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.