Chemical characterization of the asphaltenes from colombian colorado light crude oil

J. Poveda-Jaramillo, D. Molina-Velasco, Natalia-Alexandra Bohorques-Toledo, M. Torres, Emiliano Ariza-León
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引用次数: 21

Abstract

espanolRESUMEN En el presente trabajo reportamos la caracterizacion quimica de los asfaltenos del crudo liviano colombiano Colorado (CCO), 36° API. Los asfaltenos del CCO fueron extraidos usando la norma estandar ASTM D6560-12. La aproximacion a la composicion quimica de los asfaltenos fue llevada a cabo usando analisis elemental (C, H, N, O, S), espectroscopia de infrarrojo con transformada de Fourier (FT-IR), espectroscopia Raman (RS), espectrometria de masas de tiempo de vuelo mediante desorcion-ionizacion asistida por matriz (MALDI-TOF), y espectroscopia de resonancia magnetica nuclear de hidrogeno y carbono (¹H- and 13C-NMR). Finalmente, los parametros cristalinos de los nanoagregados de asfaltenos de CCO en fase solida fueron calculados usando datos de difraccion de rayos X. Los diametros promedio de las laminas aromaticas L0 fueron calculados con base en los analisis de XRD y Raman y mostraron una buena concordancia comparativamente. Los parametros moleculares promedio fueron calculados utilizando los datos de analisis elemental, y las espectroscopias de NMR y Raman, y la difractometria de rayos X. EnglishABSTRACT In the present work, we report the chemical characterization of asphaltenes from a light Colombian crude oil, 36° API, Colorado Crude Oil (CCO). Asphaltenes of CCO were extracted using the standard ASTM procedure, ASTM D6560-12. The approach to the chemical composition of asphaltenes was carried out by using elemental analysis (C, H, N, O, S), Fourier transform infrared spectroscopy (FT-IR), Raman Spectroscopy (RS), Matrix Assisted Laser Desorption Ionization - Time of Flight (MALDI-TOF) mass spectrometry, and proton and carbon nuclear magnetic resonance spectroscopy (¹H- and 13C-NMR). Finally, the crystallite parameters of nanoaggregates of CCO asphaltenes in solid phase were calculated using X-ray powder diffraction data. The average diameters of aromatic layers L0 calculated from XRD and Raman were compared together and proved to be in good agreement. Average molecular parameters AMPs were calculated from elemental analysis, NMR and Raman spectroscopies, and X-ray diffractometry. portuguesRESUMO Neste trabalho, relatamos a caracterizacao quimica dos asfaltenos em oleo leve colombiano Colorado (CCO), 36° API. Asfaltenos OCC foram extraidos utilizando a regra padrao ASTM D6560-12. A abordagem para a composicao quimica dos asfaltenos foi levada a cabo utilizando uma analise elementar (C, H, N, O, S), espectroscopia de infravermelho com transformada de Fourier (FT-IR), espectroscopia Raman (RS), espectrometria de massa por tempo de voo de dessorcao-ionizacao de matriz assistida (MALDI-TOF). Finalmente, os parâmetros cristalinos de nanoparticulas de asfaltenos CCO fase solida foram calculados usando os dados de difracao de raios-X. Os diâmetros medios das folhas de aromaticos La foram calculados a partir de DRX e da analise Raman, exibindo boa concordância comparativamente. Os parâmetros moleculares medios foram calculados a partir dos dados de analise elementar, espectroscopias de RMN e de Raman, e difractometria de raios-X.
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哥伦比亚科罗拉多轻质原油沥青质的化学特性
本文报道了哥伦比亚科罗拉多轻质原油(CCO)沥青质的化学特性,API为36°。CCO沥青质采用ASTM D6560-12标准提取。aproximacion到composicion化学物质的使用基本分析(asfaltenos冲上下士C、H、N或S),与转换的傅里叶变换红外光谱(FT-IR)、拉曼光谱(RS)、大众espectrometria飞行时间通过辅助desorcion-ionizacion矩阵(MALDI-TOF)、碳和氢核共振magnetica光谱(¹H - and 13C-NMR)。最后,利用x射线衍射数据计算了固相CCO沥青质纳米聚集体的晶体参数,通过XRD和拉曼分析计算了芳香层L0的平均直径,结果吻合较好。平均分子parametros被计算的基本分析数据,并利用espectroscopias NMR和拉曼,x光difractometria EnglishABSTRACT In the目前work, we report the chemical characterization asphaltenes from a light,少数crude oil, 36°,科罗拉多crude oil (CCO)的API。CCO沥青是使用ASTM D6560-12标准程序提取的。was The approach to The chemical种asphaltenes对out by using基本分析C、H、N或S),傅里叶变换雷达spectroscopy (FT-IR spectroscopy拉曼(RS)、Matrix逃往激光Desorption Ionization Time - of航班(MALDI-TOF)存在情况,质子和碳nuclear magnetic resonance spectroscopy(¹H - and 13C-NMR)。最后,利用x射线粉末衍射数据计算了固相CCO沥青纳米凝集物的晶体参数。平均diameters of aromatic layers L0计算from XRD和拉曼算不上and证明to be in good agreement在一起。= =地理= =根据美国人口普查,这个县的面积为,其中土地面积为。本文报道了36°API的哥伦比亚科罗拉多轻油(CCO)中沥青质的化学特性。OCC沥青质采用ASTM D6560-12标准规则提取。采用元素分析(C, H, N, O, S)、傅里叶变换红外光谱(FT-IR)、拉曼光谱(RS)、辅助基质解吸电离飞行时间质谱(MALDI-TOF)对沥青质进行了化学成分分析。最后,利用x射线衍射数据计算了沥青质CCO固相纳米颗粒的晶体参数。通过xrd和拉曼分析计算了La芳香叶的平均直径,具有良好的可比性。利用元素分析、核磁共振、拉曼光谱和x射线衍射数据计算了平均分子参数。
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