Process for improving the pour point of paraffin feedstocks with

Details Process for improving the pour point of paraffin feedstocks with Process for improving the pour point of paraffin feedstocks with

1998-10-15

1999-11-23

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

208135, 208136, 208137, 208143, 208144, 208145, 20811135, 2081111, 208109, 20811101, 208 27, C10G 3506, C10G 35085, C10G 35095, C10G 4712

Patent

active

059894105

ABSTRACT:
The invention relates to a process for improving the pour point of a feedstock that comprises paraffins of more than 10 carbon atoms, in which the feedstock that is to be treated is brought into contact with a catalyst that comprises the IM-5 zeolite and at least one hydro-dehydrogenating element, at a temperature of between 170 and 500.degree. C., a pressure of between 1 and 250 bar, and an hourly volume velocity of between 0.05 and 100 h.sup.-1, in the presence of hydrogen at a ratio of 50 to 2000 l/l of feedstock. The oils that are obtained have good pour points and high viscosity indices (VI). The process can also be applied to gas-oils and other feedstocks whose pour points need to be lowered.

REFERENCES:
patent: 4474618 (1984-10-01), Yen et al.

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