钯碳（Pd/C）

Name: Palladium on activated carbon

CAS: 7440-05-3

Palladium content (dry base %) : 1%, 3%, 5%, 10%

Carrier material: coconut shell, coal, wood activated carbon, etc

Carrier form: powdered activated carbon

Application field:

      The main function of palladium-carbon catalyst is to catalyze the hydrogenation of unsaturated meridians or C=O. It has the characteristics of high hydroreducibility, good selectivity, stable performance and so on, small feed ratio when used, can be used repeatedly and easy to recycle. Widely used in petrochemical industry, pharmaceutical industry, fragrance industry, dye industry and other fine chemical oxygen reduction refining process.

Application times: depending on the specific reaction (such as reaction temperature, reaction medium pH, etc.)

Specific surface area (㎡/g) :   ≥930

Metal surface area (㎡/g) :    85-105

Carrier average particle size (μm) :  15,20,30,50,80,100 (can be adjusted according to the specific application reaction type and filtration equipment)

Impurities (m%) : Cu, Fe, Cr, Ni, Ag, Mg and other impurities ≤0.3

Particle strength (m%) :  ≥90

Moisture content:  30%~65%

Ash content (m%) :  ≤5

Carrier form: spherical activated carbon

Application field:

      It is mainly used in fixed bed reactions with large production capacity, such as nitro reduction, double bond hydrogenation, dechlorination, debenzylation, ester hydrocracking, heterocyclic hydrogenation, ketoamine condensation, etc., which has advantages of large production, high automation, low labor and production cost compared with the reactor reaction to a certain extent.

Catalyst life: depends on the specific reaction and fixed bed device specifications

Spherical regular particles 1.2mm:  >99%

Specific surface area (m²/g) :  >850

Pore volume (ml/g) :  >0.5

Aperture (nm) :  2-3

Packing density (g/ml) :  about 0.5

Compressive strength (N) :  20-25

Carrier form:

Columnar activated carbon diameter:  0.8-4mm, length 2-8mm;

Sheet activated carbon:  4-6 mesh, 6-8 mesh, 8-12 mesh;

Amorphous granular activated carbon:  10-40 mesh

Specific surface area (㎡/g) :  750-1320

Pore volume (ml/g) :  0.35-1.0

Aperture (nm) :  1.5-25

Packing density (ml/g) :  0.44-0.75

Compressive strength (N) :  20-8