Conversion of heavy petroleum oils to coke with a molten...

Details Conversion of heavy petroleum oils to coke with a molten... Conversion of heavy petroleum oils to coke with a molten...

C - Chemistry, Metallurgy

10

B

C10B 55/00 (2006.01) C10B 57/06 (2006.01) C10G 9/00 (2006.01) C10G 9/34 (2006.01) C10G 19/067 (2006.01) C10G 55/04 (2006.01)

Patent

CA 2325725

A method is described for making a high purity coke fuel or anode grade coke from a heavy petroleum residuum by contacting a molten anhydrous alkali metal hydroxide with the heavy petroleum residuum at a temperature and for a time sufficient to extract substantially all sulfur and heavy metals contained in the petroleum residuum to the alkali metal hydroxide and recovering the coke product.

L'invention concerne un procédé permettant de fabriquer un combustible très pur à base de coke ou du coke de qualité pour anode, à partir de résidus de pétrole lourd. Ce procédé consiste à mettre en contact un hydroxyde métallique alcalin anhydre avec le résidu de pétrole lourd, à une température et pendant un temps suffisant pour extraire sensiblement tout le soufre et les métaux lourds contenus dans le résidu de pétrole, de façon à obtenir des produits solubles dans l'hydroxyde métallique alcalin et à récupérer le produit coke.

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