Impregnation of 12-tungstophosphoric acid on tonsil: An effective catalyst for esterification of formic acid with n-butyl alcohol and kinetic modeling

被引：9
|
作者：
Altiokka, Mehmet R. [1 ]
Akbay, Elif [1 ]
Him, Zeynep [1 ]
机构：
[1] Anadolu Univ, Dept Chem Engn, TR-26470 Eskisehir, Turkey
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2014年 / 385卷
关键词：
12-tungstophosphoric acid; Tonsil earth; Esterification; Characterization; Eley-Rideal model; ACETIC-ACID; HETEROPOLY ACID; CLAY;
D O I：
10.1016/j.molcata.2014.01.011
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Esterification of formic acid with n-butanol was catalyzed by dodecatungstophosphoric acid, H-3 PW12O40 (DTP) impregnated on tonsil earth. A series of catalysts containing 10%, 20% and 30% of DTP on tonsil earth were synthesized. The samples were characterized by FT-IR, XRD, BET and TG. The 20% DTP loaded on tonsil showed the highest catalytic activity among the samples prepared in this study. Therefore the kinetics of esterification of formic acid with butanol has been studied in the presence of 20% DTP/T. The kinetic behavior of the reaction has been found to follow the Eley-Rideal model. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：18 / 25
页数：8
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