1. Chemical Reaction Engineering Asynchronous Video Series Chapter 3, Part 4: Reaction Stoichiometry Measures Other Than Conversion H. Scott Fogler, Ph.D.

3. Measures Other Than Conversion Uses:A. Membrane reactors B. Multiple reaction Liquids: Use concentrations, i.e., C A

4. Measures Other Than Conversion Uses:A. Membrane reactors B. Multiple reaction Liquids: Use concentrations, i.e., C A 1.For the elementary liquid phase reactioncarried out in a CSTR, where V, v o,C Ao,k, and K c are given and the feed is pure A, the combined mole balance, rate laws, and stoichiometry are:

5. Measures Other Than Conversion Uses:A. Membrane reactors B. Multiple reaction Liquids: Use concentrations, i.e., C A 1.For the elementary liquid phase reactioncarried out in a CSTR, where V, v o,C Ao,k, and K c are given and the feed is pure A, the combined mole balance, rate laws, and stoichiometry are:

6. Measures Other Than Conversion Uses:A. Membrane reactors B. Multiple reaction Liquids: Use concentrations, i.e., C A 1.For the elementary liquid phase reactioncarried out in a CSTR, where V, v o,C Ao,k, and K c are given and the feed is pure A, the combined mole balance, rate laws, and stoichiometry are:

7. Measures Other Than Conversion Uses:A. Membrane reactors B. Multiple reaction Liquids: Use concentrations, i.e., C A 1.For the elementary liquid phase reactioncarried out in a CSTR, where V, v o,C Ao,k, and K c are given and the feed is pure A, the combined mole balance, rate laws, and stoichiometry are:

8. Measures Other Than Conversion

10. 2. There are two equations, two unknowns, C A and C B

11. Measures Other Than Conversion Gases: Use molar flow rates, i.e., F I

12. Measures Other Than Conversion Gases: Use molar flow rates, i.e., F I

13. Measures Other Than Conversion Gases: Use molar flow rates, i.e., F I

14. Measures Other Than Conversion Gases: Use molar flow rates, i.e., F I

15. Measures Other Than Conversion Gases: Use molar flow rates, i.e., F I If the above reaction,,carried out in the gas phase in a PFR, where V, v o,C Ao,k, and K c are given and the feed is pure A, the combined mole balance, rate laws, and stoichiometry yield, for isothermal operation (T=To) and no pressure drop (  P=0) are:

16. Measures Other Than Conversion Gases: Use molar flow rates, i.e., F I If the above reaction,,carried out in the gas phase in a PFR, where V, v o,C Ao,k, and K c are given and the feed is pure A, the combined mole balance, rate laws, and stoichiometry yield, for isothermal operation (T=To) and no pressure drop (  P=0) are:

17. Measures Other Than Conversion Gases: Use molar flow rates, i.e., F I If the above reaction,,carried out in the gas phase in a PFR, where V, v o,C Ao,k, and K c are given and the feed is pure A, the combined mole balance, rate laws, and stoichiometry yield, for isothermal operation (T=To) and no pressure drop (  P=0) are: Use Polymath to plot F A and F B down the length of the reactor.

18. Measures Other Than Conversion Use Polymath to plot F A and F B down the length of the reactor. Given:

19. Measures Other Than Conversion Use Polymath to plot F A and F B down the length of the reactor. Given: V FAFA FBFB

20. Summary At the start of the chapter we saw we needed -r A =f(X). This result is achieved in two steps.

21. Summary At the start of the chapter we saw we needed -r A =f(X). This result is achieved in two steps. 1.Rate Laws –-r A =k f(C i ) –1st order A--> B or 1st order -r A =kC A

22. Summary At the start of the chapter we saw we needed -r A =f(X). This result is achieved in two steps. 1.Rate Laws –-r A =k f(C i ) –1st order A--> B or 1st order –2nd order A+B --> C –Rate laws are found by experiment -r A =kC A -r A =k A C A C B

23. Summary At the start of the chapter we saw we needed -r A =f(X). This result is achieved in two steps. 1.Rate Laws –-r A =k f(C i ) –1st order A--> B or 1st order –2nd order A+B --> C –Rate laws are found by experiment 2.Stoichiometry –Liquid: –Gas: -r A =kC A -r A =k A C A C B