Photocatalytic Oxidation of Trichloroethylene in Water Using a Porous Ball of Nano-ZnO and Nanoclay Composite

Table 1

Physical and chemical properties of ZnO.

Purity	Mean diameter (nm)	Specific surface (m^2⋅g^−1)	Dry loss (%)	Combustion loss (%)	Pb (%)	Cu (%)
99.7%	30	>90	<0.3	<0.2	≤0.037	≤0.0002