Catalytic Kinetics: water_gas_shift_lts
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) | equilibrium constant expression | notes | pre exponential factor | pre exponential units | pressure range bar | rate expression | rate law type | reaction order forward | reaction stoichiometry | space velocity hr | temperature range C |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| water_gas_shift_lts | cu_zno_al2o3 | 55 | Cu/ZnO/Al2O3 low-temperature shift | 90-98 | 0.00008 | Keq = exp(4577.8/T - 4.33) | Sensitive to sulfur and chlorine poisoning; ZnO provides Cu dispersion; Al2O3 is structural support | 296,000 | mol/kg_cat/s/bar^n | 15-40 | r = A*exp(-Ea/RT)*P_CO^0.5*P_H2O^0.5*(1 - P_CO2*P_H2/(Keq*P_CO*P_H2O)) | langmuir_hinshelwood | 0.5 | CO + H2O ⇌ CO2 + H2 | 2000-8000 | 180-270 |
| water_gas_shift_lts | cu_zno_al2o3_mg | 57 | Cu/ZnO/Al2O3/MgO commercial LTS | 90-98 | 0.00007 | Keq = exp(4577.8/T - 4.33) | MgO additive improves thermal stability; typical commercial composition 33%CuO/53%ZnO/15%Al2O3 | 380,000 | mol/kg_cat/s/bar^n | 15-40 | r = A*exp(-Ea/RT)*P_CO^0.5*P_H2O^0.5*(1 - P_CO2*P_H2/(Keq*P_CO*P_H2O)) | langmuir_hinshelwood | 0.5 | CO + H2O ⇌ CO2 + H2 | 2000-8000 | 190-260 |
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