Facile determination of dissolved species in CO2-amine-H2O system by NMR spectroscopy

被引：57
|
作者：
Suda, T
Iwaki, T
Mimura, T
机构：
[1] MITSUBISHI HEAVY IND CO LTD, HIROSHIMA RES & DEV CTR, NISHI KU, HIROSHIMA 733, JAPAN
[2] KANSAI ELECT POWER CO INC, ENVIRONM RES CTR, AMAGASAKI, HYOGO 661, JAPAN
来源：
CHEMISTRY LETTERS | 1996年 / 09期
关键词：
D O I：
10.1246/cl.1996.777
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In order to clarify the characteristic behavior of dissolved state of CO2 in alkanolamine-H2O system five different kinds of alkanolamines were examined spectroscopically under the following conditions: 40 degrees C for 30 minto 120 min. NMR analysis indicated the presence of five chemical species such as carbamate ion, free amine, bicarbonate, carbonate, and protonated amine. Based on proton NMR, distribution of the respective species against molar loading of CO2 was successfully evaluated.
引用
收藏
页码：777 / 778
页数：2
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