The document discusses different reactor designs including plug flow reactors, continuously stirred tank reactors (CSTR) alone and in series, and provides an example problem calculating the total volume of two CSTRs in series needed to achieve 80% conversion given 40% conversion in the first reactor. It also lists additional practice problems involving designing systems using single and multiple CSTRs and PFRs arranged in series and parallel to achieve various conversions.

1. Polymer/Chemical Reactor Design Muhammad Zafar Iqbal

2. Today Plug flow reactors in series and in parallel CSTR single Vs CSTR in series PFR Vs CSTR How to tackle with practical problems in dealing with CSTR You have the reactors but unknown conversions You know the conversion and need to design the system following that conversion needs. Next Lecture: Recycle Reactors + Autocatalytic Reactors Brief discussion and concepts

3. Solve Yourself

4. CSTR if single and if in series??? 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 ) Data: X -r A (mol/lit.sec.) 0.0 0.0053 0.1 0.0052 0.3 0.0050 0.4 0.0045 0.5 0.0040 0.6 0.0033 0.7 0.0018 0.8 0.00125 0.85 0.00100 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