Removal of Antibiotics from Real Hospital Wastewater by Cold Plasma Technique

Table 1

Reaction kinetics models for the decomposition of four antibiotics.

Antibiotics	Initial conc. (mg/L)	Reaction order	Regression equation	R^2	Rate constant	t1/2 (min)
Ofloxacin	41.23	1	y = 0.0333x + 0.0993	0.9214	0.0333 ()	20.82
		2	y = 0.0014x + 0.0258	0.9737	0.0014 ()	17.32
		3	y = 0.0001x + 0.0005	0.9896	5 × 10^−5 ()	1.76
Ciprofloxacin	1.052	1	y = 0.2332x − 0.082	0.9790	0.2332 ()	2.97
		2	y = 0.6232x + 0.2062	0.8349	0.6232 ()	1.53
		3	y = 4.2432x − 6.4031	0.6643	2.122 ()	0.64
Cefuroxime	0.273	1	y = 0.2421x − 0.0918	0.9626	0.2421 ()	2.86
		2	y = 2.6828x + 0.234	0.7739	2.683 ()	1.37
		3	y = 79.501x − 131.03	0.5925	39.75 ()	0.51
Amoxicillin	23.58	1	y = 0.0319x + 0.195	0.9107	0.0319 ()	21.73
		2	y = 0.0026x + 0.0498	0.9711	0.0026 ()	16.31
		3	y = 0.0004x + 0.002	0.9826	2 × 10^−4 ()	13.49