METHOD FOR RECOVERING TITANIUM FROM TITANIUM-CONTAINING SCRAP

Japanese Patent JP3673919

B2

PROBLEM TO BE SOLVED: To provide a method for efficiently recovering titanium having high purity at a low cost with which in a vacuum-melting process with an electron- beam, while removing impurities from platy or bulky titanium-containing scrap partly sticking low melting point metal and hard titanium nitride or titanium oxide, these scraps are easily melted and refined, and the raise of gas components such as oxygen in the electron-beam melting, is restrained.
SOLUTION: The recovering method of titanium from the titanium-containing scrap is composed of a process, in which the titanium-containing scrap sticking the low melting point metal is heated to not lower than the melting point of this low melting point metal, melted and removed, of a process in which the titanium compound on the surface of the titanium is removed with a blasting treatment or cutting-off, and a process for performing a pickling or the vacuum- melting.

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Yuichiro Shindo
Norio Yamamoto

JP2001398827A

July 20, 2005

December 28, 2001

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Nikko Materials Co., Ltd.
Toho Titanium Co., Ltd.

C22B34/12; C22B1/00; C22B7/00; C22B9/22; (IPC1-7): C22B34/12; C22B1/00; C22B7/00; C22B9/22

JP57155332A
JP9031559A
JP7048632A
JP2001040432A
JP62176667A

Isamu Ogoshi
Yohei Kinoshita

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