QRC Computer Controlled Chemical Reactors

11.2.- CHEMICAL REACTORS
COMPUTER CONTROLLED CHEMICAL REACTORS TRAINER - QRC

Laboratories

11TV
 Technical and Vocational Education Chemical Engineering Laboratory
11HE
 Higher Education Chemical Engineering Laboratory
11PTC
 Petroleum Training Center Laboratory

Accessories

Exercises and guided practices

GUIDED PRACTICAL EXERCISES INCLUDED IN THE MANUAL

Practices to be done with the Continuous Stirred Tank Reactor (QRCAC):

  1. Determination of the ionic conductivities.
  2. Batch operation. Obtaining of the reaction order respect to ethylacetate. Initial velocity method.
  3. Batch operation. Obtaining of the reaction order respect to sodium hydroxide. Initial velocity method.
  4. Batch operation. Velocity Constant Computation. Constant sodium hydroxide initial concentration.
  5. Batch operation. Velocity Constant Computation. Constant ethylacetate initial concentration.
  6. Velocity equation formulation.
  7. Batch operation. Variation of the kinetic constant with temperature. Arrhenius Equation.
  8. Batch operation. Theoretical and experimental conversion comparative. Deviation from ideality.
  9. Batch operation. Mixture effects.
  10. Continuous operation.
  11. Continuous operation. Mixture effects.
  12. Conductivity measurement system: conductimeter.
  13. Variation of conversion with residence time.
  14. Residence time distribution.
  15. Determination of the reaction rate constant.
  16. Sensors calibration.

Practices to be done with the Tubular Flow Reactor (QRTC):

  1. Analysis of reagents and products.
  2. Ionic conductivities determination.
  3. Theoretical conversion of the tubular reactor.
  4. Experimental determination of the conversion of the tubular reactor.
  5. Dependence of the residence time.
  6. Determination of the reaction order.
  7. Dependence of the speed constant and the conversion with the temperature.
  8. Conductivity measurement system: conductimeter.
  9. Complete emptying of the unit.
  10. Determination of the reaction rate constant.
  11. Sensors calibration.

Practices to be done with the Batch Reactor (QRDC):

  1. Determination of the ionic conductivities.
  2. Batch operation. Calculation of the order of the reaction referred to the ethyl-acetate. Initial velocity method.
  3. Batch operation. Determination of the order of the reaction referred to the sodium hydroxide. Initial velocity method.
  4. Batch operation. Determination of the speed constant, the initial concentration of the sodium hydroxide is constant.
  5. Batch operation. Determination of the speed constant, the initial concentration of the ethyl acetate is constant.
  6. Formulation of the speed equation.
  7. Batch operation. Variation of the kinetic constant when the temperature is not constant: Arrhenius equation.
  8. Batch operation. Comparison of the theoretical and the experimental conversion: Deviation from the ideality.
  9. Calculation of the heat transference coefficient of the coil.
  10. Calculation of the hydrolysis reaction enthalpy.
  11. Batch operation. Mixture effects.
  12. Conductivity measurement system: conductimeter.
  13. Sensors calibration.

Practices to be done with Stirred Tank Reactors in Series (QRSC):

  1. Investigation of dynamic behaviour of stirred tank reactors in series.
  2. Determination of the ionic conductivities.
  3. Influence of flow rate.
  4. Work with just one reactor in continuous.
  5. Work with just one reactor in continuous with mixture effects.
  6. Work with 3 reactors in continuous.
  7. Effect of step input change.
  8. Response to an impulse change.
  9. Investigation of time constant using dead time coil.
  10. Sensors calibration.

Practices to be done with the Laminar Flow Reactor (QRLC):

  1. Determination of the residence time distribution of the reactor.
  2. Effect of flow rate and feed concentration on the determination of flow pattern.
  3. Steady state conversion for a reaction with laminar flow.
  4. Effect of flow rate and feed concentration on the steady state conversion.
  5. Demonstration of the flow pattern in the reactor and comparison with the theoretical model.
  6. Effect of the temperature on the laminar flow characterisation.
  7. Determination of the steady state conversion of a second order reaction.
  8. Flow pattern characterisation in a laminar flow reactor.
  9. Conductivity measurement system: conductimeter.
  10. Sensors calibration.

Practices to be done with Plug Flow Reactor (QRPC):

  1. Determination of the residence time distribution of the reactor.
  2. Effect of flow rate and feed concentration on the determination of flow pattern.
  3. Study of the reactor response to different perturbations: step and pulse change.
  4. Effect of flow rate and feed concentration on the steady state conversion.
  5. Demonstration of the flow pattern in the reactor and comparison with the theoretical model.
  6. Determination of the steady state conversion of a second order reaction.
  7. Understanding the principles of tracer techniques in flow pattern characterisation.
  8. Conductivity measurement system: conductimeter.
  9. Sensors calibration.
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MORE PRACTICAL EXERCISES TO BE DONE WITH THE UNIT

  1. Many students view results simultaneously. To view all results in real time in the classroom by means of a projector or an electronic whiteboard.
  2. Open Control, Multicontrol and Real Time Control. This unit allows intrinsically and/or extrinsically to change the span, gains, proportional, integral, derivate parameters, etc, in real time.
  3. The Computer Control System with SCADA and PID Control allow a real industrial simulation.
  4. This unit is totally safe as uses mechanical, electrical and electronic, and software safety devices.
  5. This unit can be used for doing applied research.
  6. This unit can be used for giving training courses to Industries even to other Technical Education Institutions.
  7. Control of the unit process through the control interface box without the computer.
  8. Visualization of all the sensors values used in the unit process.
  9. By using PLC-PI additional 19 more exercises can be done.
  10. Several other exercises can be done and designed by the user.

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