Photodegradation of p-cresol by zinc oxide under visible light
The degradation of p-cresol was carried out under visible light (46% sunlight) by zinc oxide as photocatalyst. To measure the efficiency of photodegradation, the different variables studied included amount of photocatalyst, concentration of p-cresol and pH. The maximum amount of photocatalyst and re...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Center of Promoting Ideas
2011
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| Online Access: | http://psasir.upm.edu.my/id/eprint/25127/1/Photodegradation%20of%20p-cresol%20by%20zinc.pdf http://psasir.upm.edu.my/id/eprint/25127/ |
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| Summary: | The degradation of p-cresol was carried out under visible light (46% sunlight) by zinc oxide as photocatalyst. To measure the efficiency of photodegradation, the different variables studied included amount of photocatalyst, concentration of p-cresol and pH. The maximum amount of photocatalyst and removed p-cresol was 1.5g/L and 25ppm respectively. The photodegradation was favorable in the pH 7-9 range. In optimum condition, total organic carbon (TOC) studies show that 94% of total organic carbon is removed from solution during irradiation time. As a result zinc oxide can remove p-cresol from wastewater under visible light irradiation, and being more economic than UV light could be applied on an industrial scale. |
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