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Title

EVALUATION OF ACTIVATED PEROXYDISULFATE PERFORMANCE WITH NANOSILVER CATALYST IN DEGRADATION OF AN AZO DYE FROM CONTAMINATED WATER

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 Start Page | End Page

Abstract

 INTRODUCTION: IN RECENT DECADES ADVANCED OXIDATION PROCESSES (AOPS) HAS BEEN INVESTIGATED AS A POTENTIAL REMEDIATION AND TREATMENT TECHNOLOGY TO DEGRADE ORGANIC CONTAMINANTS [1].THE PRESENT STUDY WAS CARRIED OUT TO INVESTIGATE THE EFFECT OF SILVER NANOPARTICLES TO CATALYZED PEROXYDISULFATE IN ORDER TO REMOVAL OF DIRECT BLUE 129 FROM CONTAMINATED WATER, THE SIMULTANEOUS USE OF PEROXYDISULFATE AND NANOSILVER PARTICLES AS CATALYSTS THAT HAVE BEEN STABILIZED AN SILICA, AND GENERATE SULFATE RADICALS WHICH IS AN EVEN STRONGER OXIDIZING AGENT (E0=2.6V) FROM PEROXYDISULFATE AND SIGNIFICANTLY INCREASED THE REMOVAL EFFICIENCY [2].THESE NANOPARTICLES CAN BE RECYCLED AND HAVE MANY USAGES IN OTHER FIELDS. THE EFFECTS OF VARIOUS PARAMETERS SUCH AS PEROXYDISULFATE CONCENTRATION, CONTAMINANT CONCENTRATIONS AND DOSAGE OF SILVER NANOPARTICLES ON THE DYE REMOVAL WERE EVALUATED.IN THE FIGURE.1 TRANSMISSION ELECTRON MICROSCOPY (TEM) IS SHOWN THE BEST AND ACCURATE SYNTHESIS OF THE NANOPOWDER ON SILICA.

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