Method for controlling hydrocracking and isomerization dewaxing

Details Method for controlling hydrocracking and isomerization dewaxing Method for controlling hydrocracking and isomerization dewaxing

1993-08-05

1995-05-30

Pal, Asok

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208108, 208109, 208110, 208DIG1, C10G 4736, C10G 4716

Patent

active

054198305

ABSTRACT:
Nitrogenous compounds especially bases such as ammonia vapor are used to control the operation of a hydrocracker or catalytic dewaxer. Catalyst activity and selectivity may be controlled by addition of the base to the feed, for example, to control the balance between isomerization and hydrocracking in an operation using a zeolite beta catalyst. Runaway conditions may be controlled by the addition of nitrogenous compounds to regulate the temperature profile within the reactor.

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