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Platinum group metal catalysts are widely used in chemical processes for reactions ranging from gas phase oxidation through selective hydrogenation of chemical, petrochemical, and pharmaceutical feedstocks to fuel cell power generation. All six of the platinum group elements have significant catalytic properties; however, platinum, palladium, rhodium, and ruthenium are the most widely used.

Although platinum group metals are more expensive in initial cost than base metal catalysts, they often prove to be more reactive and selective, and require less severe reaction conditions. In addition, the spent catalyst can be recovered and the precious metal reprocessed into fresh catalyst.

Johnson Matthey has served the platinum group metals industry for over 200 years. With our considerable experience and expertise in the manufacture of catalysts and in catalyst technology, we welcome the opportunity to help develop new catalysts to meet your unique requirements and improve your processing.

Heterogenous Catalysts
The major factors affecting the properties of a heterogenous catalyst are the selection of the most appropriate support material and the location of the metal within the pore structure of the support. The most common types of powdered and particulate supports are:

  • Activated carbon
  • Alumina
  • Calcium carbonate
  • Barium sulfate
  • Alumina
  • Carbon

  • Palladium, 0.12%, Ruthenium, 0.12%; on 3mm alumina tablets
  • Palladium, 0.3% on granular carbon, reduced
  • Palladium, 0.5% on 2-4 mm alumina spheres
  • Palladium, 0.5% on 3.18mm (0.125in) alumina pellets, reduced
  • Palladium, 0.5% on 3.18mm (0.125in) alumina pellets, unreduced
  • Palladium, 0.5% on granular carbon, reduced
  • Palladium, 10% on activated carbon paste, 10R394
  • Palladium, 10% on activated carbon paste, A402028-10
  • Palladium, 10% on activated carbon paste, Type 39
  • Palladium, 10% on activated carbon paste, Type 487
  • Palladium, 10% on activated carbon powder, eggshell, reduced
  • Palladium, 10% on activated carbon powder, standard, reduced, nominally 50% water wet
  • Palladium, 10% on activated carbon powder, standard, unreduced, nominally 50% water wet
  • Palladium, 10% on activated carbon powder, Type 58, standard, reduced, nominally 50% water wet
  • Palladium, 10% on activated carbon powder, Type 87L, standard, reduced, nominally 50% water wet
  • Palladium, 10% on activated carbon powder, Type A402023-10, nominally 50% water wet
  • Palladium, 10% on carbon, Type 487, nominally 50% water wet
  • Palladium, 1%, Copper, 0.3% on 2 mm alumina sphere, reduced
  • Palladium, 1%, Copper, 0.3% on alumina granules, reduced
  • Palladium, 1% on 1-2 mm alumina spheres, reduced
  • Palladium, 1% on activated carbon powder, eggshell, reduced, nominally 50% water wet
  • Palladium, 1% on activated carbon powder, standard, reduced, nominally 50% water wet
  • Palladium, 1% on activated carbon powder, standard, unreduced, nominally 50% water wet
  • Palladium, 1% on alumina powder, reduced
  • Palladium, 1% on granular carbon, reduced
  • Palladium, 20% on activated carbon powder, eggshell, reduced, nominally 50% water wet
  • Palladium, 20% on activated carbon powder, eggshell, unreduced, nominally 50% water wet
  • Palladium, 20% on activated carbon powder, standard, reduced, nominally 50% water wet
  • Palladium, 20% on activated carbon powder, standard, unreduced, nominally 50% water wet
  • Palladium, 2.5% Platinum, 2.5% on carbon paste, Type 122
  • Palladium, 3% on activated carbon powder, eggshell, reduced
  • Palladium, 3% on activated carbon powder, eggshell, unreduced, nominally 50% water wet
  • Palladium, 3% on activated carbon powder, standard, reduced, nominally 50% water wet
  • Palladium, 3% on activated carbon powder, standard, unreduced, nominally 50% water wet
  • Palladium, 4.5% Rhodium, 0.5% on carbon paste, F101023-4.5/0.5
  • Palladium, 4% Platinum, 1% on carbon paste E101023-4/1
  • Palladium, 5% on 3mm alumina pellets
  • Palladium, 5% on activated carbon paste, 5R39
  • Palladium, 5% on activated carbon paste, 5R394
  • Palladium, 5% on activated carbon paste, 5R437
  • Palladium, 5% on activated carbon paste, 5R58
  • Palladium, 5% on activated carbon paste, A102023-5
  • Palladium, 5% on activated carbon paste, A405032-5
  • Palladium, 5% on activated carbon paste, A503023-5
  • Palladium, 5% on activated carbon paste, sulfided, A103038-5
  • Palladium, 5% on activated carbon paste, Type 452
  • Palladium, 5% on activated carbon powder, standard, reduced, acidic catalyst, nominally 50% water wet
  • Palladium, 5% on activated carbon powder, standard, unreduced, nominally 50% water wet
  • Palladium, 5% on activated carbon powder, Type 487
  • Palladium, 5% on activated carbon powder, Type A102038-5, standard, reduced, nominally 50% water wet

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