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FCC
heavy naphtha hydrofining technology
to produce reformer feed
Background
Most
sulphides are concentrated in heavy fractions of FCC
gasoline. These fractions are treated to be the reformer
feeds with deep hydrofining by removing sulfur, nitrogen
and other impurities and having the olefins saturated,
which not only resolved the high sulfur content problem of
gasoline, but also increased the production of reformer
gasoline. Belows are the typical operating conditions:
Pressure:
2.0-8.0MPa
Temperature:
280-320≧
LHSV:
1.5-3.0h-1
H2/oil(v/v):
200-400
Aimed at
Refineries
need more reformer feeds and sulfur content in FCC
gasoline is too high.
Main
properties of hydrofined product
S
content is less than 0.5ppm, which can be of quality
reformer feeds.
Costs
of investment and operation
The
implementation of FCC heavy naphtha hydrofining technology
can be based on revamping existed hydrofining plants.
For
constructing a new plant on a 0.2Mt/a base, capital cost
is around USD5.0M, operation costs is around USD10.4/ton
feed (including hydrogen cost).
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