论文部分内容阅读
建立了一个从核磁共振谱和化学选择性氧化芳碳得到的烷链分布的数据以完整地估计重油和沥青的结构基团浓度及一系列结构参数的方法。结构基团包括环烷亚甲基、环烷桥头碳、环烷芳香碳、芳环桥头碳、α-亚甲基、环烷环上烷基取代碳等17种碳型。结构参数包括单元芳环片环数、单元环烷环片环数、芳环上烷基取代度、环烷环上烷基取代度、桥链数等。给出了Alberta4种沥青质和ColdLake瓦斯油的结构基团分析结果。
A method was developed to completely estimate the concentration of structural groups and a series of structural parameters of heavy oil and bitumen by the data of the distribution of alkane chains obtained from NMR and chemical selective oxidation of aromatic carbon. The structural groups include 17 kinds of carbon types, such as cycloalkane methylene, cycloalkane bridgehead carbon, naphthenic aromatic carbon, aromatic ring bridgehead carbon, α-methylene, alkyl substituted carbon on the naphthenic ring. The structural parameters include the number of aromatic ring units, the number of cycloaliphatic ring units, the degree of alkyl substitution on the aromatic ring, the degree of alkyl substitution on the cycloalkane ring, the number of bridged chains, and the like. The results of structural group analysis of Alberta asphaltenes and ColdLake gas oils are given.