Which of the following is not used for drying of sludge? Options: A . &nbspMultiple effect evaporation B . &nbspDual effect evaporation C . &nbspRotary dryer D . &nbspSpray dryer

Which of the following is not used for drying of sludge?

Question

Which of the following is not used for drying of sludge?

Options:

A . Multiple effect evaporation

B . Dual effect evaporation

C . Rotary dryer

D . Spray dryer

Answer: Option B
Answer: (b).Dual effect evaporation

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