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| | Sulphided platinum group metal-silicalite dehydrogenation catalysts - Patent 4795732 |
 | | These include (1) activated carbon, coke, or charcoal; (2) silica or silica gel, silicon carbide, clays and silicates; (3) ceramics, porcelain, crushed firebrick, bauxite; (4) refractory inorganic oxides such as alumina, titania, zirconia and the like; (5) crystalline zeolite silicates; (6) spinels; and (7) combinations of the foregoing. |
 | | Platinum, for example, may suitably be added in the form of tetramine platinum dihydroxide or dihalide, for example dichloride. |
 | | Suitable sources of silica include, for example, sodium silicate, silica hydrosol, silica gel, silica sol and silicic acid. |
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