- Mass Transfer - Section 1
- Mass Transfer - Section 2
- Mass Transfer - Section 3
- Mass Transfer - Section 4
- Mass Transfer - Section 5
- Mass Transfer - Section 6
- Mass Transfer - Section 7
- Mass Transfer - Section 8
- Mass Transfer - Section 9
- Mass Transfer - Section 10
- Mass Transfer - Section 11
- Mass Transfer - Section 12
- Mass Transfer - Section 13
- Mass Transfer - Section 14


Mass Transfer - Engineering
Q1: The individual mass transfer co-efficients (moles/m2 . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ?A liquid side
B gas side
C interfacial
D both liquid and gas side
ANS:B - gas side To determine which resistance(s) are controlling the mass transfer process in this case, we can use the concept of overall mass transfer coefficient (𝐾𝑜𝑣𝑒𝑟𝑎𝑙𝑙Koverall) and the slope of the equilibrium line (𝑚m). The overall mass transfer coefficient can be calculated using the formula: 1𝐾𝑜𝑣𝑒𝑟𝑎𝑙𝑙=1𝐾𝐿+1𝐾𝐺Koverall1=KL1+KG1 Given:
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