1. Maleic Anhydride Production Dave Arnold Luke Kline Daniel Sweeney Craig Rogers

2. Overall Reactor Parameters Volume = 100 meters cubed Catalyst Amount = 130,000 kg Fbo = 0.4 kmol/s Foo = 0.2 kmol/s T = 595 K UA = 1 kW/(kg-cat*K) Delta P < 10%

3. Overall Reactor Parameters 22,000 tubes at 1 in diameter Reactor length -- 9 m Total cross-sectional area -- 11.15 m^2 Heat exchanger surface area -- 15,800 m^2

4. Reactor Scheme Butane + 3.5O 2 yields C 4 H 2 O 3 + 4H 2 O Butane + 6.5O 2 yields 4CO 2 + 5H 2 O C 4 H 2 O 3 + 3O 2 yields 4CO 2 + H 2 O Assuming Complete Combustion to Carbon Dioxide

5. Optimization of Butane flow rate

6. Optimization of Oxygen flow rate

7. Optimization of Reactor Average Temperature

8. Temperature optimization

9. Catalyst Geometry

10. Profit and Expenses Maleic Anhydride -- $0.82 per lb Vanadium pentoxide -- $4.08 per lb Revenue -- $77.57 million Expenses –Catalyst -- $1.17 million per charge –Air cooled heat exchanger -- $200,000