Method and apparatus for producing hydrogen fluoride

Details Method and apparatus for producing hydrogen fluoride Method and apparatus for producing hydrogen fluoride

2005-01-11

2005-01-11

Nguyen, Ngoc-Yen (Department: 1754)

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

C423S482000, C423S485000, C422S224000, C422S225000, C422S240000, C422S210000

Reexamination Certificate

active

06841140

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.

REFERENCES:
patent: 1701225 (1929-02-01), Buchner
patent: 2932557 (1960-04-01), List et al.
patent: 3063815 (1962-11-01), Redniss
patent: 3607121 (1971-09-01), Watson et al.
patent: 4491571 (1985-01-01), Suzuki et al.
patent: 5271918 (1993-12-01), Patterson et al.
patent: 319931 (1957-04-01), None
patent: 0 096 817 (1983-12-01), None
patent: 0 163 565 (1985-12-01), None
patent: 1 371 790 (1974-10-01), None
patent: 2 159 136 (1985-11-01), None
patent: 47-15390 (1972-08-01), None
patent: 49-29437 (1974-08-01), None
patent: 57-59626 (1982-04-01), None
patent: 59-39703 (1984-03-01), None
patent: 1-119639 (1989-05-01), None
patent: 4-40282 (1992-07-01), None
patent: 8-199284 (1996-08-01), None
patent: 08-199284 (1996-08-01), None
patent: 2000-001733 (2000-01-01), None

Affiliated with

Also associated with

Rating

Method and apparatus for producing hydrogen fluoride does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for producing hydrogen fluoride, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for producing hydrogen fluoride will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3383975