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Study on Control System of APMP Wastewater Treatment Process |
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DOI:10.11980/j.issn.0254-508X.2016.11.008 |
Key Words:APMP wastewater treatment expert control pH value dissolved oxygen concentration |
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Abstract:A novel control system was designed for APMP wastewater treatment process using combined anaerobic and aerobic methods. Aiming at severe time-delay and non-linearity of the process, a feed-forward based expert system plus feedback control was applied to control the pH value in the conditioning tank of anaerobic process. A cascade control which was composed of aeration flow balance control and dissolved oxygen concentration control was employed to aerobic reactor, expert control and PID control were switched according to the derivation of dissolved oxygen concentration in different stage. The detailed implement scheme of the system was also presented. The application results showed that this system was effective. |
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