S No |
Experimental
Run |
% Conversion of p-cresol |
% Selectivity |
CTBE |
TBC |
DTBC |
1 |
Fresh |
70 |
9 |
74 |
13 |
2 |
Recycle 1 |
71 |
10 |
75 |
13 |
3 |
Recycle 2 |
70 |
9 |
75 |
13 |
4 |
Recycle 3 |
71 |
10 |
74 |
12 |
5 |
Recycle 4 |
71 |
10 |
73 |
14 |
6 |
Recycle 5 |
69 |
9 |
75 |
13 |
|
Reaction conditions: p-cresol; TBA (1:1) molar ratio; 25 wt% catalyst loading at
110°C, 3 h. |
Table 1: Recyclability of supported ionic liquid catalyst. |