[1]李扬,朱培玉,王延儒,等.溴化四乙铵催化合成碳酸乙烯酯反应研究[J].南京师范大学学报(工程技术版),2007,07(01):059-62.
　Li Yang,Zhu Peiyu,Wang Yanru.The Synthesis of Ethylene Carbonate Using Tetraethylammonium Bromide(TEAB) as the Catalyst[J].Journal of Nanjing Normal University(Engineering and Technology),2007,07(01):059-62.
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溴化四乙铵催化合成碳酸乙烯酯反应研究
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
07卷
期数:
2007年01期
页码:
059-62
栏目:
出版日期:
2007-03-30

文章信息/Info

Title:
The Synthesis of Ethylene Carbonate Using Tetraethylammonium Bromide(TEAB) as the Catalyst
作者:
李扬;朱培玉;王延儒;
南京工业大学化学化工学院, 江苏南京210009
Author(s):
Li Yang; Zhu Peiyu; Wang Yanru
School of Chemistry and Chemical,Nanjing University of Technology,Nanjing 210009,China
关键词:
二氧化碳;  环氧乙烷;  碳酸乙烯酯;  溴化四乙铵;  合成
Keywords:
ca rbon diox ide;  ethy lene ox ide;  e thy lene carbonate;  TEAB;  synthesis
分类号:
TQ225.52
摘要:
为探索一种具有工业应用价值的碳酸乙烯酯生产工艺(EC),采用环氧乙烷(EO)与二氧化碳为原料,以高催化活性、易于获取且价格低廉的溴化四乙铵(TEAB)为催化剂,采用单变量考察以及正交实验的方法,探索了反应温度、反应压力、催化剂质量分数、反应时间以及初始进料EC与EO的比例对EC收率的影响,以求高收率地得到EC产品.研究表明,在5.5 MPa,180℃,催化剂TEAB与EO的质量百分比为0.3%,反应时间为120 m in,初始进料配比EC/EO为1.0的反应条件下,EC收率可以达到98%.实验验证了该催化剂的活性在11次循环后仍保持稳定.
Abstract:
In orde r to exp lore a va luab le pro cess fo r comm ercia l production o f Ethy lene Carbonate ( EC ), carbon d-i ox ide ( CO2 ) and E thy lene Ox ide ( EO) as raw m ater ia ,l and TEAB as the cata ly st w ere utilized. TEAB has the adv antages o f high availab ility, low price and h igh activ ity. The influences o f reaction param ete rs on the EC y ield, such as tem pera ture, pressure, ca talyst concentration, residence tim e as w ell as the ra tio o f EC /EO in the initial feed, w ere exp lo red by m eans o f sing le-var iable param eter and or thogona lm ethod. It was indicated that 98% o f EC y ie ld cou ld be reached at the optima l conditions o f 5.5MPa of reaction pressure, 180℃ o f reaction tem pera ture, 0. 3% of TEAB /EO ( quality ratio), 1.0 of EC /EO in the initial feed( qua lity ratio ) and 120m in o f reaction tim e. It w as a lso verified that the activ ity of the cata ly st rem ained stab leafter 11 times of recycle.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 李扬( 1964-) , 高级工程师, 博士研究生, 主要从事化学工程方面的研究. E-m ail: liy@ bas fyp c. com. cn
更新日期/Last Update: 2013-04-29