Process for reducing ramsbottom carbon test of long residues

Details Process for reducing ramsbottom carbon test of long residues Process for reducing ramsbottom carbon test of long residues

1982-06-15

1984-07-17

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 40, 208112, 208143, 208309, C10G 4500, C10G 4702, C10G 4704, C10C 308

Patent

active

044604564

ABSTRACT:
Process for the preparation of a heavy oil with a low Ramsbottom Carbon Test (RCT) from a long residue by (a) catalytic hydrotreatment for RCT reduction at such severity that the C.sub.4.sup.- gas production per percentage RCT reduction is kept between defined limits, followed by (b) solvent deasphalting of the (vacuum or atmospheric) distillation residue of the hydrotreated product.

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