Boundary Layer of Photon Absorption Applied to Heterogeneous Photocatalytic Solar Flat Plate Reactor Design

Table 2

Average optical properties of commercial photocatalysts based on titanium dioxide under solar radiation.

Catalyst	⟨𝜎^∗⟩ ×10^−4; (cm^2 g^−1)	⟨𝜅^∗⟩ ×10^−3; (cm^2 g^−1)	𝛽 ×10^−4; (cm^2 g^−1)	𝜔	𝜔corr
Aldrich	3.73	2.43	3.98	0.94	0.84
Degussa	5.42	2.87	5.71	0.95	0.87
Merck	2.97	2.68	3.24	0.92	0.81
Hombikat	2.52	1.17	2.64	0.96	0.88
Fischer	1.60	2.65	1.86	0.86	0.72
Fluka	1.64	2.89	1.92	0.85	0.71