Reactor Design 7

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Reactor Design 7

  1. 1. Polymer/Chemical Reactor Design Muhammad Zafar Iqbal
  2. 2. Today <ul><li>Plug flow reactors in series and in parallel </li></ul><ul><li>CSTR single Vs CSTR in series </li></ul><ul><li>PFR Vs CSTR </li></ul><ul><li>How to tackle with practical problems in dealing with CSTR </li></ul><ul><li>You have the reactors but unknown conversions </li></ul><ul><li>You know the conversion and need to design the system following that conversion needs. </li></ul><ul><li>Next Lecture: Recycle Reactors + Autocatalytic Reactors </li></ul><ul><li>Brief discussion and concepts </li></ul>
  3. 3. Solve Yourself
  4. 4. CSTR if single and if in series??? <ul><li>For two CSTR in series, 40 % conversion is achieved in first reactor. What is the total volume of the two reactors necessary for 80% overall conversion of a species entering reactor “1”? (F A0 = 0.867 mol/sec), F An = F A0 (1- X An ) </li></ul><ul><li>Data: </li></ul><ul><li>X -r A (mol/lit.sec.) </li></ul><ul><li>0.0 0.0053 </li></ul><ul><li>0.1 0.0052 </li></ul><ul><li>0.3 0.0050 </li></ul><ul><li>0.4 0.0045 </li></ul><ul><li>0.5 0.0040 </li></ul><ul><li>0.6 0.0033 </li></ul><ul><li>0.7 0.0018 </li></ul><ul><li>0.8 0.00125 </li></ul><ul><li>0.85 0.00100 </li></ul>Requirements: a- Single CSTR X= 80% b- Single PFR X= 80% c- Two CSTRs equal sized d- Two PFRs equal sized e- 8 CSTRs equal sized f- 8 PFRs equal sized g- PFR + CSTR H- CSTR + PFR i- CSTR + PFR + CSTR J- PFR+ CSTR + PFR

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