method for the recovery of iodine from mother liquors and effluents containing organic iodine

摘要

1. Process for recovering iodine from mother liquor or waste water containing organic iodine compounds, by mineralisation of the organically combined iodine and then converting the iodide formed into elementary iodine, characterised in that the mother liquors or waste waters are heated in the presence of 100 to 3000 ppm copper ions or of finely divided metallic copper in aqueous-alkaline solution with a pH of at least 11.