Citation: LI Jiwen, LI Wei, WANG Chuan. Characterization of C₅-C₇ alkenes in gasoline from methanol to olefins process using gas chromatography-mass spectrometry[J]. Chinese Journal of Chromatography, ;2013, 31(11): 1134-1139. doi: 10.3724/SP.J.1123.2013.05047 shu

Characterization of C₅-C₇ alkenes in gasoline from methanol to olefins process using gas chromatography-mass spectrometry

1.
SINOPEC Shanghai Research Institute of Petrochemical Technology, Shanghai 201208, China

Corresponding author: LI Jiwen,
Received Date: 27 May 2013
Available Online: 4 July 2013
Fund Project: 中国石油化工集团公司科技攻关项目(项目号:19). (项目号:19)

Gas chromatography-mass spectrometry (GC-MS) qualitative characterization of C₅-C₇ alkenes in gasoline from methanol to olefins (MTO) was investigated in detail. It showed that the retention indices of 49 alkenes, 11 alkadienes and 9 cycloalkenes, a total of 69 C₅-C₇ isomeric alkenes were determined and qualitatively confirmed. The retention indices of all C₅-C₇ alkenes in MTO gasoline were measured on polydimethylsiloxane as the stationary phase. According to the library of retention indices by GC-MS characterization, the contents of C₅-C₇ alkenes in MTO gasoline were analyzed by GC and characterized by its composition of hydrocarbon categories. The results of quantitative analysis showed that the composition of MTO gasoline mainly consisted of C₅-C₇ alkenes, and a small amount of alkadienes and cycloalkenes. The contents of alkanes and cycloalkanes existed in MTO gasoline were very low. The study of the composition is helpful for the comprehensive application of MTO gasoline.
- gas chromatography (GC),
- mass spectrometry (MS),
- alkenes,
- gasoline,
- methanol to olefins (MTO)
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沈阳化工大学材料科学与工程学院沈阳 110142

Characterization of C5-C7 alkenes in gasoline from methanol to olefins process using gas chromatography-mass spectrometry

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通讯作者: 陈斌, bchen63@163.com

Characterization of C₅-C₇ alkenes in gasoline from methanol to olefins process using gas chromatography-mass spectrometry