Research on the Degradation of Phenanthrene with Potassium Ferrate and the Process by Fluorescence

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Abstract:

The degradation of phenanthrene by potassium ferrate was researched by means of multiple fluorescence spectroscopic methods such as emission, time-scan, excitation emission matrix (EEM) and photometry, with which the characteristics of phenanthrene molecular changes were discussed within degradation, especially, the kinetics of the degradation was obtained efficietly. From the experimental data, both synchlorous and EEM spectra showed that concentration of phenanthrene was reduced 69.5% degraded by potassium ferrate within 17 s, 91% within 57 s, and the reaction’s processing was very slowly after 57 s. The degradation’s kinetic equation: ln(F0/Ft)=5365.64 - 294.93t, (R2=0.9677), was obtained simply through a convenient way that just combined time-scan fluorescence, emission photometry. according to the kinetic equation, the degradation of phenanthrene by potassium ferrate was in accord with the order of the first order reaction. Which could provide a very usefull conference for the research of degradation of the other pollutants such as POPs by potassium ferrate.

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Advanced Materials Research (Volumes 550-553)

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2354-2360

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July 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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