Process for producing high purity lithium sulfide

Details Process for producing high purity lithium sulfide Process for producing high purity lithium sulfide

1978-01-25

1978-11-21

Vertiz, O. R.

Chemistry of inorganic compounds

Sulfur or compound thereof

Binary compound

4231795, C01B 1722, C01D 1500

Patent

active

041266668

ABSTRACT:
Lithium sulfide in the form of a finely divided, free-flowing powder of high purity is produced by reacting lithium carbonate powder in which the diameter of the particles is in the range of 1 to 10 microns with hydrogen sulfide at 500.degree. to 700.degree. C. Initial contact of the lithium carbonate with hydrogen sulfide takes place at a temperature substantially below the sintering temperature of lithium carbonate which is approximately 300.degree. to 400.degree. C.

REFERENCES:
patent: 2840455 (1958-06-01), Dwyer
patent: 3615191 (1971-10-01), Bach et al.
patent: 3642436 (1972-02-01), Smith, Jr.
patent: 3857920 (1974-12-01), Granthan et al.
Hadek et al., Lithium & its Compounds, Industrial and Engineering Chemistry, vol. 43, #12, Dec., 1951, pp. 2636-2646.

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