Abstract
The dehydration reaction kinetics of castor oil was investigated with sodium bisulfate-sodium bisulfite mixture (SB-SB) or p-toluenesulfonic acid as catalyst. Reactions were carried out at 210, 220, and 230Z°C, and a kinetic model was determined for each case. The reactions with SB-SB catalyst at 210 and 220°C and with p-toluenesulfonic acid at 210°C followed second-order kinetics. A first-order rate equation showed the best fit to the experimental data for the reaction with SB-SB at 230°C. p-Toluenesulfonic acid-catalyzed reactions at 220 and 230°C were also first-order reactions. Additionally, some mathematical equations were derived between iodine value, refractive index, viscosity, and reaction time.
| Original language | English |
|---|---|
| Pages (from-to) | 409-412 |
| Number of pages | 4 |
| Journal | JAOCS, Journal of the American Oil Chemists' Society |
| Volume | 74 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1997 |
Keywords
- Castor oil
- Dehydrated castor oil
- Kinetics