Mass transfer coefficients terms Links

As noted in Chapter 5, the performance of a particular packing is often expressed in terms of a height equivalent to a theoretical plate (HETP) and is so reported by packing manufacturers. Performance data in terms of a HTU, or a volumetric mass transfer coefficient Ka, have a sounder theoretical basis but are relatively rare (see Table 5.6). A link between HTU and HETP can, however, be easily established for the case of a linear equilibrium relation. To show this, we start with the definitions of HTU and HETP and simply divide the two expressions. We obtain... 

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