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

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18.6.4 Energy Balances and Heat Transfer

Since there are usually significant heat effects in gas systems, energy balances will be required. For the single-porosity model the energy balance (based on the assumptions in Table 18-6) for the fluid, particles, and column wall is

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(18-63)

The first two terms and the last term represent accumulation of energy in the fluid, the particle, and the column wall. The third term is convection of energy while the fourth term is the axial dispersion of energy. The fifth term (first term on right hand side) represents the heat transfer from the column walls. Because industrial scale systems have a small ratio of ...

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