Process for reducing ramsbottom test of short residues

Details Process for reducing ramsbottom test of short residues Process for reducing ramsbottom test of short residues

1982-06-24

1983-08-02

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With subsequent treatment of products

208108, 208111, 208212, 208309, C10G 6704

Patent

active

043964931

ABSTRACT:
In the preparation of a heavy oil with a low Ramsbottom Carbon Test (RCT) from a short residue by a two-stage process comprising catalytic hydrotreatment followed by solvent deasphalting and recycle of the asphalt to the first stage, the catalytic hydrotreatment for RCT reduction in the first stage is carried out at such severity that the C.sub.4.sup.- production per percent RCT reduction is kept between defined limits.

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