PDC-01 palladium-carbon catalyst
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% |
0.5±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:260-300ºC
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
iii.Package: