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Cooperative effect of Fe and Ti species over Fe–Ti–O x catalysts on the catalytic hydrolysis performance of hydrogen cyanide
Author(s) -
Zhu Xinfeng,
Mao Yanli,
Liu Hongpan,
Kang Haiyan,
Liu Biao,
Song Zhongxian,
Liu Xueping,
Guo Yifei,
Du Huixian,
Zhang Qiulin
Publication year - 2020
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.5285
Subject(s) - chemistry , catalysis , hydrolysis , formic acid , rutile , selectivity , ammonium formate , inorganic chemistry , hydrogen cyanide , formate , cyanide , hydrogen , titanium , nuclear chemistry , organic chemistry
FeO x , TiO 2 , and Fe–Ti–O x catalysts were synthesized and used in the catalytic hydrolysis of hydrogen cyanide (HCN). Nearly 100% HCN conversion was achieved at 250 °C over the Fe–Ti–O x catalyst. TiO 2 rutile was detected over TiO 2 , but not over Fe–Ti–O x , which suggested that the interaction between Fe and Ti species could inhibit the TiO 2 phase transition. Furthermore, the interaction between Fe and Ti species over Fe–Ti–O x could promote the selectivity of NH 3 and CO. The mechanism of hydrolysis of HCN over FeO x , TiO 2 , and Fe–Ti–O x can be given as follows: HCN + H 2 O → methanamide → ammonium formate → formic acid → H 2 O + CO.