PROCESS OF PRODUCING MIDDLE DISTILLATES VIA HYDROISOMERIZATION AND HYDROCRACKING OF HEAVY FRACTION FORM PRODUCTS OBTAINED IN FISCHER-TROPSCH PROCESS AND APPARATUS FOR IMPLEMENTATION OF THE PROCESS Russian patent published in 2006 - IPC C10G65/12

Abstract RU 2283857 C2

FIELD: petroleum processing and petrochemical industry.

SUBSTANCE: heavy fraction with boiling point from 120 to 200^°C is isolated and a part of it is passed through amorphous halogen-free hydroisomerization/hydrocracking catalyst, on which conversion of hydrocarbons with starting boiling points higher than or equal to 370^°C into products having boiling points below 370^°C exceeds 80 wt %. Thereafter, fraction undergone hydrocracking and hydroisomerization is distilled to produce middle distillates and residual fraction boiling higher than said middle distillates, which is recycled to contact zone with aforesaid amorphous hydroisomerization/hydrocracking catalyst.

EFFECT: improved quality and yield of desired products.

11 cl, 1 dwg, 7 tbl

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RU 2 283 857 C2

Authors

Benazzi Ehrik

Gere Kristof

Dates

2006-09-20—Published

2002-06-26—Filed