钙改性MCM-22分子筛催化剂上单十二烷基磷酸酯的绿色合成

doi:10.3969/j.issn.0438-1157.2013.03.023

化工学报 ›› 2013, Vol. 64 ›› Issue (3): 949-954.DOI: 10.3969/j.issn.0438-1157.2013.03.023

• 催化、动力学与反应器 • 上一篇下一篇

钙改性MCM-22分子筛催化剂上单十二烷基磷酸酯的绿色合成

张文飞¹, 梁金花², 李宁¹, 刘艳秋¹, 任晓乾¹, 姜岷²

1. 南京工业大学化学化工学院,江苏南京210009;
2. 南京工业大学生物与制药工程学院,江苏南京210009

收稿日期:2012-08-06 修回日期:2012-10-17 出版日期:2013-03-05 发布日期:2013-03-05
通讯作者: 任晓乾
作者简介:张文飞(1988—),男,硕士研究生。
基金资助:
国家重点基础研究发展计划项目(2009CB724701)。

Green synthesis of monododecylphosphate over MCM-22 molecular sieve modified by calcium

ZHANG Wenfei¹, LIANG Jinhua², LI Ning¹, LIU Yanqiu¹, REN Xiaoqian¹, JIANG Min²

1. School of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing 210009, Jiangsu, China;
2. School of Biotechnology and Pharmaceutical Engineering, Nanjing University of Technology, Nanjing 210009, Jiangsu, China

Received:2012-08-06 Revised:2012-10-17 Online:2013-03-05 Published:2013-03-05
Supported by:
supported by the National Basic Research Program of China(2009CB724701).

摘要/Abstract

关键词: 浸渍, 离子交换, MCM-22分子筛, 单十二烷基磷酸酯

Abstract: Ca/HMCM-22 and CaHMCM-22 zeolite catalysts were prepared by impregnation and ion exchange respectively.The catalysts were characterized by XRD,TPD,FT-IR,and ICP.When CaSO₄ loading was less than 6.5%,CaSO₄ could be highly dispersed on HMCM-22 zeolite.A few variations in the strength and content of weak acid,and a slightly decrease of the content of strong acid were found in the two catalysts.However,the strength and content of weak and strong base on CaHMCM-22 were more than those on Ca/HMCM-22 after modification.The two catalysts exhibited good catalytic performance for the synthesis of monododecylphosphate by esterification of phosphoric acid with equimolar lauryl alcohol.The catalytic activity over Ca/HMCM-22 zeolite was higher than the catalytic activities of HMCM-22 and Ca/NaMCM-22 zeolite,CaSO₄ in synergy with acid sites and base sites of zeolite catalyst accelerated the esterification.The catalytic activity over CaHMCM-22 exchanged 3 times was also better than those of HMCM-22 and CaNaMCM-22 zeolite.Combined with the results of characterization and esterification,the presence of acidic and basic sites promoted effectively the synthesis of monododecylphosphate.

Key words: impregnation, ion exchange, MCM-22 zeolite, monododecylphosphate

中图分类号:

TQ032

张文飞, 梁金花, 李宁, 刘艳秋, 任晓乾, 姜岷. 钙改性MCM-22分子筛催化剂上单十二烷基磷酸酯的绿色合成[J]. 化工学报, 2013, 64(3): 949-954.

ZHANG Wenfei, LIANG Jinhua, LI Ning, LIU Yanqiu, REN Xiaoqian, JIANG Min. Green synthesis of monododecylphosphate over MCM-22 molecular sieve modified by calcium[J]. CIESC Journal, 2013, 64(3): 949-954.

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钙改性MCM-22分子筛催化剂上单十二烷基磷酸酯的绿色合成

Green synthesis of monododecylphosphate over MCM-22 molecular sieve modified by calcium

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