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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
313Choice of a Process Technology
analysiswas performed on three variables: the heat duty for the third ash opera-
tion to separate the solvent from the product oil (Flash 3), and the mass ow rates
for the 2-propanol and n-hexane. An optimal operating temperature for the Flash 3
distillation was identied as 111°C (232°F), which maximized the ow rates of the
2-propanol and n-hexane while minimizing the heat duty for this operation.
No information was presented on the economics of this process, and the require-
ment for signicant quantities of clay and the energy requirements for the other dis-
tillation processes would have to be evaluated and be incorporated into an economic
model. The disposal of dry sludge and dry clay would also have to ...
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Publisher Resources

ISBN: 9781466551497