Process for the thermal treatment of hydrocarbon charges in the

Details Process for the thermal treatment of hydrocarbon charges in the Process for the thermal treatment of hydrocarbon charges in the

1984-11-19

1988-07-12

Sneed, Helen M. S.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

208 48R, 208106, 208113, 208121, 208107, 208112, 208251H, 208251R, 585950, 252 83, C10G 916

Patent

active

047568194

ABSTRACT:
This invention concerns a process for the thermal treatment of hydrocarbon charges having a high content of asphaltenes in the presence of additives which prevent coke formation. The additive according to the invention is a salt of a metal selected from V, Mo, Cr, W, Fe, Co and Ni at a concentration between 100 and 2500 ppm of metal relative to the charge either in the form of a suspension of solid particles, in solution or as an emulsion. These additives prevent the coke formation in all thermal treatments of which the temperature is above about 420.degree. C., such as viscoreduction or hydro viscoreduction.

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