Abstract
Eighty-seven dyestuffs have been tested in short-term aerobic biodegradation tests. The results confirmed that dyestuffs are most unlikely to show any significant biodegradation in such tests. With many dyestuffs a substantial colour removal was observed which may be attributed to the elimination of the dyes by adsorption. In some cases DOC (Dissolved Organic Carbon) removal did not correlate with colour removal and this is attributed to the presence of non-coloured organic components in the dyestuff.
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