Determination of optimal reactor type
TL;DR: In this paper, the problem of determining the optimal reactor type as dictated by reaction kinetics is considered, and the problem is formulated such that the axial dispersion coefficient is chosen as a function of reactor residence time to optimize reactor performance.
About: This article is published in Chemical Engineering Science.The article was published on 1970-09-01. It has received 22 citations till now. The article focuses on the topics: Plug flow reactor model & Continuous stirred-tank reactor.
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TL;DR: In this article , an optimization approach for the synthesis of reactor networks is proposed, where a stage-wise superstructure containing a continuous stirred tank reactor (CSTR) and a plug flow reactor (PFR) is used to formulate the mathematical model without the use of differential equations and with a mixed-integer nonlinear programming (MINLP) formulation.
Abstract: Abstract In the present article, an optimization approach for the synthesis of reactor networks is proposed. A stage-wise superstructure containing a continuous stirred tank reactor (CSTR) and a plug flow reactor (PFR) is used to formulate the mathematical model without the use of differential equations and with a mixed-integer nonlinear programming (MINLP) formulation. To solve the optimization problem a bi-level meta-heuristic approach combining simulated annealing (SA) and particle swarm optimization (PSO) is used. Two case studies involving complex nonisothermal homogeneous reaction systems were used to test the applicability of this technique, and a methodology based on temperature profiles was developed to guide the search for operating temperatures during the optimization. The results achieved improvements in the objective function when compared to the majority of results reported in the literature, which demonstrates that the developed methodology is suitable to perform the reactor network synthesis in homogeneous systems.
TL;DR: In this paper, the effect of local mixing on the performance of a reactor system is derived by the perturbation technique and it is found that the sign of the inner product of the adjoint vector λ and the acceleration vector ẍ is the only indicator as to whether or not local mixing at a certain point of a reaction path is desirable.
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169 citations
TL;DR: In this paper, a quasi-linearization technique was used to solve non-linear differential equations of the two-point boundary value type encountered in chemical engineering, which can be used to overcome the boundary value difficulties in the calculus of variation.
26 citations