PETR 80 |
| The basic technical approach for up-grading heavy oil residues involves one of the following well-known chemical conversion processes or a combination of more than one: Hydrocarbon addition, Carbon rejection, Removal of sulfur, metals and asphaltenes. Industrially, these technical approaches are practiced by one of the following schemes: • Conversion to lighter products via thermal non catalytic operations: Vacuum distillation, Vis-breaking and Coking. • Conversion to lighter products via catalytic processes: Hydro-cracking, Fluid catalytic cracking (FCC). • Conversion to hydrogen: Steam reforming and partial oxidation. • Hydro-desulphurization (HDS), Solvent extraction and Removal of metals Non-catalytic partial oxidation (NCPO) stands as a promising alternative to utilize the heat content of heavy oil residues to convert them to low BTU gas (LBG). However, the supply of pure oxygen via air separation plants makes the process economically expensive. In this presentation, a novel approach is proposed to supply a cheaper source of oxygen, namely a by-product in the production of hydrogen by water electrolysis. An integrated scheme comprising both hydrogen production as well as NCPO of heavy residues is presented. The merits of producing high BTU gas (HBG) by the proposed scheme- as compared to (LBG) - are discussed. |
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3rd International Symposium on Hydrotreating/Hydrocracking Technologies
1:30 PM-4:20 PM, Tuesday, August 21, 2007 Boston Park Plaza -- White Hill Rm, Oral
Division of Petroleum Chemistry |