Hexagonal mesoporous silica SBA-15 was prepared by the hydrothermal method described by Zhao et al. [4] and [31]. The synthesis was performed in polypropylene bottle. The synthesis procedure was as follows. A polypropylene bottle was loaded with 0.5 g of triblock copolymer Pluronic P123 (BASF) and 19 ml of 1.6 M HCl (Chempur). When the surfactant was dissolved, 1.1 g of tetraethyl orthosilicate (TEOS, Aldrich, 98%) was added dropwise. The final mixture of: 10 g P123: 0.10 mol TEOS: 0.60 mol HCl: 20 mol H2O was stirred at 35 °C for 6 h and then it was placed in an oven for 24 h at 35 °C and subsequently for 6 h at 100 °C. The white solid product was filtered without washing and dried at 100 °C for 24 h in air oven. Finally, the product was calcined at 550 °C in air to remove the template.