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Homework answers / question archive / Write 12 pages thesis on the topic continuous stirred tank reactors

Write 12 pages thesis on the topic continuous stirred tank reactors


Write 12 pages thesis on the topic continuous stirred tank reactors. We have implemented two experiments and we have compared their results with numerical simulations. We have confirmed the variations of salt concentration with time in each tank and we compared with results expected from theoretical equations.

In the chemical industry, it is common practice to use a number of tanks connected in series equipped with agitators. These systems are frequently used to know the time required to reduce the concentration of off-quality material in the system below a certain acceptable limit.

In this research, we have studied continuous stirred tanks connected in series, and we evaluated experimentally the variation in concentration in the series configuration. We have confirmed the exponential decay of the concentration initial varying with time within the first tank. In addition, we have proved the characteristic profile for subsequent tanks connected in series: Initially starts to grow and then begin to decay exponentially with time.

On the other hand, we have studied the conversion of reactants as a function of flowrate. In order to calculate conversion factors, we have implemented Simpson’s rule to integrate numerically the area under the curves experimentally. Thus, we have confirmed the predicted concentration as a function with time in the continuous stirred tanks.

Nowadays, the chemical industry has processes that involve the mix of reactants to a cascade of several continuous reactors in series, i.e. CSTR. In thanks-in-series reactor configuration the effluent of one reactor is entering a second one and so on [1]. The rate of reaction in each tank is affected by the concentration of the reactants at any specific time. For the manufacture of organic chemicals and pharmaceutical products, the liquid phase reactions are carried out on a small to medium scale. For example, in order to produce ethanol is necessary to get a reaction between sodium hydroxide and ethyl acetate [2].

In order to simplify the model, in this research, we assume that there is no chemical reaction. The residence time behavior of a dissolved salt through a cascade of three continuous stirred tanks is examined at different flowrates for a constant starting concentration of salt.

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