Suppose a liquid sidestream of composition \(\mathrm{x}_{\mathrm{i}, \mathrm{s}}=\mathrm{x}_{\mathrm{i}, \mathrm{j}}\) and flow rate \(\mathrm{S}_{\mathrm{j}}\) is removed from stage \(\mathrm{j}\) in Figure 6-3.

Figure 6-3

a. Derive the mass balance Eqs. (6-4) to (6-6) for this modified column.

Equation 6-4

Equation 6-6

b. Develop new energy balance equations. Derive new coefficients for Eq. ( \(6-29 b)\).

Equation (6-29b)

Transcribed Image Text:

9j VjYj,Hj Lj-1,xj-1, hj-1 j Vj+Y+ Hj+l Lj, xj, hj FjZj, hj