Raman spectroscopic study of cracking and hydrolysis of propane in fused silica capillary capsules between 300 and 400 degrees C

doi:10.1002/jrs.5093

CORC > 深海科学与工程研究所 > 中国科学院深海科学与工程研究所 > 深海科学研究部 > 深海极端环境模拟研究实验室

	Raman spectroscopic study of cracking and hydrolysis of propane in fused silica capillary capsules between 300 and 400 degrees C
	Chou, I-Ming2 ; Xu, Xiaochun 1; Chou, I-Ming(Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Expt Study Deep Sea Extreme Condit, Sanya 572000, Hainan, Peoples R China)
刊名	JOURNAL OF RAMAN SPECTROSCOPY
	2017-11-01
卷号	48 期号:11 页码:1420-1425
关键词	Propane Cracking Hydrolysis Raman Spectroscopy Fused Silica Capillary Capsule
DOI	10.1002/jrs.5093
产权排序	第1完成单位 ; 第2完成单位
文献子类	Article
英文摘要	Isothermal experiments on C3H8, with or without water, in fused silica capillary capsules were conducted at temperatures (Ts) between 300 and 400 degrees C for durations up to 322hours. Reaction progresses were evaluated with Raman spectroscopy at room T before and after heating. After an initial experiment, some samples were reheated to the same T for total durations up to 821hours. Consumption of water was monitored by calculating the changes in relative volumes of the vapor, aqueous, and C3H8 liquid phases from the lengths of the phases in the capillary. Reactions of C3H8 without water produced a small amount of CH4, reaching a steady state after about 100hours of heating at T<360 degrees C. Reactions with water appear to be largely hydrolysis, generating a CH4-rich vapor phase and methanol and ethanol in the aqueous phase. At fixed T, Raman spectra showed that concentrations of alcohols increased steadily with time as water was consumed. Our observations show that, without iron-bearing mineral buffers, the reactions between propane and water are relatively limited, forming alcohols without further oxidation to propanoic or ethanoic acid and/or CO2. This observation suggests that during deep burial, hydrocarbon gases may be more stable in iron-poor reservoirs like quartz arenites or carbonate grainstones than in mudstones or arkoses that are rich in redox-reactive iron-bearing siliciclastic and diagenetic minerals. Copyright (c) 2017 John Wiley & Sons, Ltd.
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WOS关键词	ORGANIC-ACIDS ; HYDROTHERMAL REACTIVITY ; HYDROUS PYROLYSIS ; CONSTRAINTS ; GENERATION ; WATER ; GAS ; TEMPERATURES ; PRESSURES ; MOLECULES
语种	英语
WOS记录号	WOS:000416235800006
内容类型	期刊论文
源URL	[http://ir.idsse.ac.cn/handle/183446/5200]
专题	深海科学研究部_深海极端环境模拟研究实验室
通讯作者	Chou, I-Ming; Chou, I-Ming(Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Expt Study Deep Sea Extreme Condit, Sanya 572000, Hainan, Peoples R China)
作者单位	1.Hefei Univ Technol, Sch Resources & Environm Engn, Hefei 230009, Anhui, Peoples R China 2.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Expt Study Deep Sea Extreme Condit, Sanya 572000, Hainan, Peoples R China
推荐引用方式 GB/T 7714	Chou, I-Ming,Xu, Xiaochun,Chou, I-Ming. Raman spectroscopic study of cracking and hydrolysis of propane in fused silica capillary capsules between 300 and 400 degrees C[J]. JOURNAL OF RAMAN SPECTROSCOPY,2017,48(11):1420-1425.
APA	Chou, I-Ming,Xu, Xiaochun,&Chou, I-Ming.(2017).Raman spectroscopic study of cracking and hydrolysis of propane in fused silica capillary capsules between 300 and 400 degrees C.JOURNAL OF RAMAN SPECTROSCOPY,48(11),1420-1425.
MLA	Chou, I-Ming,et al."Raman spectroscopic study of cracking and hydrolysis of propane in fused silica capillary capsules between 300 and 400 degrees C".JOURNAL OF RAMAN SPECTROSCOPY 48.11(2017):1420-1425.