[3] Anca F C, Corneliu C, Apostolos A, et al. Journal of Hazardous Materials, 2007, (144): 265.

[4] Mohamad S, Daniel V, Corinne F, et al. Applied Catalysis B: Environmental, 2007, (77): 1.

[5] Emilio C A, Magallanes J F, Litter M I. Analytica Chimica Acta, 2007, (595): 89.

[6] Box G E P, Behnken D W. Technometrics, 1960, 2: 455.

[7] Bali U. Dyes & Pigments, 2004, 60: 187.

[9] Plackett R L, Burman J P. Biometrika, 1946, 33: 305.

[10] Levin L, Forchiassin F, Viale A. Process Biochemistry, 2005, 40: 1381.

[11] Dura′n A, Monteagudo J M, Mohedano M. Applied Catalysis B: Environmental, 2006, (65): 127.

[12] Duran A, Momteagudo J M. Water Research, 2007, 41(3): 690.

[14] Ioannis K K, Triantafyllos A A. Applied Catalysis B: Environmental, 2004, (49): 1.