METHOD OF REMOVAL OF HEXAVALENT CHROME FROM SOLUTIONS

chemistry, particularly, precipitation of hexavalent chrome from solutions; applicable in various processes including purification of sewage waters from hexavalent chrome. SUBSTANCE: method includes adding to treated solution of sodium thiosulfate in stoichiometric ratio to substances containing hex...

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Bibliographische Detailangaben
Hauptverfasser:	KUNDO N.N, BOLDYREVA N.N, KUKSANOV N.K, KORCHAGIN A.I, IVANCHENKO V.A, SLJUDKIN O.P, LAVRUKHIN A.V, FADEEV S.N, PETROV S.E, VAGNER V.A
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	chemistry, particularly, precipitation of hexavalent chrome from solutions; applicable in various processes including purification of sewage waters from hexavalent chrome. SUBSTANCE: method includes adding to treated solution of sodium thiosulfate in stoichiometric ratio to substances containing hexavalent chrome. Then, solution is exposed to radiation with electronic beam with dose of 10-30 Mrad. EFFECT: simplified method of purification of solutions containing hexavalent chrome and high purification efficiency. 1 tbl, 1 ex