| 摘要 |
The process relates to the separation of the molybdenum and/or tungsten, titanium, vanadium, niobium or tantalum present in the form of organometallic compounds in residual effluents. It is applicable, in particular, to the effluents originating from the epoxidation of olefins by hydroperoxides. The process involves treating the effluent with from 1 to 10% by weight of water, at between 150 DEG and 220 DEG C. under pressure, to render the metals listed above insoluble, without forming a distinct aqueous phase. The solid phase containing more than 95% of the metals is separated by filtration. After treatment, the effluents can be used without disadvantage, for example as a fuel, and the metals can be recovered from the solid phase.
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