| 摘要 |
A method of catalysing a chemical reaction comprising the step of contacting one or more reactants with a catalyst, wherein the catalyst comprises a keratinous support and a first metal cation fixed to the keratinous support. The first metal cation is selected from a scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, molybdenum, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum and gold cation, and mixtures thereof, under conditions for catalysis of the chemical reaction. Also disclosed is a method for preparing the catalyst, comprising treating the keratinous support with a hydrazine salt and a hydroxylamine salt in the presence of a base and treating the modified keratinous support with an aqueous solution comprising a salt of the first metal cation; a method for preparing the catalyst, comprising treating the keratinous support with a hydroxylamine salt, in the presence of a base and treating the modified keratinous support with an aqueous solution comprising a salt of a first metal cation and a salt of a second metal cation. Further disclosed, is the catalyst comprising a keratinous support, such as wool fibre and a first metal cation fixed to the keratinous support, such as wool fibre in an amount 0.03 or greater per gramme of the keratinous support. |
