SOLVENT FOR SULFUR MINING Russian patent published in 1997 - IPC

Abstract SU 1129981 A1

FIELD: chemical technology. SUBSTANCE: solvent containing potassium or sodium hydroxide and water has additionally water-soluble polyalkylene polyamine at the following ratio of components, wt.-%: potassium or sodium hydroxide, 20-45; water-soluble polyalkylene polyamine, 0.3-1.5; and water, the balance. Solvent can contain N-dimethylpropylenediamine or N,N'-tetramethyldipropylenetriamine or polyethylene polyamine or their mixtures as water-soluble polyalkylene polyamine. EFFECT: intensified process of sulfur dissolving.

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SU 1 129 981 A1

Authors

Fakhriev A.M.

Mazgarov A.M.

Arens V.Zh.

Gizatullina I.Kh.

Dates

1997-04-27—Published

1983-01-26—Filed