核磁共振法测定重油芳碳率
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摘要
采用700MHz高场核磁谱仪测定30个重油的核磁共振(NMR)1H谱和13C谱,通过B-L法和NMR法计算30个渣油的芳碳率,结果表明,B-L法计算所得芳碳率与NMR法计算所得芳碳率的偏差在5%以内,引入统计学t检验,证明两种方法计算所得芳碳率差异无显著性意义。
1 H-NMR and 13 C-NMR of 30 heavy oils were determined by 700 MHz high field nuclear magnetic spectrometer made by Agilent. Aromatic-carbon ratio were calculated by B-L method and NMR method with deviation within 5 %. The data were statisitically analyzed by t-test, which showed that no significant difference in aromatic carbon ratio between two methods.
1 H-NMR and 13 C-NMR of 30 heavy oils were determined by 700 MHz high field nuclear magnetic spectrometer made by Agilent. Aromatic-carbon ratio were calculated by B-L method and NMR method with deviation within 5 %. The data were statisitically analyzed by t-test, which showed that no significant difference in aromatic carbon ratio between two methods.
引文
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[10]Jingdong Mao,Xiaowen Fang,Yeqing Lan,et al,Chemical and nanometer-scale structure of kerogen and its change during thermal maturation investigated by advanced solid-state 13C NMR spectroscopy[J].Geochimical et Cosmochimica Acta,2010,74:2110-2127.
[11]王艳秋,王枫,宗志敏,等.重油特征分子群研究进展[J].精细石油化工,2007,24(2):74-78.
[12]孙昱东,杨朝合,山红红,等.渣油加氢转化过程中沥青质的结构变化[J].石油化工高等学校学报,2010,23(4):5-9.
[13]Yoshiml Shiroto,Shinichl Nakata.Asphaltene cracking in catalytic hydrotreating of heavy oil[J].Ind Eng Chem Des Dev,1983,22(2):248-257.
[14]韩忠祥,孙昱东.渣油中沥青质存在形态及其加氢转化反应[J],广东化工,2012,39(2):82-84.
[15]da Silva Oiverira E C,Cunha Neto A,et al.Study of Brazilian asphaltene aggregation by NMR spectroscopy[J].Fuel,2014,117:146-151.
[16]SH/T 0793-2007,烃类油品中芳碳含量测定法[S].
[17]梁文杰,阙国和,刘晨光,等.石油化学[M].山东东营:中国石油大学出版社,2009.
[2]Oliver C Mullins,Hassan Sabbah,Joelle Eyssautier.Advances in Asphaltene Science and the Yen-Mullins Model[J].Energy&Fuel,2012,26(7):3986-4003.
[3]Ryan P Rodgers,Amy M McKenna.Petroleum Analysis[J].Energy&Fuel,2011,25(10):4665-4687.
[4]陆善祥,Gray M R.核磁共振谱法估计重油和沥青质中芳环分布[J].华东理工大学学报,1994,20(4):501-506.
[5]Edward G Paul,David M Grant.Carbon Magnetic Resonance.I.Improved carbon Magnetic Resonance Spectra Obtained by Proton Decoupling and Rapid Sample Spinning[J].Energy&Fuel.1964,86:2977-2914.
[6]Oliver C Mullins,Doughlas J Seifert,Julian Y Zuo,et al.Clusters of Asphaltene Nanoaggregates Observed in Oilfield Reservoirs[J].Energy&Fuel,2012,26(3):1752-1761.
[7]Mao J D,Schmidt Rohr K.Accurate Quantification of Aromaticity and Nonprotonated Aromatic Carbon Fraction in Natural Organic Matter by 13CSolid-state Nuclear Magnetic Resonance[J].Environ Sci Technol,2004,38:2680-2684.
[8]Huang J.Characterization of Asphalt Fractions by NMR Spectroscopy[J].Petroleum Science and Technology,2010,28:618-624.
[9]Suggate R P,Dickinson W W.Carbon NMR of Coals:the effect of coal type and rank[J].International Journal of Coal Geology,2004,57:1-22.
[10]Jingdong Mao,Xiaowen Fang,Yeqing Lan,et al,Chemical and nanometer-scale structure of kerogen and its change during thermal maturation investigated by advanced solid-state 13C NMR spectroscopy[J].Geochimical et Cosmochimica Acta,2010,74:2110-2127.
[11]王艳秋,王枫,宗志敏,等.重油特征分子群研究进展[J].精细石油化工,2007,24(2):74-78.
[12]孙昱东,杨朝合,山红红,等.渣油加氢转化过程中沥青质的结构变化[J].石油化工高等学校学报,2010,23(4):5-9.
[13]Yoshiml Shiroto,Shinichl Nakata.Asphaltene cracking in catalytic hydrotreating of heavy oil[J].Ind Eng Chem Des Dev,1983,22(2):248-257.
[14]韩忠祥,孙昱东.渣油中沥青质存在形态及其加氢转化反应[J],广东化工,2012,39(2):82-84.
[15]da Silva Oiverira E C,Cunha Neto A,et al.Study of Brazilian asphaltene aggregation by NMR spectroscopy[J].Fuel,2014,117:146-151.
[16]SH/T 0793-2007,烃类油品中芳碳含量测定法[S].
[17]梁文杰,阙国和,刘晨光,等.石油化学[M].山东东营:中国石油大学出版社,2009.