Catalytic Kinetics: fischer_tropsch
Catalytic reaction kinetics data — activation energy, pre-exponential factors, rate expressions, selectivity, conversion, and deactivation rates for industrial catalytic processes
| reaction id | catalyst id | activation energy kJ mol (kJ/mol) | catalyst name | conversion pct typical (%) | deactivation rate hr (1/hr) | notes | pre exponential factor | pre exponential units | pressure range bar | rate expression | rate law type | reaction order forward | reaction stoichiometry | selectivity pct (%) | space velocity hr | temperature range C |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| fischer_tropsch | co_al2o3 | 94 | Co/Al2O3 silica-supported cobalt | 45 | 0.00005 | Cobalt preferred for low-T FT giving high wax selectivity; LHHW form with CO inhibition term | 310,000,000 | mol/kg_cat/s/bar^n | 15-35 | r = A*exp(-Ea/RT)*P_CO^0.8*P_H2^0.5 / (1 + K_CO*P_CO)^2 | power_law | 0.8 | CO + 2H2 → -CH2- + H2O | 88 | 2000-8000 | 190-230 |
| fischer_tropsch | co_ru_promoted | 88 | Co/Ru/Al2O3 ruthenium-promoted cobalt | 50 | 0.00003 | Ru promoter improves Co reducibility and activity; denominator includes H2O inhibition | 180,000,000 | mol/kg_cat/s/bar^n | 15-35 | r = A*exp(-Ea/RT)*P_H2*P_CO / (1 + K_CO*P_CO + K_H2O*P_H2O)^2 | langmuir_hinshelwood | 1 | CO + 2H2 → -CH2- + H2O | 90 | 2000-8000 | 190-230 |
| fischer_tropsch | fe_fused_shell | 75 | Fe fused magnetite shell catalyst | 38 | 0.0004 | High-T FT operating regime; typical SASOL-type operation | 5,200,000 | mol/kg_cat/s/bar^n | 20-50 | r = A*exp(-Ea/RT)*P_H2*(P_CO/(1 + K_CO*P_CO)) | eley_rideal | 1 | CO + 2H2 → -CH2- + H2O | 75 | 500-2000 | 240-320 |
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