Title:
V、Mo及びNiの少なくとも一つを含有する含有物の焙焼方法及び焙焼用ロータリーキルン
Document Type and Number:
Japanese Patent JP4587333
Kind Code:
B2
Abstract:
Provided is a roasting method capable of reducing both C and S components in minerals down to 0.5 % or less, respectively, and securing a yield ratio of 90% or more for the Mo component. In a rotary kiln 7, a V, Mo and Ni containing material containing C and S components is subjected to oxidizing roasting to remove the C and S components from the material before reducing the material by means of a reducing agent in order to recover valuable metals composed of V, Mo and Ni. The rotary kiln is equipped with a burner 11 disposed on a material charge side 8a of the roasting furnace 8 to which the material is charged. In the roasting furnace, a direction along which the material moves and a flow of oxygen-containing gas introduced into the roasting furnace 8 are set to be parallel with each other.
Inventors:
Kenji Takahashi
Hirokazu Sugimori
Nobuo Ehara
Hirokazu Sugimori
Nobuo Ehara
Application Number:
JP2007538630A
Publication Date:
November 24, 2010
Filing Date:
February 21, 2006
Export Citation:
Assignee:
JFE Material Co., Ltd.
Sumitomo Heavy Industries Ltd.
Sumitomo Heavy Industries Ltd.
International Classes:
C22B1/04; C22B23/02; C22B34/22; C22B34/34; F27B7/10; F27B7/33; F27B7/34; F27B7/38
Domestic Patent References:
| JPS5497598A | 1979-08-01 | |||
| JPS54107495A | 1979-08-23 |
Attorney, Agent or Firm:
Toshiyuki Shiojima