5TH International Congress on Technology - Engineering & Science - Kuala Lumpur - Malaysia (2018-02-01)

Photocatalytic Performance Of H6p2w18o62/tio2/beta Zeolite Nanocomposite In The Degradation Of Methyl Orange

Photodegradation of organic contaminations has been attracted more attention due to their environmental aspect. In this work, neat and supported H6P2W18O62 into nanocage of -zeolite were synthesized. However, H6P2W18O62 into nanocage of -zeolite was synthesized via template synthesis method. In addition, TiO2 was supported on H6P2W18O62 / zeolite by impregnation method. The obtained materials were characterized by XRD, FT-IR, UV-Vis, FESEM and EDS techniques. The W and Ti content of the catalyst were determined by ICP and EDS technique. The results reveal that the photocatalyst performance depends on catalyst loading, pH effect, and methyl orange concentration. Photocatalytic degradation of methyl orange follow a pseudo-first order kinetic. The Chemical Oxygen Demand (COD) experimental proved mineralization of methyl orange. Another reason for degradation and mineralization of methyl orange is the absence of hydrazine at the end of reaction. The plausible mechanism for photodegradation of MO was proposed.
maryam moosavifar, maryam nejat-dehkordi