Colina et al. (1970) proposed the following rate expression for SO2 oxidation in the presence of vanadium-pentoxide catalyst.

where, 

Assume the following:

• Inlet rate of SO2 = 100 kmol/hr
• Inlet oxygen to SO2 mole ratio = 2
• Inlet temperature = 420 C
• Inlet pressure = 3 atm

Perform the following calculations

1. Estimate the mass of catalyst (derive an explicit expression, show the steps in the answer book) for a SO2 conversion of 0.4.
2. Solve any one

   of the following

   1. Include the above kinetics and numerically integrate the equations assuming an Ideal gas behaviour, to find the mass of the catalyst for a conversion of 0.4
      OR

   2. Simulate a single PFR in DWsim with the following bed parameters

      1. Catalyst loading: 330 kg/m^3
      2. Particle diameter: 5 mm
      3. Void fraction: 0.5
      4. Reactive volume 6 m^3
      5. Diameter of tube 2.5 m

3. Reaction rate expression: In the text box below

   1. Copy paste the python expression for the reaction_rate() function
      OR
   2. Copy paste the DWsim expressions for the reaction rate

4. Calculated values

   : Enter in the box below

   1. Estimated mass of catalyst (in kg):
   2. Numerically integrated mass of catalyst (in kg): 
      OR

   3. DWsim calculation of 

      1. Outlet conversion
      2. Outlet temperature

5. Complete script

   : In the file attachment below

   1. Upload the entire python script
      OR
   2. Upload the dwsim file (dwxmz)

Permitted resources

1. Python code template provided in the course
2. DWsim file of solved example problem

Resources not permitted, examples:

1. any local or online code editor or IDE that is linked with a AI based code generator
2. any chatbot or search engine that provides codes or steps of coding logic
3. codes written by other students