Catalytic Dechlorination and Kinetics of o-Dichlorobenzene by Pd／Fe
摘要
o-Dichlorobenzene (o-DCB) was dechlorinated by Pd/Fe powder in water through catalytic reduction. The dechlorination reaction is believed to take place on the surface site of the catalyst via a pseudo-first-order reaction. The final reduction product of o-DCB is benzene. The dechlorination rate increases with the increase of bulk loading of palladium due to the increase of both the surface loading of palladium and the total surface area. Dechlorination efficiency accounts for 90% at Pd/Fe mass ratio 0.02% and metal to solution ratio about 53.3 g·L^-1 in 120 minutes. Dechlorination is affected by the reaction temperature, pH, Pd/Fe ratio and the addition of Pd/Fe. Ea is found to be 102.5kJ·mol^-1 in the temperature range of 287--313K.
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周红艺, Xu Xin Hua, 汪大翚. Catalytic Dechlorination and Kinetics of o-Dichlorobenzene by Pd／Fe[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2004.
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