N-Removal on Wastewater Treatment Plants: A Process Control ApproachReportar como inadecuado




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A multilayered control design approach is proposed here. Starting with the Dissolved Oxygen DO control loop in the last aerated tank, the control of the recirculation sludge is added next. Once the limitations of this two-loop control strategy are highlighted, a cascade control loop is proposed. This cascade control is further enhanced by a feed-forward control action that makes use of influent ammonia concentration. The resulting cascade+feedforward control configuration achieves satisfactory nitrogen removal for the three influent operating conditions dry, rain and storm.

KEYWORDS

Wastewater Process Control, Nitrogen Removal, PID Control

Cite this paper

R. Vilanova, R. Katebi and N. Wahab -N-Removal on Wastewater Treatment Plants: A Process Control Approach,- Journal of Water Resource and Protection, Vol. 3 No. 1, 2011, pp. 1-11. doi: 10.4236-jwarp.2011.31001.





Autor: Ramon Vilanova, Reza Katebi, NoraLiza Wahab

Fuente: http://www.scirp.org/



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