Q. For the development of flocculent biomass for treating domestic water through Activated Sludge Process (ASP) what would be the Solid retention time considered?

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Q. For the development of flocculent biomass for treating industrial water through Activated Sludge Process (ASP) what would be the Solid retention time considered?

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Q. For the removal of nitrogen completely through Activated Sludge Process (ASP) what would be the Solid retention time considered?

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Q. For the removal of phosphorous through Activated Sludge Process (ASP) what would be the Solid retention time considered?

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Q. What is the typical value of the F/M ratio considered for an ASP process?

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Q. What is the typical value of the F/M ratio considered for an extended ASP process?

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Q. While designing an aeration tank for the ASP what is the volumetric organic loading rate considered?

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Q. Calculate the BOD load for the following data.

Flow: 800 m³/d
BOD load: 1000 mg/L

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Q. Aeration consumes less energy in activated sludge process compared to other processes.

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Q. What does OTR stand for?

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Q. Which of the following is not a standard condition for aeration?

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Q. What is the symbol used to define the ratio of the process to clean water mass transfer?

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Q. _________ is the actual mass of oxygen transferred per unit time.

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Q. High solubility of CO₂ ______ pH.

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Q. What is the range of pH above which aeration is required?

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Q. H₂S is highly soluble in water.

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Q. Which of the following is not used for iron removal?

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Q. How many types of aerators are present?

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Q. Calculate the theoretical oxygen requirement for the following details.

Flow: 200 m³/h
BOD load: 800 mg/L

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Q. Calculate the amount of air required for the following details.

Flow: 300 m³/h
BOD load: 800 mg/L

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