it is mainly use for hydrogeantion of 4-CBA existing in PTA solution to water-soluble substance
PDC-01 palladium-carbon catalyst is mainly use for hydrogeantion of 4-CBA existing in PTA solution to water-soluble substance, so that PTA can be purified by crystallization.the catalyst also can be used for hydrogenation of intermediate in pharmacy manufacture.
Chemical and physical properties(used for PTA process)
Item | target | Item | target |
Pd content,wt% | 0.05±0.05 | carbon | balance |
Particle distribution | 4.75mm up,5max; 2.36-4.75mm,90min | Surface area,m2/g | 900-1000 |
appearance | Black granule | iron | 300ppm max |
copper | 50ppm max | surfur | 500ppm max |
Reference operating conditions
Temperature,260-300
Pressure,5.0-8.0Mpa,
partial pressure of hydrogen,0.4-0.8Mpa
Space velocity, 5-15 hr-1
Material,PTA concentration,28%;4-CBA content,3300ppm
Conversion rate of 4-CBA,98%min.
Packing and storage
This product is flammable.it need to be stored in sealed , shady and cool condition.
