Experimental evaluation of molten caustic leaching of an oil sand coke residue

Mku Thaddeus Ityokumbul

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


An evaluation of molten caustic leaching, MCL, for the desulfurization and demineralization of Syncrude fluid coke has been carried out. The results obtained indicate that with the incorporation of an acid washing step, a treated coke product having sulfur and ash contents of less than 1 % may be obtained. Scanning electron microscopy confirm that vanadium is released during molten caustic leaching. At caustic to coke mass ratio in the range 1.8 ‐ 2.0, the dedlurization reaction was determined to be independent of particle size, thus suggesting chemical reaction control.

Original languageEnglish (US)
Pages (from-to)370-374
Number of pages5
JournalThe Canadian Journal of Chemical Engineering
Issue number2
StatePublished - Jan 1 1994

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)


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