Q. __________ maintain the required water quality to the membrane without the use of chemicals.

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Q. Lamella clarifiers are used as pre-treatment ahead of _____

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Q. What is the length of the tube in lamella clarifiers?

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Q. How much spacing should be provided in between the tubes?

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Q. What is the maximum load of solids that lamella clarifiers can handle?

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Q. What is the retention time for rectangular clarifiers?

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Q. What is the range of overflow rate for circular clarification unit?

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Q. What is the retention time for lamella clarifiers?

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Q. What is the limit of plate load?

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Q. What is the angle of inclination for lamella plates?

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Q. Which of these pollutants does a lamella clarifier remove?

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Q. What is the maximum rise rate in m³/m²/h considered while designing a Lamella clarifier?

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Q. Calculate the flow per plate in a lamella clarifier for the following data?

Flow: 20 m³/h
Area of plate: 1.2 m²
Rise rate: 1.2 m³/m²/h

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Q. How many plates will be required in a lamella clarifier for the following data?

Flow: 40 m³/h
Area of plate: 1.2 m²
Rise rate: 1.2 m³/m²/h

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Q. What is the angle at which the plates should be inclined in a lamella clarifier?

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Q. How many plates will be required in a lamella clarifier for the following data?

Flow: 120 m³/h
Area of plate: 1.8 m²
Rise rate: 0.9 m³/m²/h

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Q. Calculate the Oil load for the following data.

Flow rate: 1000 m³/day
Oil present: 50 ppm

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Q. What is the capacity of the oil skimmer used?

Flow: 90 m³/h
Oil present: 50 ppm

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Q. What is the size of ionic particles present in wastewater?

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Q. The smallest particle size requiring removal from the fluid stream is called ______

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