Hydrocracker Catalyst Deactivation & Life Predictor
What-If scenario modeling for WABT progression, coking & poison accumulation
Kinetic Deactivation Model
Operating Scenarios
Standard Base Run
Heavy Feed & Severe Coking
Contaminated Feed (High N/Metals)
High Severity (Target Diesel)
What-If Process Variables
Feed Rate / LHSV (h⁻¹)
1.10 h⁻¹
H₂ Partial Pressure (bar)
135 bar
Basic Nitrogen in Feed (wppm)
45 wppm
Metals (Ni + V) (wppm)
1.5 wppm
Feed Polyaromatics / ConCarbon (%)
0.40 %
Start-of-Run WABT (°C)
372 °C
End-of-Run Limit WABT (°C)
420 °C
Predicted Cycle Life
28.4 mos
Deactivation Rate
1.69 °C/mo
Coke Deposition Est.
14.2 wt%
Feed Quality Index
Moderate
WABT (Weighted Average Bed Temp) Trajectory vs Time
EOR Target Constraint
Deactivation Mechanism Breakdown & Sensitivity
Factor
Relative Contribution
Estimated Impact
Mitigation Strategy
* Note: Illustrative simulation based on modified Arrhenius-coking kinetics and irreversible poison accumulation models calibrated for typical 2-stage/single-stage gasoil hydrocracking units.