Norm NART
END OF CYCLE PROJECTION TOOL
Determine the remaining time for the Current Cycle. The deactivation slope/slope-uncertainty/Current NART/Target NART is editable by users
EDITABLE PARAMETERS
CALCULATION OUTPUTS Remaining Cycle Length Max Remaining Cycle Length Remaining Cycle Length Min
Deactivation Slope Deactivation Slope Uncertainty
Current NART Target NART
avg current
equation
TransPlus Average Reactor Temperature TransPlus Normalised Average Reactor Temperature
Regression TransPlus Normalised Average Reactor Temperature
y*
*x(months) + [
].r2-0.122
TransPlus Normalised Days on Oil (righty)
NART Projection What-if Tool
Cycle Prediction with NDOO
End of Cycle Projection
Run
Historical Data
Calculation Done
Min.Est.Cycle Length Est.Cycle Length Max.Est.Cycle length
WIT Name TP NART Projection
NART PROJECTION INPUTS
Description
Unit
Min
Max
Base Case
Deactivation Slope
˚C/mo
Deactivation Slope Uncertai...
%
Current NART
˚C
Normalised days on Oil (Months)
mo ˚C
Current NDOO Target NART
Cycle Production with Actual Date
NART PROJECTION INPUTS
Description
Unit
Min
Max
Base Case
End of Cycle Projection with Actual Date
Current NART
˚C
Target NART
˚C
Historical Data Min.Est.Cycle Length Est.Cycle Length Max.Est.Cycle length
Deactivation Slope Uncertai...
%
Deactivation Slope Min
˚C/mo
Figure 4 Transalkylation process in operation
Monitoring the main KPIs enables unit troubleshooting by continuous comparison of actual and normalised per- formances, calculated based on reconciled data using high fidelity models supplied by the process licensor or catalyst
supplier. In addition, an optimisation module targeting aro- matic yield maximisation can be set up (see Figure 3 ). The optimiser will only search within the defined upper and lower boundaries of the weight average inlet temperature,
Absorbers DP (Calculation)
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Absorber A (Calculation)
Absorber A (Measured)
Absorber B (Calculation)
Absorber B (Measured)
STEP
Absorbers DP (Calculation) 12 Steps Shift
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Absorber A (Calculation)
Absorber A (Measured)
Absorber B (Calc) 12 Steps Shift
Absorber B (Measured) 12 Steps Shift
STEP
Figure 5 Adsorption section in operation
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PTQ Q3 2022
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