Estimate for the liquid flow-rate into a gas scrubber

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SUMMARY

The discussion focuses on estimating the liquid flow rate required for a gas scrubber, specifically when dealing with organic particulates. The key takeaway is that scrubbers are often rated by their liquid flow rate to gas flow rate ratio, which provides a practical method for estimation without needing detailed knowledge of the particulates' properties. Participants emphasized the importance of understanding the chemical reactions involved and the specific area of particulates for more precise calculations, but noted that a general ratio can suffice for basic needs.

PREREQUISITES
  • Understanding of gas scrubber operation principles
  • Basic knowledge of chemical reactions and mole calculations
  • Familiarity with liquid flow rate and gas flow rate concepts
  • Awareness of particulate properties and their impact on scrubbing efficiency
NEXT STEPS
  • Research liquid flow rate to gas flow rate ratios in scrubber design
  • Study chemical reaction kinetics relevant to gas scrubbing
  • Explore methods for calculating specific surface area of particulates
  • Investigate different types of gas scrubbers and their operational efficiencies
USEFUL FOR

Engineers, environmental scientists, and professionals involved in gas treatment processes, particularly those focusing on the design and optimization of gas scrubbers for organic particulate removal.

Hoplite
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I need a method for estimating the liquid flow rate required by a gas scrubber (I know the amount of gas that needs to be scrubbed and the amount of particulates with it, but I don't know about the nature of the particles, except that they are organic).

It doesn't need to be particularly accurate or fancy, but I've looked at books, and journal articles and I can't find anything useful.

I anyone could help me, I'd be very grateful.
 
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Hoplite said:
I need a method for estimating the liquid flow rate required by a gas scrubber (I know the amount of gas that needs to be scrubbed and the amount of particulates with it, but I don't know about the nature of the particles, except that they are organic).

What is being scrubbed from the gas? The particulates or some component of the gas?

It seems one would need to know something about the chemical reaction and the number of moles involved. Or if its the particulates, the specific area of the particulates and the mass of liquid/unit area of particulate reacting.
 
Astronuc said:
What is being scrubbed from the gas? The particulates or some component of the gas?

It seems one would need to know something about the chemical reaction and the number of moles involved. Or if its the particulates, the specific area of the particulates and the mass of liquid/unit area of particulate reacting.
You would think so. But no particle masses were given.

Fortunately, I found out that scrubbers are often rated by their liquid flowrate/gas flowrate ratio, and so I just used that.
 

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