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Transport Processes and Separation Process Principles (Includes Unit Operations) Fourth Edition by Christie John Geankoplis

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PROBLEMS

12.1-1.

Equilibrium Isotherm for Glucose Adsorption. Equilibrium isotherm data for adsorption of glucose from an aqueous solution to activated alumina are as follows (H3):

C (g/cm3)0.00400.00870.0190.0270.0940.195
q (g solute/g alumina)0.0260.0530.0750.0820.1230.129
Determine the isotherm that fits the data and give the constants of the equation using the given units.
A1: Ans. Langmuir isotherm, q = 0.145c/(0.0174 + c)
12.2-1.

Batch Adsorption for Phenol Solution. A wastewater solution having a volume of 2.5 m3 contains 0.25 kg phenol/m3 of solution. This solution is mixed thoroughly in a batch process with 3.0 kg of granular activated carbon until equilibrium is reached. Use the isotherm from Example 12.2-1 and calculate the final equilibrium ...

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