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.

引用

页数：8

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