PROCESS FOR THE PURIFICATION OF WASTE WATERS CONTAINING ORGANIC AND, SHOULD THE SITUATION ARISE, INORGANIC SULPHUR COMPOUNDS

摘要

This invention relates to a process for the purification of waste waters containing organicand, should the situation arise, inorganic sulphur compounds, which waste waters containa proportion of mercaptobenzothiazole and/or derivatives thereof and, should the situationarise, a proportion of benzothiazole and/or derivatives thereof and/or mercaptobenzimidazoleand/or derivatives thereof and, should the situation arise, thiosulphate, whereby thewaste waters are treated with an extracting agent comprising salts of aliphatic amines andaliphatic and/or aromatic hydrocarbons.