Title:
TUNGSTEN CARBIDE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2016/158878
Kind Code:
A1
Abstract:
Provided is a method for efficiently producing tungsten carbide from a raw material mixture containing a valuable material including tungsten. The tungsten carbide production method is characterized by including: a step in which tungsten is dissolved into an electrolyte by using an organic electrolyte and performing electrolysis on the raw material mixture containing the valuable material including tungsten; and a step in which tungsten carbide is obtained by firing the electrolyte having the tungsten dissolved therein, at a temperature of at least 800°C.
Inventors:
KAWAMURA TOSHIFUMI (JP)
Application Number:
PCT/JP2016/059970
Publication Date:
October 06, 2016
Filing Date:
March 28, 2016
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP (JP)
International Classes:
C04B35/563; C01B32/949; C22B7/00; C25B1/00; C25C1/06
Foreign References:
| JP5329615B2 | 2013-10-30 | |||
| JP2014129583A | 2014-07-10 | |||
| JP2000203825A | 2000-07-25 | |||
| JP2004510668A | 2004-04-08 |
Other References:
YABE HIDEKI ET AL.: "THE EFFECT OF SILVER ION ON ELECTRODEPOSITION OF TUNGSTEN AND TUNGSTEN CARBIDE FROM MOLTEN CHLORIDE", ELECTROCHIMICA ACTA, vol. 35, no. 1, 1990, pages 187 - 189, XP026516640
Attorney, Agent or Firm:
AXIS Patent International (JP)
Axis international patent business corporation (JP)
Axis international patent business corporation (JP)
Download PDF: