Cooperative effect of Fe and Ti species over Fe-Ti-Ox catalysts on the catalytic hydrolysis performance of hydrogen cyanide

被引：0
|
作者：
Zhu, Xinfeng [1 ]
Mao, Yanli [1 ]
Liu, Hongpan [2 ]
Kang, Haiyan [1 ]
Liu, Biao [1 ]
Song, Zhongxian [1 ]
Liu, Xueping [1 ]
Guo, Yifei [1 ]
Du, Huixian [1 ]
Zhang, Qiulin [3 ]
机构：
[1] Henan Univ Urban Construct, Henan Prov Key Lab Water Pollut Control & Rehabil, Pingdingshan 467000, Peoples R China
[2] Chongqing Univ Arts & Sci, Coll Mat & Chem Engn, Chongqing 402160, Peoples R China
[3] Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Yunnan, Peoples R China
来源：
APPLIED ORGANOMETALLIC CHEMISTRY | 2020年 / 34卷 / 02期
关键词：
catalytic hydrolysis; Fe-Ti-O-x; HCN; interaction; reaction mechanism; SELECTIVE REDUCTION; NITROGEN-OXIDES; NO; NH3; MECHANISM; TEMPERATURE; OXIDATION; REMOVAL;
D O I：
10.1002/aoc.5285
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
FeOx, TiO2, 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 degrees C over the Fe-Ti-O-x catalyst. TiO2 rutile was detected over TiO2, but not over Fe-Ti-O-x, which suggested that the interaction between Fe and Ti species could inhibit the TiO2 phase transition. Furthermore, the interaction between Fe and Ti species over Fe-Ti-O-x could promote the selectivity of NH3 and CO. The mechanism of hydrolysis of HCN over FeOx, TiO2, and Fe-Ti-O-x can be given as follows: HCN + H2O -> methanamide -> ammonium formate -> formic acid -> H2O + CO.
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页数：8
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