Rapid Photocatalytic Degradation of Methylene Blue under High Photon Flux UV Irradiation: Characteristics and Comparison with Routine Low Photon Flux

Table 2

Relative photonic efficiencies of photocatalytic degradation of MB with different optical path length and TiO₂ concentration.

Optical path length (cm)	Initial apparent photonic efficiency (%)
	Photon flux; 3.13 × 10^−6 einstein cm^−2 s^−1	Photon flux; 3.07 × 10^−9; einstein cm^−2 s^−1
(i) 0.67	0.235	2.25
(ii) 1	0.302	2.23
(iii) 2	0.329	2.01
(iv) 3	0.335	1.82
(v) 4	0.319	1.52
(vi) 5	0.298	1.36
(vii) 6	0.264	1.18
(viii) 7	0.242	1.09