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Title

OZONATION OF MELAMINE OCCURRING IN PETROCHEMICAL INDUSTRIES WASTEWATER

Pages

 Start Page 21 | End Page 27

Keywords

CODQ3
TOCQ2
NO-3Q3

Abstract

 The petrochemical industry is the mostly developed technology in modern proliferation of chemistry. It disposes a wide spectrum of different hazardous compounds to the living environment, and mostly unbiodegradable. So, the general focus of this work is removing of hazardous MELAMINE and nonylphenol as direct and derivative of petrochemical products which are found, in traces, in industrial wastewaters; very resistable to biodegradation and classified as carcinogenic pollutants. The latter is found in agricultural and food recycling industry and known as pesticides emulsifier (OP10). The effect of pH, O3 doses on chemical factors as TOC, COD were studied for the samples containing these pollutants, comprising a AOPs technique. The removal of percentages of these factors was obtained up to 19.1 mg O3/L of ozone absorbed. The COD values diminished to about 87% for MELAMINE respectively. From the NO-3 measurement for MELAMINE and aforementioned data it could be deduced that for MELAMINE, the reactions follow the mechanism of the attack of OH radicals and molecular ozone into the molecules. Furthermore, some UV spectroscopical and HPLC studies were cassied out for further analysis of chemical and biochemical data obtained.

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