Development of a control system for in-line coagulation in an ultrafiltration process

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Blankert, Bastiaan and Betlem, Ben H.L. and Roffel, Brian (2007) Development of a control system for in-line coagulation in an ultrafiltration process. Journal of Membrane Science, 301 (1-2). pp. 39-45. ISSN 0376-7388

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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.
Item Type:Article
Copyright:© 2007 Elsevier Science
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/67308
Official URL:http://dx.doi.org/10.1016/j.memsci.2007.05.033
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