Process for separating molybdenum and/or other metals contained

Details Process for separating molybdenum and/or other metals contained Process for separating molybdenum and/or other metals contained

1980-11-05

1982-03-02

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 53, 423 64, 423 65, 423 85, 75108, 252420, C01G 3900

Patent

active

043178022

ABSTRACT:
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.degree. and 220.degree. 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.

REFERENCES:
patent: 3763303 (1973-10-01), Khuri et al.
patent: 3887361 (1975-06-01), Lemke
patent: 4046852 (1977-09-01), Vertes et al.
Watanabe et al., "Chemical Abstr.", vol. 81, 1974, #39646m, pp. 140-141.

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