Table 7.

Mean efficiency and kinetic order degradation of PCE at various pH, subjected to US/UVC reactor

C 0 ( mg/L)	pH	Efficiency (%)	k(1/min)	Reaction order
10	9	88.85	0.0194	First
10	7	91.36	0.0221	First
10	5	91.89	0.0215	First
3	9	82.97	0.035	First
3	7	88.057	0.0518	First
3	5	86.67	0.0545	First
0.3	9	71.24	0.0436	First
0.3	7	81.38	0.0339	First
0.3	5	82.05	0.0393	First