Models for Effect on Separation Efficiency

The reason for the effect of loading on separation efficiency is not established beyond doubt, but the data and observations in the previous section can help us evaluate the merits of the explanations forwarded in the literature. A number of mechanisms and models have been proposed. 

One explanation for the effect is the critical loading concept of Muschelk-nautz. We refer to om discussion of the Muschelknautz method in Chap. 6, and give here only a brief outline of the hypothesis. This concept sprang from a model for horizontal pnemnatic conveying of powders. The idea is that the 

In his earlier papers, Muschelknautz arrived at the following expression for the critical load or limit load in terms of kg dust (that the gas could keep in turbulent suspension) per kg of gas  

As an alternative to the critical loading concept, Mothes and Loffler (1984) put forward the idea that the improvement of cyclone efficiency with solids 

Empirical relations without any mechanistic explanation have also been proposed. Smolik, as quoted by Svarovsky (1981), proposed  

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