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A wet scrubber uses \( 1.2 \) litres of liquid per cubic metre of gas at \( 25 \) m\(^3\)/s. The liquid rate is

  • A.30 litres per second
  • B.1.8 litres per second
  • C.300 litres per second
  • D.20.8 litres per second

Answer: A

Correct answer: 30 litres per second

The liquid rate is the specific consumption times the gas flow:

\[ 1.2 \times 25 = 30 \ \mathrm{litres/s} \]

Around one to two litres per cubic metre is typical of a venturi. That liquid must then be recirculated, and the solids it has picked up removed, which is the effluent handling that goes with every wet device.

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