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Title:
フッ化水素製造装置および製造方法
Document Type and Number:
Japanese Patent JP4599673
Kind Code:
B2
Abstract:
As to a reactor which is used in a process for producing hydrogen fluoride through a reaction of fluorite with sulfuric acid, and which comprises means for applying a shearing force to a content therein between the means and an inner surface thereof, a metal material is used for at least a portion of a part of the means which part is opposed to the inner surface, the metal material comprising tungsten carbide and a material comprising at least one element, or an alloy comprising two or more elements, selected from the group consisting of nickel, chromium, cobalt, iron, tungsten and carbon, the metal material comprising 30 to 90 % by weight of tungsten carbide. Thereby, it becomes possible to reduce the wear of an edge of the means for applying the shearing force to the content (the reaction mixture) between the means and the inner surface.

Inventors:
Hironobu Nishimura
Toshijun Takeuchi
Homoto Yukio
Norio Ema
Application Number:
JP2000208172A
Publication Date:
December 15, 2010
Filing Date:
July 10, 2000
Export Citation:
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Assignee:
Daikin Industries, Ltd.
International Classes:
C01B7/19; B01F7/00; B01F15/00; B01J19/00; B01J19/02; B01J19/18; B01J19/20; C01B17/96; C01F11/46
Domestic Patent References:
JP2001199712A
JP2001199711A
JP1153501A
JP6437403A
Attorney, Agent or Firm:
Aoyama Aoi
Yasuo Shibata
Samejima Mutsumi