Achim Schaadt

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The cloud point separation of Direct Yellow from micellar solution of various nonionic surfactants, containing a polyoxyethylene chain, was studied. The separation of dyes is an important environmental problem. Moreover, such separation can also be considered as a preliminary step for further studies of biochemical recovery. Some dyes can be considered as(More)
Cloud point separation of selected dyes was studied. The use of dyes made possible observation of the dynamics of surfactant-rich phase separation by color video. The pictures were interpreted by means of ImageC software and degrees of whiteness were calculated. It was found that separation was slow and equilibrium was not achieved even after a period of(More)
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