Affiliations: Department of Environmental Engineering, Zhejiang
University, Hangzhou 310027, China | College of Biological and Environmental Engineering,
Zhejiang University of Technology, Hangzhou 310032, China
Abstract: Over Pd/Fe bimetallic catalyst, o-nitrochlorobenzene (o-NCB), at a
concentration of 20 mg/L in aqueous solutions, is rapidly converted to
o-chloroaniline (o-CAN) first, and then quickly dechlorinated to aniline (AN)
and Cl^-, without other intermediate reaction products. The
aminated and dechlorinated reactions are believed to take place on the surface
site of the Pd/Fe. The o-NCB removal efficiency and the next dechlorination
rate increase with an increase of bulk loading of palladium and catalysts
addition due to the increase of both the surface loading of palladium and the
total surface area. These results indicate that reduction, amination and
dechlorination of o-NCB by palladium-catalyzed Fe^0
particles, can be designed for remediation of contaminated groundwater.
