الفهرس 
Monitoring of pollutant in water before and after treatment
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Abstract
This thesis discusses the monitoring and removal of pharmaceutical residues; analgesics and antibiotics residues in water samples. The discharge of therapeutic agents in effluents from production facilities, hospitals, and private households, improper disposal of unused drugs, and direct discharge of veterinary medicines, lead to contamination of surface water, ground water, and, eventually, drinking water, where they pose a potential danger to humans, accordingly it was necessary to analyze the trace amounts of the selected pharmaceuticals using different analytical techniques including univariate, multivariate spectrophotometric methods, spectroflourimetric method, chromatographic and electrochemical methods. Adsorption process was used to remove the pharmaceutical residues from water using synthesized adsorbent; mesoporous silica nanoparticles and natural adsorbent; modified rice husk. The process was optimized using chromatographic methods