- 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: An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase isA 9.21
B 4.605
C 100
D 0.001
ANS:B - 4.605 The overall number of transfer units (NTU) is a measure of the effectiveness of a mass transfer operation, such as absorption. It quantifies the degree of separation achieved between the two phases involved in the process. For absorption processes with irreversible chemical reactions, the overall NTU can be calculated using the equation: 𝑁𝑇𝑈=𝑉𝐺𝐾𝐿⋅𝑎NTU=KL⋅aVG Where:
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