Selective Removal of Perfluorooctanoic Acid Using Molecularly Imprinted Polymer-Modified TiO₂ Nanotube Arrays

Table 4

Apparent rate constant and selectivity for photocatalytic degradation in single-solute solution.

Pollutant	(min^−1) or	MIP-TiO2 NTs	NIP-TiO2 NTs
PFOA		0.0044	0.0024
		—	1.83
PFHA		0.0032	0.0025
		—	1.28
PFOS		0.0024	0.0015
		—	1.6
2,4-D		0.0012	0.001
		—	1.2

is calculated as /. and represent pollutant degradation rate in the presence of MIP-TiO₂ NTs and NIP-TiO₂ NTs, respectively.