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Distribution Study Reactor Stripper
Benefits of the TRACERCO Diagnostics™ Distribution Study
- Measures catalyst distribution through the stripping section
- Measures vapor distribution through the stripping section
- Identify problem areas for upcoming turnarounds to assist in scheduling
maintenance, resulting in an on-time turnaround performance
At the base of the Reactor, stripping steam is used to remove adsorbed
hydrocarbons from the catalyst. In the stripper section trays, baffles,
packing, or mixers are installed to improve the stripping efficiency.
Uniform distribution of catalyst and steam in the stripper is critical
to achieve high stripping efficiency (less carry-down of the hydrocarbon
products from reactor to regenerator). A failure to effectively remove
the hydrocarbon from the catalyst will result in a loss of product, loss
of throughput, and lowered catalyst activity due to increased regenerator
bed temperature.
A TRACERCO Diagnostics™ Distribution study can be performed to
identify catalyst and vapor distribution in the stripper. Study of the
catalyst and steam flow requires two tracers injected separately, one
for tracing the catalyst and one for tracing the steam. Two groups of
detectors (4 or more detectors for each group) are placed respectively
at the top and bottom of the stripper. The vapor and catalyst response
profiles can be overlaid and interpreted for superficial velocity and
distribution.
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