C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/02 (2006.01)
Patent
CA 2670777
The invention relates to a method for the treatment of an aqueous solution, possibly comprising heavy and/or noble metals, with cyanide and/or complexing agents, comprising a high temperature treatment of the solution in a closed reaction vessel, characterized in that a part of the treated solution is drained from the reaction vessel after the high temperature treatment. The drained part is substituted at least partially by an untreated solution. Said untreated solution is high temperature treated with the remaining part of the treated solution in the reaction vessel. Furthermore, a device for the execution of said method is described.
L'invention concerne un procédé pour traiter une solution aqueuse à teneur en cyanure et/ou en agents complexants contenant éventuellement des métaux lourds et/ou des métaux précieux, comprenant un traitement de la solution à haute température dans un récipient de réaction fermé. Selon l'invention, à la suite du traitement à haute température, on évacue du récipient de réaction une partie de la solution traitée, on remplace au moins partiellement la partie évacuée par de la solution non traitée, et on traite cette dernière à haute température avec la partie de la solution traitée qui est restée dans le récipient de réaction. L'invention concerne en outre un dispositif pour la mise en AEuvre d'un tel procédé.
Gutekunst Gerhard
Mzyk Waldemar
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Wieland Dental + Technik Gmbh & Co. Kg
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