Figure 2-40. Fluid Flow--Catalytic Cracking Unit.
(7)
Lubricating oil refining.
Another major product of a refinery is
The heavy wax-oil components of crude oil are the raw materials of
lubricating oil processing. These heavy hydrocarbons are separated during primary
distillation and routed into the lube oil manufacturing area.
(a)
The refining of lube oils and greases takes place in three to four
small processing units. These units will be grouped together and contain a number
of small distilling towers, small pipe furnaces, and a large rectangular building.
(b)
Adjacent to the processing area will be a large number of small and
medium-sized cylindrical storage tanks for the storage of finished products.
(c)
Finally, a product packaging plant and shipping facility are usually
present. These large rectangular buildings will be near the storage tanks and have
road, rail, or water transportation available.
(d)
Together, the processing area, the tank area, and the packaging plant
give the lubricating oil section a unique appearance and make it rather easy to
identify.
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