Title:
製鋼ダストに含まれる有価金属の回収方法
Document Type and Number:
Japanese Patent JP4093112
Kind Code:
B2
Abstract:
To provide a method for recovering valuable metals contained in dust in steelmaking, which uses oil-containing SiC sludge, presents no problem in terms of a working atmosphere, has a high recovery rate for the valuable metals, and further produces little slag in steelmaking.
This recovering method comprises charging a mixture of the dust in steelmaking and 5 to 25 wt.% oil-containing SiC sludge with respect to the total amount into a steel furnace, to dissolve and recover the valuable metals contained in the dust in steelmaking into the molten steel.
COPYRIGHT: (C)2005,JPO&NCIPI
Inventors:
Yoritada Komoda
Takashi Yamauchi
Nagatani Tetsuhiro
Takashi Yamauchi
Nagatani Tetsuhiro
Application Number:
JP2003150159A
Publication Date:
June 04, 2008
Filing Date:
May 28, 2003
Export Citation:
Assignee:
Daido Steel Co., Ltd.
International Classes:
B09B3/00; C02F11/06; C22B7/02; C21C1/02; C21C5/28; C21C5/52; C21C7/00
Domestic Patent References:
| JP10330822A | ||||
| JP2003027155A | ||||
| JP59059841A | ||||
| JP2000033351A | ||||
| JP2000309827A | ||||
| JP10167777A | ||||
| JP2002348120A | ||||
| JP2000063964A | ||||
| JP2000063965A | ||||
| JP54121215A | ||||
| JP55115918A | ||||
| JP60067611A | ||||
| JP2004169166A |
Attorney, Agent or Firm:
Hiromasa Iriyama