abstract |
THIS INVENTION RELATES TO THE PURIFICATION OF INDUSTRIAL EFFLUENTS AND WASTE EFFLUENTS IN GENERAL, WHICH CONTAIN CYANIDES. MORE PARTICULARLY, THE INVENTION RELATES TO THE DETOXIFICATION OF SUCH EFFLUENTS BY A TREATMENT WITH A METALLIC ION WHICH FORMS STABLE ANIONIC COMPLEXES OF CYANIDE, AND THE COMPLETE AND SELECTIVE REMOVAL OF SAID COMPLEXES BY AN ANION EXCHANGE RESIN. |