Process for upgrading heavy petroleum feedstock

Mineral oils: processes and products – Chemical conversion of hydrocarbons – With preliminary treatment of feed

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208 48AA, 208106, 208131, 208240, C10G 5504

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active

046421750

ABSTRACT:
The coking tendencies of heavy hydrocarbon feedstocks are reduced by treatment with a free radical removing catalyst such as a transition metal naphthenate, preferably at temperatures below 350.degree. C. The treated product has improved stability as such and may be treated in subsequent processing operations such as catalytic cracking and thermal cracking, including visbreaking and coking, with improved liquid yield and reduced coke production.

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