Date of Award
Master of Engineering Science
Civil and Environmental Engineering
Dr. Jose E. Herrera
The application of nanoscale zero-valent iron particles (nZVI) for abiotic remediation of chlorinated compounds is proving among the most viable technologies for environmental remediation. However, although most polychlorinated C2 compounds are easily dechlorinated by nZVI, 1,2-dichloroethane (1,2-DCA), has shown resistance to dechlorination by this nanomaterial. The present contribution shows how a combination of a catalyst and nZVI together with the addition of a hydrogen donor can be used to; achieve dechlorination of 1,2-DCA under aqueous conditions similar to those found in the field. The best results for dechlorination were observed using formic acid as a H2 donor and Pd as catalyst doped onto CMC stabilized nanoscale zero-valent iron particles at a temperature of 45°C. This leads to significant degradation (close to 18%) of 1,2-DCA at the end of seven days. As degradation products, evolution of ethane and propane were observed from the very first day of reaction.
Atisha, Ambareen, "DEGRADATION OF 1,2-DICHLOROETHANE WITH NANO-SCALE ZERO VALENT IRON PARTICLES" (2011). Digitized Theses. 3306.