Reactors can widely form, depending on the nature of the feed materials and the products. The design and operation of chemical reactors is thus crucial to the whole success of the industrial operation. INTRODUCTION In the majority of industrial chemical process, a reactor is the key item of equipment in which raw materials undergo a chemical change to form desired product. From the graph we can determine the effect of the step change and pulse input to the concentration. Then the graph of the conductivity versus time was plotted The graph that has been plotted is accordingly to the theory. After that, readings are continuously taken every 3 minutes until to the point that the conductivity values for the three reactors are closed to each other. The only readings were taken at time to after we get the readings of the conductivity are stable enough where the readings of the conductivity are quit similar from one to another. The flow rate of the deionised water is set to 150 ml/min to prevent from over flow. Then deionised water from the tank two will flow through to fill up the three reactors. 1st the deionised water are filled in the both two tanks with the sodium chloride were diluted in the tank one. Our objective in this experiment is to determine the concentration response to a step change and pulse input and also to determine the effect of residence time on the response curve. Although the concentration is uniform for each reactor but there is a change in concentration as fluids move over from reactor to reactor. Our system consists of 3 agitated, glass reactor vessels in series. SUMMARY Our experiment involves a continuous stirred tank reactor (CSTR) in series.
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