Open AccessPreparation of Pd–B/palygorskite amorphous catalyst for the selective hydrogenation of o ‐chloronitrobenzene to o ‐chloroaniline
Author(s) -
Wu Mei,
Xu Ying,
Jang Jinlong,
Ju Jingxi,
Zeng Qingyun,
Duanmu Chuansong,
Gu Xu
Publication year - 2016
Publication title -
micro and nano letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.25
H-Index - 31
ISSN - 1750-0443
DOI - 10.1049/mnl.2015.0395
Subject(s) - catalysis , hydrogenolysis , palygorskite , x ray photoelectron spectroscopy , amorphous solid , selectivity , chemistry , nuclear chemistry , materials science , inorganic chemistry , chemical engineering , organic chemistry , adsorption , engineering
Pd–B amorphous alloy was successfully supported on the surface of natural nanoclay palygorskite (PAL) via a simple chemical reduction method. Compared with the conventional supported Pd catalyst, the Pd–B/PAL amorphous catalyst possessed the ultra‐high selectivity (100%) to o ‐chloroaniline ( o ‐CAN) in the hydrogenation of o ‐chloronitrobenzene ( o ‐CNB) to o ‐CAN and avoided the dechlorination of o ‐CNB. XPS analysis results indicated that PAL support could reduce the electron density of Pd atoms and suppressed the hydrogenolysis of C–Cl bond. Meanwhile, the Pd–B/PAL amorphous catalyst exhibited a good stability and is a prospective catalyst for the selective hydrogenation of CNB to CAN.