Synthesis of eco-friendly ZnO-based heterophotocatalysts with enhanced properties under visible light in the degradation of organic pollutants

Environmental Systems Research

Table 6 Photodegradation of PAHs in alkaline mine drainage

PAHs	Initial concentration	Catalyst	20 min Dark	40 min Dark	60 min Dark	20 min Solar	40 min Solar	60 min Solar	Catalyst	20 min Dark	40 min Dark	60 min Dark	20 min Solar	40 min Solar	60 min Solar
NAP	0.7615	MO/GS/A/ZnO/Ag	0.7528	0.7518	0.7511	0.5005	0.5013	0.3780	ZnO/Ag	0.7547	0.7545	0.7540	0.5253	0.5102	0.4955
ACY	0.2596		0.2437	0.2414	0.2403	0.0419	0.0291	0.0210		0.2509	0.2501	0.2449	0.1974	0.0976	0.1003
ACE	0.0020		0.0016	0.0017	0.0017	0.0010	0.0001	0.0001		0.0018	0.0018	0.0016	0.0014	0.0012	0.0012
FL	0.0030		0.0019	0.0018	0.0019	0.0009	0.0010	0.0009		0.0026	0.0025	0.0022	0.0019	0.0012	0.0011
PHE	0.0447		0.0438	0.0427	0.0416	0.0297	0.0270	0.0261		0.0445	0.0443	0.0439	0.0371	0.0318	0.0211
ANT	0.5388		0.5157	0.4974	0.4831	0.2119	0.2005	0.2004		0.5208	0.5193	0.5037	0.4724	0.3816	0.3799
FLU	0.0039		0.0028	0.0027	0.0027	0.0021	0.0016	0.0011		0.0032	0.0031	0.0029	0.0026	0.0025	0.0017
PYR	0.0019		0.0016	0.0015	0.0015	0.0013	0.0012	0.0012		0.0018	0.0017	0.0017	0.0017	0.0016	0.0014
BaA	0		0	0	0	0	0	0		0	0	0	0	0	0
CHY	0		0	0	0	0	0	0		0	0	0	0	0	0
BbF	0		0	0	0	0	0	0		0	0	0	0	0	0
Blkf	0		0	0	0	0	0	0		0	0	0	0	0	0
BaP	0		0	0	0	0	0	0		0	0	0	0	0	0
DahA	0		0	0	0	0	0	0		0	0	0	0	0	0
IP	0		0	0	0	0	0	0		0	0	0	0	0	0
Bghip	0		0	0	0	0	0	0		0	0	0	0	0	0
PAHs photodegradation	1.6154		1.5639	15.410	1.5239	0.7893	0.7618	0.6288		1.5803	1.5773	1.5549	1.2398	1.0277	1.0022