A velocity of 5 to15 m/s for process gas flow
through the wet scrubber tower for absorption liquid contact
is preferred since process gas velocities less than 5
m/s, tend to result in less efficient absorption liquid and
process gas intermixing. Similarly, with process gas velocities
greater than 15 m/s, the process gas pressure
drop within the wet scrubber tower tends to increase to
unacceptably high levels. High pressure drop levels are
unacceptable due to the large amount of energy and associated
high costs required to pass process gas through
and out of the wet scrubber tower. Also, with process gas
velocities greater than 15 m/s, a large amount of absorption
liquid becomes entrained within the process gas,
causing increased liquid loads on wet scrubber tower
mist eliminators, potentially causing undesirable increased
absorption liquid losses from the wet scrubber
tower
A velocity of 5 to15 m/s for process gas flowthrough the wet scrubber tower for absorption liquid contactis preferred since process gas velocities less than 5m/s, tend to result in less efficient absorption liquid andprocess gas intermixing. Similarly, with process gas velocitiesgreater than 15 m/s, the process gas pressuredrop within the wet scrubber tower tends to increase tounacceptably high levels. High pressure drop levels areunacceptable due to the large amount of energy and associatedhigh costs required to pass process gas throughand out of the wet scrubber tower. Also, with process gasvelocities greater than 15 m/s, a large amount of absorptionliquid becomes entrained within the process gas,causing increased liquid loads on wet scrubber towermist eliminators, potentially causing undesirable increasedabsorption liquid losses from the wet scrubbertower
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