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Application of Inhibition Model to Prevent Nitrification Upset in Petrochemical Wastewater Treatment Plant
An industrial wastewater treatment plant at a petrochemical facility in Terengganu, Malaysia was modeled using a wastewater treatment plant simulation software. The simulation was commissioned in order to develop control and operational strategies to ensure robustness of the treatment facility against plant upsets due to ingress of high concentrations of nitrification-inhibiting substances, namely benzene and monoethanolamine (MEA). To model the inhibitory effects of the compounds to the nitrification activity, a non-competitive inhibition model was incorporated in the activated sludge model. Based on the simulation results, it was found that benzene concentration of 220 mg/L in the wastewater treatment plant feed significantly inhibited nitrification. The results also indicated that increasing MEA concentration will lead to excessive carbonaceous and nitrogenous load before significant nitrification inhibition is observed. Based on the findings, a set of wastewater influent parameter limits for specific wastewater influent sources were proposed to prevent nitrification upsets due to excessive ingress of these inhibitory compounds.
Application of Inhibition Model to Prevent Nitrification Upset in Petrochemical Wastewater Treatment Plant
An industrial wastewater treatment plant at a petrochemical facility in Terengganu, Malaysia was modeled using a wastewater treatment plant simulation software. The simulation was commissioned in order to develop control and operational strategies to ensure robustness of the treatment facility against plant upsets due to ingress of high concentrations of nitrification-inhibiting substances, namely benzene and monoethanolamine (MEA). To model the inhibitory effects of the compounds to the nitrification activity, a non-competitive inhibition model was incorporated in the activated sludge model. Based on the simulation results, it was found that benzene concentration of 220 mg/L in the wastewater treatment plant feed significantly inhibited nitrification. The results also indicated that increasing MEA concentration will lead to excessive carbonaceous and nitrogenous load before significant nitrification inhibition is observed. Based on the findings, a set of wastewater influent parameter limits for specific wastewater influent sources were proposed to prevent nitrification upsets due to excessive ingress of these inhibitory compounds.
Application of Inhibition Model to Prevent Nitrification Upset in Petrochemical Wastewater Treatment Plant
Lecture Notes in Civil Engineering
Mohammed, Bashar S. (editor) / Shafiq, Nasir (editor) / Rahman M. Kutty, Shamsul (editor) / Mohamad, Hisham (editor) / Balogun, Abdul-Lateef (editor) / Ariff, Idzham Fauzi M. (author)
Proceedings of the International Conference on Civil, Offshore and Environmental Engineering ; 2021 ; Kuching, Malaysia
2021-01-01
12 pages
Article/Chapter (Book)
Electronic Resource
English
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