| abstract |
The present invention relates to a method for recycling rhenium coming from waste donator epoxidation catalyst. The method comprises: supplying a donator containing waste rhenium-containing epoxidation catalyst, wherein the donator has more than or equal to 0.16kT/m<3> cumulated oxiranes of the epoxidation catalyst yield capacity, leading the donator to contact with water-containing liquid so as to produce rhenium-poor donator and water-containing extract containing extracted rhenium, separating the water-containing extract and the rhenium-poor donator, and using the extracted rhenium as rhenium source in later technique. |