ESP for fine particle penetration

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SUMMARY

The discussion focuses on calculating individual percent penetrations of fine particles (10 micron, 7 micron, and 3 micron) in an Electrostatic Precipitator (ESP) using the Dutch-Anderson equation. The equation p=exp^(-Aw/Q) is applied, where p represents penetration, A is the collection area, Q is the volumetric flow, and w is the drift velocity. Given that the overall penetration is 0.05 and the drift velocities for the particles are 0.33 m/s, 0.23 m/s, and 0.1 m/s respectively, participants are tasked with determining the individual penetrations for each particle size.

PREREQUISITES
  • Understanding of Electrostatic Precipitator (ESP) operation
  • Familiarity with the Dutch-Anderson equation
  • Knowledge of particle drift velocity calculations
  • Basic principles of gas-particle interactions
NEXT STEPS
  • Research the application of the Dutch-Anderson equation in ESP design
  • Explore methods for calculating individual particle penetrations in gas streams
  • Learn about drift velocity influences on particle collection efficiency
  • Investigate the impact of particle size distribution on ESP performance
USEFUL FOR

Environmental engineers, process engineers, and researchers focused on air pollution control and particulate matter filtration in industrial applications.

pippazzo
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a gas stream has particles of three sizes, 10 micron, 7 micron and 3 micron. The particle density is the same for all three sizes as well as the weight concentration (0.33333). This gas passes through an ESP that obeys Dutch-Anderson equation arranged for the penetration:

p=exp^(-Aw/Q) where p is the penetration, A the collection area, Q the volumetric flow and w the drift velocity.

If the overall penetration is 0.05 What are the individual percent penetrations for each of the three sizes?

I'm really lost in the approach...
 
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i just found the 3 velocities so far: 10 micron → 0.33m/s 7micron→ 0.23m/s 3micron→ 0.1m/s
 

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