| Summary: | PROJECT RESULTS: Describe the results of your research in reference to its original and/or modified Project objectives. The maximum extension of this section is 5 pages (Arial or Verdana font, size 10). In this project the following results were obtained for the removal of antibiotics like nalidixinic acid, tetracycline, amoxicillin, ciprofloxacin, and oxytetracycline by using different water-soluble polymers and copolymers. According to the hypothesis, general and specific objectives approved for our Grant, different water-soluble polymers were synthesized as well as the artificial polymer chitosan was N-alkylated. All the polymer materials were characterized by analytical techniques as FT-IR, NMR spectroscopy, and DSC-TGA. To carry out the studies of removal of these antibiotics, the functional water-soluble polymers through the liquid phase polymer based retention, LPR, technique under different experimental conditions were used under different experiments at laboratory level, varying different experimental conditions as: pH variation, ionic strength, molar ratio of polymer, charge and discharge cycles. Several antibiotics with different active functional groups were included in this study. Thus, the retention profiles considering the removal of antibiotic (%) vs Z (filtration factor) and also for the time was determined. The determination of the maximum retention capacity (MRC) and the enrichment factor and the effect of the content of charge of the water-soluble copolymers on the removal properties of emerging antibiotic was also studied. In this study was also important study of the ability to reuse of the water-soluble polymers by means of pH change. Some obtained results are the following [1-6]: Studies of pH effect on the antibiotic removal. Study of the pH variation plays a major role in studies of antibiotic removal, since depending on the pH in which the solution is found to evaluate the antibiotic molecules may have different speciation and that speciation may result in favorable or unfavorable ...
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