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Refining Used Lubricating Oils
book

Refining Used Lubricating Oils

by James Speight, Douglas I. Exall
April 2014
Intermediate to advanced content levelIntermediate to advanced
466 pages
17h 36m
English
CRC Press
Content preview from Refining Used Lubricating Oils
438 Appendix C: Unit Operations in a Re-Refinery
deposits can arise from the additives that are present in the lube oils and can be dif-
cult to handle in a distillation column: this led to the interest in and application of
wiped lm evaporators in many cases.
C.1.5.2 Wiped-Film Evaporators
The wiped lm evaporator is not as versatile as the distillation column in that it
results in an overow and an underow product stream, but it has a number of advan-
tages that can be important for recycled oil treatment. The feed enters the top of the
cylindrical vessel shown in Figure C.4 and ows down the walls. A jacket around
this cylindrical vesse
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Publisher Resources

ISBN: 9781466551497