Figure 9

TOC removal of [Cnmim][BF4] (1 mmol/L) in US-ZVZ/AC system: [AC] = 0.15 g, [ZVZ] = 0.15 g, pH = 3.0 and ultrasound frequency = 45 kHz at 30 °C.

TOC removal of [Cnmim][BF4] (1 mmol/L) in US-ZVZ/AC system: [AC] = 0.15 g, [ZVZ] = 0.15 g, pH = 3.0 and ultrasound frequency = 45 kHz at 30 °C.