Table 3 Mass transfer rate constant (a × kc), reaction rate constant (kobs), and Weisz and Prater criteria (kobsDc2/De) for liquid-solid mass transfer within particles at pH = 7.
Catalyst | a×kc (s− 1) | kobs (s− 1) | kobs×Dc2/De |
|---|---|---|---|
Pd/AC | 3.2 × 10− 2 | 7.6 × 10− 5 | 4.8 × 10− 2 |
Pd/PMF-700 | 1.6 × 10− 2 | 4.8 × 10− 4 | 3.1 × 10− 1 |
Pd/PMF-800 | 1.5 × 10− 2 | 9.9 × 10− 4 | 6.3 × 10− 1 |
Pd/PMF-900 | 1.6 × 10− 2 | 6.9 × 10− 4 | 4.4 × 10− 1 |