发明公开
EP1561829A1 METHOD FOR REDUCTION TREATMENT OF METAL OXIDE OR IRONMAKING WASTE, AND METHOD FOR CONCENTRATION AND/OR RECOVERY OF ZINC AND/OR LEAD
有权
一种用于还原处理金属氧化物或铁的生产废料和方法的用于浓缩和/或回收锌和/或铅的过程。
- 专利标题： METHOD FOR REDUCTION TREATMENT OF METAL OXIDE OR IRONMAKING WASTE, AND METHOD FOR CONCENTRATION AND/OR RECOVERY OF ZINC AND/OR LEAD
- 专利标题（中）： 一种用于还原处理金属氧化物或铁的生产废料和方法的用于浓缩和/或回收锌和/或铅的过程。
-
申请号： EP03795407.0申请日： 2003-09-11
-
公开(公告)号： EP1561829A1公开(公告)日： 2005-08-10
- 发明人: ICHIKAWA, Hiroshi, Nippon Steel Corporation , IBARAKI, Tetsuharu , IMURA, Shoji , ODA, Hiroshi , ABE, Yoichi, Nippon Steel Corporation , TAKAHASHI, Shigeki, Nippon Steel Corporation , KANEMORI, Nobuyuki, Nippon Steel Corporation , SUZUKI, Satoshi, Nippon Steel Corporation
- 申请人： NIPPON STEEL CORPORATION
- 申请人地址： 6-3, Otemachi 2-chome Chiyoda-ku Tokyo 100-8071 JP
- 专利权人： NIPPON STEEL CORPORATION
- 当前专利权人： NIPPON STEEL CORPORATION
- 当前专利权人地址： 6-3, Otemachi 2-chome Chiyoda-ku Tokyo 100-8071 JP
- 代理机构： VOSSIUS & PARTNER
- 优先权： JP2002268414 20020913; JP2003014268 20030123; JP2003107420 20030411
- 国际公布： WO2004024961 20040325
- 主分类号： C22B1/16
- IPC分类号： C22B1/16 ; C22B1/00 ; C22B7/02 ; C22B19/30 ; C22B19/34 ; C22B13/02 ; B09B3/00 ; C02F11/00
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.
公开/授权文献
信息查询
