Figure 5. Alkylate components as a function of recycle times. (a) ChCl-Pho (1:2) at 1.0 wt%. (b) ChCl-TsOH (1:1) at 1.0 wt%. Reaction conditions: temperature 281.2 K, stirring rate 3000 r/min, reaction time 15 min, volume ratio of H2SO4/hydrocarbon 1.5:1, volume ratio of I/O 8:1.