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 contain ing organic and, should the situation arise, inorganic sulphur compounds, which waste waters contain a proportion of mercaptobenzothiazole and/or derivatives thereof and, should the situation arise, a proportion of benzothiazole and/or derivatives thereof and/or mercaptob enzimidazole and/or derivatives thereof and, should the situation arise, thiosulphate, whereb y the waste waters are treated with an extracting agent comprising salts of aliphatic amines and aliphatic and/or aromatic hydrocarbons.