Q. What is the retention time considered for the anaerobic zone for the University of Cape Town treatment process for removing phosphorus?

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Q. What is the retention time considered for the aerobic zone for the University of Cape Town treatment process for removing phosphorus?

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Q. What is the retention time considered for the aerobic zone for the Virginia Initiative Plant treatment process for removing phosphorus?

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Q. What is the retention time considered for the aerobic zone for the Virginia Initiative Plant treatment process for removing phosphorus?

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Q. What is the oxidation state of organic nitrogen?

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Q. Which of the following below represents nitrate ion?

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Q. Nitrogen fixation is the conversion of _________into nitrogen compounds.

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Q. ______ is the biochemical degradation of Organic-N into NH₃ or NH₄⁺.

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Q. Which of the following bacteria is used in nitrification process?

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Q. What is the minimum mass loading of nitrogen in domestic wastewater?

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Q. What is the minimum quantity of nitrogen present in untreated wastewater?

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Q. Excess nitrogen is present after secondary biological treatment.

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Q. The maximum removal of nitrogen from septic tanks is 15%.

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Q. What is the percentage of nitrogen removal that can be obtained from facultative lagoons?

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Q. What is the power consumed for the anoxic process for the removal of nitrogen?

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Q. What is the retention time considered for the anaerobic zone for the AO process for removing phosphorus?

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Q. What is the SDNR assumed while designing postanoxic tank?

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Q. How is the SDNR related to the BOD?

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Q. At what detention time maximum saturation rates are experienced in a denitrification process?

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Q. When is internal recirculation required for preanoxic tank?

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