Optimization of an Industrial semibatch nylon 6 reactor

Sareen, R. ; Kulkarni, M. R. ; Gupta, S. K. (1995) Optimization of an Industrial semibatch nylon 6 reactor Journal of Applied Polymer Science, 57 (2). pp. 209-218. ISSN 0021-8995

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/app.199...

Related URL: http://dx.doi.org/10.1002/app.1995.070570209


An industrial semibatch nylon 6 reactor has been optimized using a one-variable (at a time) search technique. The vapor release rate from the reactor and the final monomer conversion have been constrained to lie very close to the values currently present. The degree of polymerization of the product is , similarly, constrained to lie at a value of 152. The optimal pressure histories for two values of the jacket fluid temperature, Tj, have been evaluated using two objective functions, I1 and I3, namely, the total reaction time (I1 = tf) and the concentration of the cyclic dimer (I3 = [C2]f) in the product. It is observed that as Tj is increased from 270 to 280° C, I1 improves while I3 worsens simultaneously. This suggests that these two optimal points lie on the Pareto set for the two-objective function problem.

Item Type:Article
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