Study - Single Separation Duty

The case study is taken from Mujtaba (1997). Here, a simple binary mixture is considered. The separation task is defined as Obtain distillate product with purity of 0.90 molefraction in component 1. The column configuration and input data are given in Table 11.1. 

Number of plates, N= 20 Feed location, NF = bottom stage 

Vapour boilup rate, V, kmol/hr = 5.0 xD, molefraction = 0.90 Feed rate, Fp, kmol/hr = variable 

To allow a direct comparison with CBD operation, the feed is introduced at the bottom of the column so that a same number of stages (in the rectification section) are available in both cases. Therefore, the model equations given in SS.9 and SS.10 (Chapter 4, section 4.3.1) will have the following form  

The variable L and therefore the equation SS.6 (presented in Chapter 6) will be redundant. Note the variables are defined in Chapter 4. 

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