/02 , C22B5/10 , C22B7/02 , C22B13/02 , C22B19/30 , C22B19/34 , C22B1/16 , B09B3/00 , C02F11/00 , C22B1/00

CPC分类号： C21B13/105 , C21B13/006 , C22B1/245 , C22B5/02 , C22B5/10 , C22B7/02 , C22B13/025 , C22B19/30 , C22B19/34 , Y02P10/136 , Y02P10/214 , Y02P10/216 , Y10S75/961

摘要： A method of reduction treatment of metal oxides characterized by using as a material a powder containing metal oxides and containing alkali metals and halogen elements and further, in accordance with need, carbon, mixing said material with water to produce a slurry, then dehydrating this and charging the dehydrated material, mixed with another material in accordance with need, into a rotary hearth type reduction furnace for reduction.