Production of pure molybdenum

Details Production of pure molybdenum Production of pure molybdenum

1985-08-22

1986-08-12

Carter, H. T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 58, 546 2, C01G 3900

Patent

active

046055380

ABSTRACT:
A process is disclosed for producing pure molybdenum which involves contacting a molybdate solution with a true liquid alkaloid in an amount sufficient to form an alkaloid-molybdenum compound with essentially all of the molybdenum. The resulting alkaloid-treated solution is adjusted to a pH of from about 2 to 4 to form a precipitate consisting essentially of the compound and a mother liquor. The precipitate is then separated from the mother liquor and dissolved in ammonium hydroxide to form a two phase system consisting essentially of an alkaloid phase and a molybdenum phase followed by separation of the two phases. A pure ammonium molybdate compound is then crystallized from the molybdenum phase.

REFERENCES:
patent: 4266051 (1981-05-01), Kroenke
patent: 4355161 (1982-10-01), Johnson et al.

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