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Separation Process Engineering: Includes Mass Transfer Analysis, Third Edition by Phillip C. Wankat

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D. Problems

*Answers to problems with an asterisk are at the back of the book.

D1.* Find the values of KA and qmax for methane adsorption on PCB activated carbon at 296 and 480 K (Table 18-3).

D2.* The adsorption of anthracene from cyclohexane on activated alumina follows a Langmuir isotherm,

q = 22c/(1 + 375 c) where c is in mol/L and q is in mol/kg. (Thomas, 1948)

Convert this to the form of Eq. (18-6a) in terms of qmax and KAc in units of g/L for c and g/kg for q. The range of validity should be from c = 0.0 to 0.012 mol/L.

Data: density of cyclohexane = 0.78 kg/L, molecular weight cyclohexane = 84, molecular weight anthracene = 178.22, ρp = 1.47 kg/L, εe = 0.4, εp = 0.0.

D3. We are separating acetonaphthalene (AN) from dinitronaphthalene ...

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