Process for the production of a tantalum and niobium bearing con

Details Process for the production of a tantalum and niobium bearing con Process for the production of a tantalum and niobium bearing con

1978-10-13

1980-07-08

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vb metal

75 24, 75 84, C01G 3300, C01G 3500

Patent

active

042117542

ABSTRACT:
A tantalum and niobium bearing concentrate is produced from a tantalum and niobium bearing ferro-alloy, containing tantalum and niobium as carbide, by treating the ferro-alloy in molten state with a controlled amount of an oxidizing agent such as oxygen in order to slag tantalum and niobium, and by separating the so obtained slag phase from the metal phase. The ferro-alloy contains enough iron to have at least most of the tantalum carbide dissolved in the molten ferro-alloy.

REFERENCES:
patent: 2140801 (1938-12-01), Leemans et al.
patent: 2972530 (1961-02-01), Zimmerley et al.
patent: 3057714 (1962-10-01), Back et al.
patent: 3091524 (1963-05-01), Johnson
patent: 3447894 (1969-06-01), Gustison et al.
patent: 3585024 (1971-06-01), Cenerazzo et al.
patent: 3721727 (1973-03-01), Gustison

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