Thermal Treatment of Fluid Catalytic Cracking Slurry Oil: Determination of the Thermal Stability and its Correlation with the Quality of Derived Cokes

2018 ◽  
Vol 135 ◽  
pp. 406-414 ◽  
Author(s):  
Cunhui Lin ◽  
Jingqi Wang ◽  
Shuoyi Chen ◽  
Zongxian Wang ◽  
He Liu ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Thermal Treatment ◽  
Catalytic Cracking ◽  
Fluid Catalytic Cracking

scholarly journals LEACHING OF VANADIUM FROM PETROLEUM COKE OF THE DELAYED COKING PROCESS OF HUDRON FROM A MIXTURE OF WESTERN SIBERIAN OILS

2021 ◽  
Vol 57 ◽  
pp. 19-28
Author(s):  
Anna A. Kudinova ◽  
◽  
Natalia K. Kondrasheva ◽  
Viacheslav A. Rudko ◽  
◽  
...  
Keyword(s):  
Thermal Stability ◽  
Fine Structure ◽  
Sulfuric Acid ◽  
Vanadium Oxide ◽  
Petroleum Coke ◽  
Delayed Coking ◽  
Vanadium Extraction ◽  
Liquid Phases

Petroleum coke was used as a feedstock for the leaching process to produce vanadium oxide (V). The process was carried out in the presence of H2SO4 (12%) or NaOH (10%) with different ratios of solid and liquid phases (1:4, 1:3, 1:2), as well as different time of the process. The influence of the factors on the degree of vanadium extraction was studied. It was shown that sulfuric acid is a more efficient leaching agent compared to sodium hydroxide. Studies of the quality of the coke obtained after leaching were carried out, including the determination of the fine structure and thermal stability.

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