CANMET hydrocracking

The CANMET hydrocracking process is used for heavy oils, atmospheric residua, and vacuum residua (Table 9-5) (Pruden, 1978 Waugh, 1983 Pruden et al., 1993). The process does not use a catalyst but employs a low-cost additive to inhibit coke formation and allow high conversion of heavy feedstocks (such as... 

CANMET hydrocracking process a hydrocracking process for heavy feedstocks that employs a low-cost additive to inhibit coke formation and allow high feedstock conversion using a single reactor. 

As indicated earlier, there is a delicate balance between the concentration of resins and asphaltenes in petroleum fractions. Any interruption in the ratio of asphaltenes resins can cause operational problems because of asphaltene precipitation (coke formation) and plant shutdown. It is therefore crucial, if coke formation is to be minimized, to monitor the ratio of asphaltenes resins during the thermal processing of bitumens and heavy oils. Clarke and Pruden developed a heat transfer analysis technique that can detect the onset of asphaltene precipitation. They showed that precipitated asphaltenes could be re-peptized using polynuclear aromatic compounds such as phenanthrene. It has been demonstrated in the 5000 bbl/d CANMET hydrocracking unit... 

CANMET hydrocracking and VEBA Combi-Cracking processes are presently demonstrated. Both processes use the same concept of liquid-phase hydrogenation of the feed and of gas phase... 

Lunin, G., Chambers, L.W., Parsons, B.1.1985. Thecommerciahzationof the CANMET hydrocracking process, CANMET Branch, Energy, Mines Resources. In Technical Meeting/ Petroleum Conference of the South Saskatchewan Section, Regina, Saskatchewan, Canada, September 15-17. 

Pruden, B., Muir, G., Skipek, M. 1993. The CANMET hydrocracking process Recent developments oil sands—Our petroleum future. Alberta Research Council, Edmonton, Alberta, Canada, p. 277. 

Benham, N.K. Pruden, B.B., CANMET residuum hydrocracking Advances through control of polar aromatics, NPRA Annual Meeting, San Antonio, TX, March 17-19,1996, offprint. 

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