Lab Report

8295 Words Feb 19th, 2011 34 Pages
Department of Chemical Engineering
CHME 426 –Chemical Engineering Laboratory III
Title Page (Full Report)

Title of the Experiment: Reaction through three CSTR in series

Submitted by: Group (4) Section: Female

1. Name: Amina Ali ID: 200550284
2. Name: Duaa Tabarak ID: 200553858
3. Name: Mariam Rustom ID: 200552242

Date of experiment: 31st March, 2010

Date of submission: 11th April, 2010

Grades:
Report presentation………………………………………… /15
Abstract and Objective(s)……………………………………/10
Introduction and Theory ……………………………………/10
Raw data………………………………………………………/05
Data Processing and calculations……………………………/20
Results and Discussion ………………………………………/25
Conclusions and Recommendations……………………….. /10
References …………………………………………………..
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[1]
In this experiment the reaction studied is

can be considered equimolar and first order with respect to both sodium hydroxide and ethyl acetate, i.e., second order overall, within the limits of concentration (0-0.1M) and temperature (20-40°C) studied.
The reaction carried out in a continuous stirred tank reactor or tubular reactor eventually reaches steady state when a certain amount of conversion of the starting reagents has taken place. The steady-state conditions will vary depending on concentration of reagents, flow rate, volume of reactor, and temperature of reaction. The above reaction can be studies using three CSTR in series and extent of conversion can be calculated at each reactor exit by measuring the conductivity of leaving stream. The final conversion at the exit of third reactor can be compared with the corresponding conversion of one reactor equal to sum of three reactor volumes connected in series. [2]

* Design equation for CSTR (1)

Equation (1) is can be used to investigate performance of CSTR for the given reaction. Also rate of reaction for reactors connected in series can be calculated. Putting the corresponding rate expression in equation (1) expression for conversion can be found and then

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