Q. When filled which of the following material both nitrogen and BOD are removed?

View solution

Q. What is the surface area of the plastic high specific surface area packing material used in trickling filters as the packing medium?

View solution

Q. What is the surface area of the plastic conventional packing material used in trickling filters as the packing medium?

View solution

Q. What is the surface area of the plastic random packing conventional packing material used in trickling filters as the packing medium?

View solution

Q. What is the surface area of the plastic random packing high specific surface area packing material used in trickling filters as the packing medium?

View solution

Q. What is the surface area of the River rock (Small) packing material used in trickling filters as the packing medium?

View solution

Q. What is the surface area of the River rock (Large) packing material used in trickling filters as the packing medium?

View solution

Q. The settling tank which is followed after the Trickling filter has which of the following characteristic?

View solution

Q. What is the maximum reduced concentration of BOD obtained at the outlet of tricking filter?

View solution

Q. High rate filtrations cannot be used for wet weather conditions.

View solution

Q. What is the filter media made of?

View solution

Q. Filter cycle is interrupted for ______

View solution

Q. ________ is shifted to keep an ample space for filtering media to rotate.

View solution

Q. What is the void ratio of filter media?

View solution

Q. The synthetic fibres used are temperature resistant.

View solution

Q. Which of the following is not true in case of closing the top of the vessel?

View solution

Q. As the compression increases, the porosity in filter bed _____

View solution

Q. What is the life of the media used?

View solution

Q. What is the percentage of wash water?

View solution

Q. Which of these does high rate filters not remove?

View solution