Thesis Archive
Optimization of the degradation of TCE using zero-valent iron in the presence of cyclodextrin (2010)
Abogado, Krizelle Aina
Dosado, Michelle
Abstract:
-Reductive dechlorination of harmful chlorinated substances such as trichloroethylene (TCE) is being conducted in order to resolve problems in contaminated water systems. The use of heavy metals and a catalyst has been determined to have efficiently improved the process. Furthermore, addition of solubility enhancing agents has been studied in order to improve this type of remediation technique. This study used zero-valent iron as the metal, nickel as the catalyst and cetyltrimethyl ammonium bromide (CTAB) as the surfactant. This study aimed to determine the optimum conditions in degrading TCE. Initial TCE concentration, iron-nickel loading, and CTAB were the varying parameters to be optimized. As a result of the experiment, it was found out that at an initial TCE concentration of 25 ppm, 25 weight percent of nickel, and 1.0mM CTAB, complete TCE degradation was achieved at 10 to 15 hours. The presence of byproducts was verified through the use of High Performance Liquid Chromatography (HPLC).
Adviser:
Wilheliza Baraoidan
[email protected]