Photocatalytic Activity of TiO₂-WO₃ Composites

Table 2

Adsorption of AR on the photocatalysts surface.

Photocatalyst	Adsorption of acid red/%
	Heat treatment temperature/^∘C
	—		400		600
	30  mg/L	10  mg/L	30  mg/L	10  mg/L	30  mg/L	10  mg/L
TiO2	19.8	21.5	14.8	26.9	2.0	14.1
TiO2-WO3-1%	28	36.5	16.8	32.5	3.7	14.6
TiO2-WO3-3%	15.8	38.4	7.8	16.7	—	—
TiO2-WO3-5%	14.1	12.6	15.2	20.5	15.9	21.3
TiO2-WO3-10%	0	1	2.8	5.8	0	0
TiO2-WO3-30%	0	0	0	0	0	0.5
TiO2-WO3-50%	0	0	0	0	0	0
TiO2-WO3-90%	0	0	0	0	0	0