Process for the removal of from oxide coatings iron zirconiferou

Details Process for the removal of from oxide coatings iron zirconiferou Process for the removal of from oxide coatings iron zirconiferou

1995-03-03

1997-06-10

Bos, Steven

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

4231501, C01G 2500, C01G 4900

Patent

active

056372817

ABSTRACT:
A process is disclosed for the removal of iron oxide coatings from zirconiferous material including a first step of heat treating the zirconiferous material at a temperature, not greater than 450.degree. C. and for a period sufficient to activate the coatings for enhanced ease of removal. The product of the first step is thereafter subjected to a leach and/or attritioning treatment.

REFERENCES:
patent: 4361542 (1982-11-01), Arendt
patent: 4395384 (1983-07-01), Poynton
patent: 4711664 (1987-12-01), Kwon et al.

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