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THE CONCEPT OF ASPHALTENES REVISITED

 

作者: JamesG. Speight,   RobertB. Long,  

 

期刊: Fuel Science and Technology International  (Taylor Available online 1996)
卷期: Volume 14, issue 1-2  

页码: 1-12

 

ISSN:0884-3759

 

年代: 1996

 

DOI:10.1080/08843759608947559

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Petroleum asphaltenes are defined as material insoluble in pentane or heptane and the nature of the molecular species that constitute asphaltenes has been a well researched subject over the past three decades. These investigations have led to a general consensus of the majority of researchers that asphaltenes contain condensed aromatic systems carrying alkyl, cycloalkyl, and heteroatom substituents. A variety of molecular models has been developed which have been used to explain the behavior of asphaltenes in feedstocks during recovery and processing operations

 

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