Hydrocracking process for enhanced quality and quantity of middl

Details Hydrocracking process for enhanced quality and quantity of middl Hydrocracking process for enhanced quality and quantity of middl

1994-10-06

1996-10-15

Pal, Asok

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 59, 208111, C10G 6512, C10G 4720

Patent

active

055650880

ABSTRACT:
The invention is a hydrocracking process which produces an increased amount of hydrocarbons useable as diesel fuel by isomerization of high boiling paraffins using a dewaxing catalyst. The process is characterized by the use of a dewaxing catalyst containing a very small amount of a non-noble metal hydrogenation component such as nickel on an intermediate pore nonzeolitic molecular sieve (NZMS) material. This dewaxing catalyst has been found to be very effective in reducing the pour point of a diesel boiling range distillates even in the presence of sulfur levels which adversely affect catalysts containing higher amounts of the same metal component.

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patent: 5149421 (1992-09-01), Miller
patent: 5385663 (1995-01-01), Zimmerman et al.

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