Table 1 Results of [C4mim][BF4] degradation in US-ZVZ/AC system under the different conditions.

From: Degradation of 1-alkyl-3-methylimidazolium tetrafluoroborate in an ultrasonic zero-valent zinc and activated carbon micro-electrolysis system

pH

AC/ZVZ ratio

AC/ZVZ dosage

US

(Degradation rate)max within 120 min

3

1:1

0.15 g/0.15 g

45 kHz

93.00

4

1:1

0.15 g/0.15 g

45 kHz

67.17

5

1:1

0.15 g/0.15 g

45 kHz

69.66

6

1:1

0.15 g/0.15 g

45 kHz

60.17

3

2:1

0.15 g/0.075 g

45 kHz

49.87

3

1:1

0.15 g/0.15 g

45 kHz

93.00

3

1:2

0.15 g/0.3 g

45 kHz

90.49

3

1:1

0.1 g/0.1 g

45 kHz

87.93

3

1:1

0.2 g/0.2 g

45 kHz

91.37

3

1:1

0.3 g/0.3 g

45 kHz

93.31

3

1:1

0.15 g/0.15 g

45 kHz

93.00

3

1:1

0.15 g/0.15 g

45 kHz

93.00

3

1:1

0.15 g/0.15 g

Without US

47.89

  1. [C4mim][BF4] concentration: 1 mmol/L, Degradation temperature: 30 °C.