Citation:
HU Yunfeng, FANG Fei, WEI Tao, LIU Shuqing, JIANG Guangshen, CAI Jun. Analysis of cracking gas compressor fouling by pyrolysis gas chromatography-mass spectrometry[J]. Chinese Journal of Chromatography,
;2013, 31(6): 596-599.
doi:
10.3724/SP.J.1123.2012.12021
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The fouling from the different sections of the cracked gas compressor in Daqing Petrochemical Corporation was analyzed by pyrolysis gas chromatography-mass spectrometry (Py/GC-MS). All the samples were cracked in RJ-1 tube furnace cracker at the cracking temperature of 500℃, and separated with a 60 m DB-1 capillary column. An electron impact ionization (EI) source was used with the ionizing voltage of 70 eV. The results showed the formation of fouling was closely related with cyclopentadiene which accounted for about 50% of the cracking products. Other components detected were 1-butylene, propylene, methane and n-butane. This Py/GC-MS method can be used as an effective approach to analyze the causes of fouling in the petrochemical plants.
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