Method for two-step hydrocracking of hydrocarbon feedstocks

Details Method for two-step hydrocracking of hydrocarbon feedstocks Method for two-step hydrocracking of hydrocarbon feedstocks

2007-01-09

2007-01-09

Caidarola, Glenn (Department: 1764)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

C208S058000, C208S089000, C208S111050

Reexamination Certificate

active

10343218

ABSTRACT:
An improved hydrocracking process of hydrocarbon charges, in two stages with an intermediate separation, in which the second-stage of hydrocracking is carried out in the presence of an added nitrogen content which is greater than 150 ppm by weight, preferably about 500 ppm by weight, and preferably in the presence of a Y zeolite catalyst, produces high yields of middle distillate.

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