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A collocation approach to distillation column design

✍ Scribed by C. L. E. Swartz; W. E. Stewart

Publisher
American Institute of Chemical Engineers
Year
1986
Tongue
English
Weight
461 KB
Volume
32
Category
Article
ISSN
0001-1541

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✦ Synopsis

A reduced-order collocation method is applied to the optimal design of distillation columns. The resulting number of equations is determined by the user and is independent of the numbers of stages in the column sections. The collocation method furthermore permits these stage numbers to be treated as continuous variables, thus extending the discrete solution set. This greatly facilitates the optimization. Several demonstration problems are worked out.

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Figure 6 Measured axial ratio in the broadside direction against frequency for the proposed antenna in Figure 5 with left-hand CP Ε½ . radiation feed at point A ; h s 1.6 mm, s 4.4, L s 30 mm, r Ε½ . Ε½ . Ε½ . S s 6.4 mm 4.7 ⍀ , 5.0 mm 0 ⍀ , d s 11.2 mm 4.7 ⍀ , 12.2 mm Ε½ . 0 ⍀ TABLE 2 Characteristics of