Question: A reactor system is to be designed for a liquid-phase auto-catalytic reaction using chemical kinetics data provided by a chemist (refer to Figure Q2 on

 A reactor system is to be designed for a liquid-phase auto-catalytic

A reactor system is to be designed for a liquid-phase auto-catalytic reaction using chemical kinetics data provided by a chemist (refer to Figure Q2 on a separate sheet). Three mixing tanks which can be operated as Mixed Flow Reactors (MFR), with volumes V1=1000L,V2=200L,V3=100L, are available. The volumetric flow rate of the feed required is 10Lmin1 and the concentration of the reactant in this feed is 9molL1. (a) If the three mixing tanks were operated as three MFR in series, determine the final concentration of the reactant in the final product stream. (10 marks) (b) If the above auto-catalytic reaction were carried out in a single Plug Flow Reactor (PFR) with the same feed conditions, determine the volume of the PFR required to achieve the same final concentration of the reactant in the product stream. (10 marks) (c) If the above auto-catalytic reaction were carried out in a Recycle Reactor with the same feed conditions to achieve the same final concentration of the reactant in the product stream, deduce whether the volume of the Recycle Reactor required will be larger or smaller than that of the PFR designed in (b). Explain your answer qualitatively without designing the Recycle Reactor or performing any calculations. ( 5 marks) A reactor system is to be designed for a liquid-phase auto-catalytic reaction using chemical kinetics data provided by a chemist (refer to Figure Q2 on a separate sheet). Three mixing tanks which can be operated as Mixed Flow Reactors (MFR), with volumes V1=1000L,V2=200L,V3=100L, are available. The volumetric flow rate of the feed required is 10Lmin1 and the concentration of the reactant in this feed is 9molL1. (a) If the three mixing tanks were operated as three MFR in series, determine the final concentration of the reactant in the final product stream. (10 marks) (b) If the above auto-catalytic reaction were carried out in a single Plug Flow Reactor (PFR) with the same feed conditions, determine the volume of the PFR required to achieve the same final concentration of the reactant in the product stream. (10 marks) (c) If the above auto-catalytic reaction were carried out in a Recycle Reactor with the same feed conditions to achieve the same final concentration of the reactant in the product stream, deduce whether the volume of the Recycle Reactor required will be larger or smaller than that of the PFR designed in (b). Explain your answer qualitatively without designing the Recycle Reactor or performing any calculations. ( 5 marks)

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