PHOTOCATALYTIC DEGRADATION OF PHENOL BY IMMOBILIZED NANO ZNO ON CONCRETE SURFACE

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ZAMANKHAN HESAM; AYATI BITA; GANJIDOUST HOSSEIN

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Journal Paper

Paper Information

Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2013 | Volume:31 | Issue:3-4 (66) Page(s): 9-19

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Title

PHOTOCATALYTIC DEGRADATION OF PHENOL BY IMMOBILIZED NANO ZNO ON CONCRETE SURFACE

Author(s)

ZAMANKHAN HESAM | AYATI BITA | GANJIDOUST HOSSEIN | Issue Writer Certificate

Keywords

PHOTOCATALYSTQ2

NANO ZNOQ2

PHENOL REMOVALQ2

CONCRETE SURFACEQ2

UV LAMPQ2

Abstract

Phenol is a toxic and refractory water pollutant that cannot be completely degraded through common wastewater treatment methods. Methods such as active carbon adsorption, oxidation or biological digestion are not satisfying enough and only convert the pollutant from one phase to another, or may produce much more other toxic substances. The photo catalysis process is a new promising methodology among highly efficient methods for elimination of relatively recalcitrant organic compounds. Furthermore, application of nano materials as catalyst has successfully improved the efficiency of this method in this report; the aqueous oxidation of phenol over ZnO is investigated as a potential method for abatement of this pollutant. Concrete has been used as the immobilized surface and activation energy was provided with 8W UV-A lamps. Results of the SEM test also confirm an appropriate cover of ZnO on the CONCRETE SURFACE. The effects of operating parameters such as the initial phenol concentration, the light intensity, the dosage of ZnO particles, and pH were studied The photocatalytic system afforded the highest degradation efficiency at C0=50 mg/L, ZnO=80 g/m2, pH=11, light intensity=32 Wand over 90% of the initial phenol was degraded after 5 hours.

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APA: Copy

ZAMANKHAN, HESAM, AYATI, BITA, & GANJIDOUST, HOSSEIN. (2013). PHOTOCATALYTIC DEGRADATION OF PHENOL BY IMMOBILIZED NANO ZNO ON CONCRETE SURFACE. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 31(3-4 (66)), 9-19. SID. https://sid.ir/paper/26020/en

Vancouver: Copy

ZAMANKHAN HESAM, AYATI BITA, GANJIDOUST HOSSEIN. PHOTOCATALYTIC DEGRADATION OF PHENOL BY IMMOBILIZED NANO ZNO ON CONCRETE SURFACE. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2013;31(3-4 (66)):9-19. Available from: https://sid.ir/paper/26020/en

IEEE: Copy

HESAM ZAMANKHAN, BITA AYATI, and HOSSEIN GANJIDOUST, “PHOTOCATALYTIC DEGRADATION OF PHENOL BY IMMOBILIZED NANO ZNO ON CONCRETE SURFACE,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 31, no. 3-4 (66), pp. 9–19, 2013, [Online]. Available: https://sid.ir/paper/26020/en

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