C3 selective hydrogenation catalyst for MAPD removal.
Technical Requirements for Carbon Three Liquid Phase Hydrogenation Catalysts:
Test method for project quality indicators
Appearance: earthy yellow clover. Visual inspection
Outer diameter (mm) 1.5-2.5, measured with a vernier caliper a
Length (mm) 3-10, measured with a vernier caliper a
Bulk density (g/mL) 0.65~0.72 Q/SY SHY 0068-2014
Specific surface area (m2/g) 50-90 GB/T 5816
Radial compressive strength (N/cm) ≥ 50 HG/T 2782
Palladium (Pd) content (mass fraction) (%) 0.30 ± 0.02 SH/T 0684
Active component Pd Ag/Al2O3---
Use a vernier caliper to directly measure the particle size of catalyst particles and calculate the average value of 50 samples, accurate to 0.1mm.
Performance indicators of C3 liquid-phase hydrogenation catalyst:
(Single stage hydrogenation) Product performance under operating conditions
Reaction pressure: 2.2-2.8Mpa
Initial inlet temperature: 30-35 ℃
Export temperature: 55-62 ℃
Hydrogen acetylene molar ratio: 1.0-1.5
Entrance MAPD content
(Added circulation amount): 2.0-3.0 mol%
Volume airspeed: 30-60h-1, outlet MAPD content:<500ppm
Acrylic selectivity: 50-80%
Green oil generation:<400ppm
Bed pressure drop ＜ 50KPa
Regeneration cycle: ≥ 18 months
Service life: ≥ 5 years
Reaction pressure: 2.2-2.8Mpa
Initial inlet temperature: 30-35 ℃
Export temperature: 50-58 ℃
Hydrogen acetylene molar ratio: 1.0-1.5
Entrance MAPD content
(Added circulation amount): 1.0-2.0mol%
Volume airspeed: 40-80h-1, outlet MAPD content:<500ppm
Acrylic selectivity: 40-80%
Green oil generation:<400ppm
Bed pressure drop ＜ 50KPa
Regeneration cycle: ≥ 18 months
Service life: ≥ 5 years
