Abstract
A control system for the in-line coagulation applied in an ultrafiltration process was developed. The dosing strategy aims to apply a minimal coagulant dose while maintaining desirable process performance by regulating the initial filtration resistance. This is achieved by a feedback controller. It was found that the control system performs well; adaptation to changing conditions is achieved adequately and sufficiently fast. The initial resistance of the last filtration before the chemical cleaning phase can be controlled within an accuracy of approximately 3% (of the total resistance) or 9% (of the fouling resistance). Compared to the current dosing strategy, a significant reduction of coagulant consumption can be achieved.
Original language | English |
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Pages (from-to) | 39-45 |
Journal | Journal of membrane science |
Volume | 301 |
Issue number | 1-2 |
DOIs | |
Publication status | Published - 2007 |
Keywords
- Control
- In-line coagulation
- Ultra filtration
- n/a OA procedure