Journal
CATALYSIS LETTERS
Volume 141, Issue 6, Pages 792-798Publisher
SPRINGER
DOI: 10.1007/s10562-011-0567-5
Keywords
Palladium; Ni-B; Bimetallic catalysts; Hydrodechlorination; 4-Chlorophenol
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Funding
- Natural Sciences Foundation of Tianjin [10JCYBJC04400]
- MOE [IRT-0927]
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A Pd on Ni-B (Pd/Ni-B) bimetallic catalyst was prepared and tested in the hydrodechlorination (HDC) of 4-chlorophenol (4-CP). The catalysts were synthesized by replacement method and treated at different temperatures (298-673 K). The results showed that the one treated at 473 K could achieve complete dechlorination of 200 ppm 4-CP under the pH = 8 within 30 min and keep the high activity in the first four recycles. The introducing of Pd greatly promoted the catalytic HDC efficiency of Ni-B, and the high dispersion of Pd species ensured the high activity of Pd/Ni-B catalysts. The catalytic HDC reaction of 4-CP followed the pseudo-first-order dynamics and the kinetic data was obtained.
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