Low pressure drop, highly active catalyst systems using catalytically active gold

A method of making a catalyst system, comprising the steps of:

• a) providing a plurality of nanoporous particles wherein a catalyst is provided on the particles, the catalyst comprising a plurality of gold clusters having a size in the range of about 0.5 nm to about 50 nm;
• b) providing a fluid conduit having an inner surface defining at least a portion of a flow-through channel;
• and
• c) causing the particles to be supported on at least a portion of the inner surface.

A method of making a catalyst system, comprising the steps of:

• a) providing a plurality of composite particles having a guest/host structure comprising a plurality of nanoporous guest particles and a plurality of host particles, wherein a catalyst is provided on the guest particles, the catalyst comprising a plurality of gold clusters having a size in the range of about 0.5 nm to about 50 nm;
• b) providing a fluid conduit having an inner surface defining at least a portion of a flow-through channel;
• and
• c) causing the composite particles to be supported on at least a portion of the inner surface.