Process for producing ammonium polythiomolybdate
A process for producing an ammonium polythiomolybdate of the formula (NH4)2Mo3S13.nH2O where n is 0, 1 or 2 in which an aqueous ammoniacal molybdate solution is reacted with hydrogen sulfide gas in a closed system at superatmospheric pressure until the H2S is no longer absorbed by the solution to fo...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A process for producing an ammonium polythiomolybdate of the formula (NH4)2Mo3S13.nH2O where n is 0, 1 or 2 in which an aqueous ammoniacal molybdate solution is reacted with hydrogen sulfide gas in a closed system at superatmospheric pressure until the H2S is no longer absorbed by the solution to form a slurry of solid ammonium tetrathiomolybdate containing a portion of the starting molybdenum in a mother liquor containing the balance of the molybdenum and thereafter heat soaking the reaction product in the presence of elemental sulfur to form the desired product. |
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