Feasible products for kinetically controlled reactive distillation of ternary mixtures

Shortcut method for kinetically controlled reactive distillation systems

“…The position of a reactive pinch point for the stripping section is a function of Ž the energy supplied to the separation Hauan et al, 2000b; . Chadda et al, 2000;Lee et al, 2000 along the reaction equilibrium curve. Thus, for a given energy duty, the reactive stripping profile starts from the bottom product composition and ends at the reactive pinch point.…”

“…One should note that the pinch points for reactive sections in a column always lie on the reaction equilibrium curve and their Ž positions are a function of the heat duty of the column Hauan . et al, 2000b;Chadda et al, 2000;Lee et al, 2000 . The branches of pinch points for both reactive and nonreactive column sections are obtained using homotopy continuation Ž .…”

Using feasible regions to design and optimize reactive distillation columns with ideal VLE

“…Metathesis reactions are important for rebalancing the light olefins obtained from steam cracking or catalytic cracking. Recent literature6, 8, 11 and patents13, 14 investigate the use of reactive distillation for olefin metathesis. We will study the metathesis of 2‐pentene to form 2‐butene and 3‐hexene shown in the following equation: The physical properties and reaction kinetics are taken from Okasinski and Doherty 6.…”

“…Then, the remaining parameters are varied to find a feasible set that achieves the given product specifications. There are also methods that use feasibility analysis7–9 to capture all possible design alternatives. In addition, optimization has been used to determine the most economical reactive distillation design alternatives 10, 11…”

Feasibility and synthesis of hybrid reactive distillation systems

“…internal flows. Chadda et al 2000 described an algorithm to calculate the feasible product regions for a single᎐feed, staged continuous column in the kinetic regime using pinch tracking methods and the design equations for the rectifying and stripping sections. However, that method is practically limited to ternary systems.…”