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Photocatalytic Hydrogen Production Over Nanostructured Mesoporous Titania from Olive Mill Wastewater by Mohamed I. Badawy; Montaser Y. Ghaly; Mohamed E.M. Ali is a Environmental Science article available to read on EtoBox.

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In this study, nanostructure mesoporous titania (TiO 2 ) was prepared using sol-gel method from titanium tetrachloride. The prepared titania was characterized by X-ray diffraction (XRD). The textural and surface analysis was carried out using nitrogen adsorption-desorption technique. Also, the photocatalytic degradation of olive mill wastewater (OMW) with simultaneous hydrogen production was studied. The influence of catalyst dose and pH value of wastewater on the degradation of organic pollutants in wastewater and on the amount of evolved hydrogen was investigated. It was observed that the maximum amount of evolved hydrogen at a TiO 2 dose of 2 g/L and a solution pH value of 3 was (851 mL H 2 ) 38 mmol after 2 h of reaction. On the other hand, chemical oxygen demand (COD) was reduced by 92%. Based on the obtained results, a new process for H 2 production from wastewater can be achieved by coupling degradation of organic pollutants with photocatalytic H 2 production. The process also provides a method for degradation of organic pollutants with simultaneous H 2 production.

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Author

Mohamed I. Badawy; Montaser Y. Ghaly; Mohamed E.M. Ali

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0011-9164)

Published

2011

Language

EN

Field

Environmental Science (Physical Sciences)