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PRETREATMENT OF HIGHLY CONCENTRATED EFFLUENT FROM DESIZING/BLEACHING

Ziel

HIGH REDUCTION OF POLLUTION IN TEXTILE EFFLUENTS BY MEANS OF BIOLOGICAL SYSTEMS OR CHEMICAL METHODS.

IN THIS RESEARCH PROJECT THE COMPARISON OF THE FOLLOWING PROCESSES IS TREATED:

- PRECIPITATION/FLOCCULATION/SEDIMENTATION

- PRECIPITATION/FLOCCULATION/FLOTATION

- BIOLOGICAL TREATMENT WITH HIGH CONCENTRATION OF BIOMASS

- COAL-BASED BIOLOGICAL TREATMENT WITH HIGH CONCENTRATION OF BIOMASS, HIGH AGE OF SLUDGE AND SHORT RESIDENCE TIME.

THE POTENTIAL FOR INCREASING OR STABILIZING THE BIOLOGICAL ACTIVITY OF THE EFFLUENTS IS INVESTIGATED BY ADDING COKING COAL OR ACTIVATED CARBON.

DIFFERENT TECHNICAL COMPONENTS FOR BIOLOGICAL TREATMENT, LIKE THE AERATION PROCESS OR THE SLUDGE DEWATERING SYSTEM, ARE APPRAISED.

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Deutsches Institut für Textil- und Verfahrenstechnik
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73770 Denkendorf
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