Solvent-free direct preparation of dichloropropanol from glycerol and hydrochloric acid gas in the presence of H3PMo12-XWXO40 catalyst and/or water absorbent

被引:18
|
作者
Lee, Sang Hee [1 ]
Song, Sun Ho [1 ]
Park, Dong Ryul [1 ]
Jung, Ji Chul [1 ]
Song, Ji Hwan [2 ]
Woo, Sung Yul [3 ]
Song, Won Seob [3 ]
Kwon, Myong Suk [3 ]
Song, In Kyu [1 ]
机构
[1] Seoul Natl Univ, Inst Chem Proc, Sch Chem & Biol Engn, Seoul 151744, South Korea
[2] Whimoon High Sch, Seoul 135847, South Korea
[3] Samsung Fine Chem Corp, Ulsan 680090, South Korea
关键词
Solvent-free direct chlorination; Glycerol; Dichloropropanol; Heteropolyacid catalyst; Water absorbent;
D O I
10.1016/j.catcom.2008.08.011
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
Solvent-free direct preparation of dichloropropanol (DCP) from glycerol and hydrochloric acid gas was carried out in the presence of H3PMo12-XWXO40 (X = 0, 3, 6, 9, and 12) heteropolyacid (HPA) catalyst and/or water absorbent. Acid strength of the HPA catalyst played an important role in determining the catalytic performance in the solvent-free direct preparation of DCP. Water formed during the reaction retarded the formation of DCP. Absorption of water using silica gel blue (water absorbent) during the reaction greatly enhanced the formation of DCP. A combination of HPA catalyst with silica gel blue resulted in further enhancement of DCP formation. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:160 / 164
页数:5
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