Because of the increasing water shortage in Flandres (Belgium), it will be necessary to switch over to alternative industrial water supply sources. The reuse of a part of the effluent requires the development and application of advanced water purification treatments in combination with process control. The current technologies under development in the frame of an EU-project are outlined. The latter project covers an integrated process for the provision of recycled water of guaranteed quality with minimum emissions. The whole process is divided into three modules; a sensor protected aerobic stage (SPAS), an anaerobic treatment (ANASORB) and a holistic polishing (HOLIPOL) module. The modules are flexible in application and can be used separately or together. The case of a jeans finishing plant in which a total recycling system at full scale is operated, is discussed.

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