Trichloroacetic acid (TCAA) is one of the disinfection by-products (DBPs) in chlorination process, which is with great potential risk to human health. This work investigated the removal of TCAA by using laboratory-synthesized Pd-Fe bimetallic nanoparticles. Pd-Fe nanoparticles were characterized in terms of surface area, morphology, and particle size. The results indicate that Pd-Fe nanoparticles were spherical with the diameter of 47�11.5 nm, and the specific surface area was 36.5 m2/g. Pd-Fe nanoparticles showed prominent activity in removal of TCAA. Pd content, Pd-Fe addition, initial pH value of reaction system, and initial concentration of target pollutant were found to have effect on the removal efficiency of TCAA. Some of the important parameters, such as Pd content, metal addition, and initial pH value of reaction system were optimized for higher removal efficiency. Dechlorination kinetics of TCAA were also investigated.

Removal of trichloracetic acid by iron based bimetallic nanoparticles

243rd National Meeting (2012)

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