PHOTOCATALYTIC DEGRADATION OF PHENOL IN AQUEOUS SOLUTIONS BY FE (III)-DOPED TIO2/UV PROCESS

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HEMMATI BORJI S.; NASSERI S.; NABIZADEH R.; MAHVI A.H.; JAVADI A.H.

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Journal: IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT Year:2011 | Volume:3 | Issue:4 (10) Page(s): 369-380

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Title

PHOTOCATALYTIC DEGRADATION OF PHENOL IN AQUEOUS SOLUTIONS BY FE (III)-DOPED TIO2/UV PROCESS

Author(s)

Keywords

PHOTOCATALYTIC PROCESSQ3

PHENOLQ2

FE (III) -DOPED TIO2Q3

SOL-GEL METHODQ2

AQUEOUS SYSTEMQ2

Abstract

Backgrounds and Objectives: PHENOL and PHENOLic compounds are widely used in industry and daily liFe, and are of high interest due to stability in the environment, dissolution ability in water and health problems. In this regard, PHENOL removal from water is of high importance. The purpose of this study was to investigate the efficiency of photodegradation process for removal of PHENOL from AQUEOUS SYSTEM by use of Fe-doped TiO2 nanoparticles prepared by SOL-GEL METHOD.Materials and Methods: PHENOL concentrations of 5, 10, 50 and 100 mg/L were prepared and exposed to UV and Fe-doped TiO2, separately and simultaneously. Also the effect of initial PHENOL concentration, Fe-doped TiO2 loading and pH were studied. Various doses of photocatalist investigated for Fe- doped TiO2 were 0.25, 0.5 and 1 g/L. pH was studied at three ranges, acidic (pH=3), neutral (pH=7) and alkaline (pH=11).Results: Maximum degradation was obtained at acidic pH, 0.5 g/L of Fe-doped TiO2 for all of PHENOL concentrations. With increasing initial concentration of PHENOL, photocatalytic degradation decreased. In comparison with Fe-doped TiO2/UV process, efficiency of UV radiation alone was low in PHENOL degradation (% 64.5 at 100 mg/l of PHENOL concentration). Also the amount of PHENOL adsorbed on the Fe-doped TiO2 was negligible at dark conditions.Conclusion: Results of this study showed that Fe (III) - doped TiO2 nanoparticles had an important effect on photocatalytic degradation of high initial PHENOL concentration when Fe (III) -doped TiO2/ UV process applied.

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APA: Copy

HEMMATI BORJI, S., NASSERI, S., NABIZADEH, R., MAHVI, A.H., & JAVADI, A.H.. (2011). PHOTOCATALYTIC DEGRADATION OF PHENOL IN AQUEOUS SOLUTIONS BY FE (III)-DOPED TIO₂/UV PROCESS. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 3(4 (10)), 369-380. SID. https://sid.ir/paper/146021/en

Vancouver: Copy

HEMMATI BORJI S., NASSERI S., NABIZADEH R., MAHVI A.H., JAVADI A.H.. PHOTOCATALYTIC DEGRADATION OF PHENOL IN AQUEOUS SOLUTIONS BY FE (III)-DOPED TIO₂/UV PROCESS. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2011;3(4 (10)):369-380. Available from: https://sid.ir/paper/146021/en

IEEE: Copy

S. HEMMATI BORJI, S. NASSERI, R. NABIZADEH, A.H. MAHVI, and A.H. JAVADI, “PHOTOCATALYTIC DEGRADATION OF PHENOL IN AQUEOUS SOLUTIONS BY FE (III)-DOPED TIO₂/UV PROCESS,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 3, no. 4 (10), pp. 369–380, 2011, [Online]. Available: https://sid.ir/paper/146021/en

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