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it depend of the catalyst. We can use the IWI for alumina or silica or co precipitation method.
Low manufacturing costs Relatively high pressure drop Large diffusion length HDS, Methanation Not common Low-surface-area catalysts Ammonia Synthesis, Fromaldehyde Regular shape; Most common Good strength. CO shift Hydrogenation Low pressure drop; Poor strength HDS High strength; Low pressure drop Small diffusion length. Steam Reforming Low pressure drop; Insensitive to dust; Small diffusion length Exhaust gas cleaning Low-surface-area catalysts Ammonia oxidation High Temperature reactions
