Physicochemical aspects of petroleum coke formation (review)

被引:19
作者
Kapustin, V. M. [1 ]
Glagoleva, V. F. [1 ]
机构
[1] Gubkin State Univ Oil & Gas, Moscow, Russia
关键词
oil refining depth; petroleum coke; heavy residual feedstock; asphaltenes; supramolecular structures; resistance to phase separation; thermal conversion; coke structure; ASPHALTENE; PHASE; OILS;
D O I
10.1134/S0965544116010035
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The current status and development of petroleum residue upgrading via coking in Russia and over the world have been surveyed with an emphasis on the role of the process in salving the problem of increasing the refining depth. Theoretical concepts of thermal conversion of heavy petroleum feedstock and the structure of asphaltenes as principal coke-forming compounds have been discussed, the results of studies on the formation of coke as either a byproduct or (to a greater extent) the desired product have been considered, and models of the coke structure have been proposed. The characteristic features of the coking process for petroleum residues of various chemical compositions have been addressed, as well as means for controlling the feedstock thermal stability and the yield and quality of coke with the use of external factors.
引用
收藏
页码:1 / 9
页数:9
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