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PHOTOCATALYTIC CRACKING OF n-NONAN BY SENSITIZED TITANIUM DIOXIDE | ||
| journal of al-qadisiyah for pure science(quarterly) | ||
| Article 1, Volume 7, Issue 2, 2007, Pages 142-154 PDF (0 K) | ||
| Authors | ||
| S. A. Naman; S. M. Aliwi; A. A. Al-Fatlawy | ||
| Abstract | ||
| The photocracking of n - nonane hydrocarbon (C9H20) by sensitized TiO2 was investigated. High pressure Hg-lamp with metal halide additive (Type 150 Z2 Huna Immersion Lamp) was used as irradiation source (200-600) nm. in a thermostatic vessel ( 250 ml.) at 298 K. Many parameters on the photocatalytic cracking processes has been explored in order to find the optimum conditions for this sensitized photocatalytic processes such as : the concentration of TiO2, the concentration of riboflavin sensitizer deposited on TiO2 , sensitized TiO2 particle size , the effect of flow rate of air , the effect of riboflavin sensitizer was studied. Also the effect of temperature on photocracking of n- nonane by sensitized TiO2. Gas chromatographic technique using FID was used to identify the photocatalytic products of hydrocarbons . According to the experiments results obtained , reaction mechanisms of the photocracking processes of n- nonane by sensitized TiO2 are suggested. | ||
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