CHE 4253 Chapter : Lec19 Updated
Document Summary
Introduction to industrial air pollution control. Copyright 2015 f. r. hung, lsu, che 4253. Permission is granted to use the material presented here for personal or your own instructional use. All other rights to the material presented here are reserved. You may not use this material for any commercial purposes, nor may you redistribute it in any fashion. V t: residence time of gas in chamber: t g. H hoppers: to estimate minimum value of dp that can be removed with 100% efficiency: assume residence time of gas in chamber is long enough so particles fall distance h and settle in hopper t = tg. After obtaining vt, use methods from last class to estimate dp from vt. For example, if stokes flow is valid (10-4 < re < 1. 0): Gravity sebler block ow or plug ow model: collection efficiency. H hoppers: efficiency, chamber with n horizontal baffles: Repeat the calculations of problem 5. 54 for this chamber.
