QDB-S series presulfurized sulfur-tolerant shift catalyst is a new type of sulfur-tolerant shift catalyst that can be used directly without sulfurization treatment in the reactor of industrial equipment. In addition to having all the performance characteristics of conventional oxidized catalysts, this catalyst also has the advantages of easy catalyst replacement, saving factory start-up time, safety and environmental protection, etc.
Physical and chemical properties
CoO (wt%): 1.0 ~ 4.0
MoO3 (wt%): 8.0 ± 1.0
Carrier + additive (wt%): balance
Appearance: black or pink strip or column
Specification (mm): ∅3.5-4.5
Bulk density (kg/l): 0.80-1.05
Pore volume (ml/g): ≥0.25
Specific surface area (m2/g): ≥100
Main conditions of use
Pressure (MPa): ~8.0
Temperature (°C): 190-500
Heat-resistant temperature (°C): 550
Dry gas space velocity (hT): 500-8000
Water-gas ratio: ~1.6
