Spray drying process for producing anhydrous alkali sulfide

Details Spray drying process for producing anhydrous alkali sulfide Spray drying process for producing anhydrous alkali sulfide

2006-03-14

2006-03-14

Silverman, Stanley S. (Department: 1754)

Chemistry of inorganic compounds

Sulfur or compound thereof

Binary compound

Reexamination Certificate

active

07011806

ABSTRACT:
A process and a device for producing anhydrous alkali sulfide, wherein an alkali sulfide solution, alkali sulfide suspension, alkali sulfide dispersion or alkali water of crystallization melt is dried by spray drying with inert drying gas loaded with water vapor.

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patent: 0 924 165 (1999-06-01), None
patent: WO01/25146 (2001-04-01), None
Definition of “Inert gas”, from “Wikipedia, the free encyclopedia”, courtesy of http://en.wikipedia.org/wiki/Inert_gas, last modified Aug. 29, 2004.
Perry's Chemical Engineers' Handbook, Sixth Edition. New York, McGraw-Hill Book Company, 1984. pp. 20-1, 20-2, & 20-54 through 20-58, including Table 20-29.
Andersson, Jan Y. et al., “Mechanisms and Kinetics of the Thermal Decomposition of Sodium Sulphide Pentahydrate under controlled Water Vapour Pressure,” Journal of the Chemical Society, 1986, pp. 469-475, Dalton Transactions, Chemical Society, Letchworth, GB.

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