Hydrosulfide-groups containing multi-metal inorganic polymeric c

Details Hydrosulfide-groups containing multi-metal inorganic polymeric c Hydrosulfide-groups containing multi-metal inorganic polymeric c

1976-12-08

1978-09-26

Gantz, Delbert E.

Chemistry of inorganic compounds

Sulfur or compound thereof

423560, 252439, C01B 1700, C01B 1732, B01J 2702

Patent

active

041170997

ABSTRACT:
Novel water soluble inorganic multi-metal polymeric complexes are obtained by reacting, in the presence of a sulfur containing compound convertable to hydrosulfide groups under the conditions prevailing in the aqueous reaction medium, at least one non-alkaline metal selected from Groups I to VIII of the Periodic Table with an alkali metal hydroxide. In one embodiment, an excess of the non-alkaline metal or metals is introduced into a reaction vessel, already containing an aqueous solution of the alkali metal hydroxide, and the sulfur containing compound is thereafter incrementally added. In another embodiment, the alkali metal hydroxide and sulfur containing compound are each incrementally added to the reaction medium. The inorganic multi-metal polymeric complexes produced by this reaction have valuable utility in the plating of metals and in the removal of sulfur dioxide and other pollutants from effluent gas streams.

REFERENCES:
patent: 3551352 (1970-12-01), Carr et al.

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