N-removal on wastewater treatment plants : a process control approach

Vilanova, Ramon and Katebi, M.R. and Wahab, NoraLiza (2011) N-removal on wastewater treatment plants : a process control approach. Journal of Water Resource and Protection, 2011 (3). pp. 1-11. ISSN 1945-3094 (https://doi.org/10.4236/jwarp.2011.31001)

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Abstract

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 op-erating conditions (dry, rain and storm).

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• Item metadata

  Item type:	Article
  ID code:	27491
  Dates:	Date Event 2011 Published 1 January 2011 Published Online
  Subjects:	Technology > Environmental technology. Sanitary engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Dr Reza Katebi
  Date deposited:	29 Sep 2010 16:09
  Last modified:	08 Apr 2024 18:34
  URI:	https://strathprints.strath.ac.uk/id/eprint/27491