Batch extracting process using magneticparticle held solvents

Details Batch extracting process using magneticparticle held solvents Batch extracting process using magneticparticle held solvents

1994-02-04

1995-11-21

Walsh, Donald P.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 9, 423 25, 376313, 376315, B01D 1100, C01G 5600, C01G 5700, C22B 6002

Patent

active

054684560

ABSTRACT:
A process for selectively removing metal values which may include catalytic values from a mixture containing same, wherein a magnetic particle is contacted with a liquid solvent which selectively dissolves the metal values to absorb the liquid solvent onto the magnetic particle. Thereafter the solvent-containing magnetic particles are contacted with a mixture containing the heavy metal values to transfer metal values into the solvent carried by the magnetic particles, and then magnetically separating the magnetic particles. Ion exchange resins may be used for selective solvents.

REFERENCES:
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patent: 4574072 (1986-03-01), Horwitz et al.
patent: 4612247 (1986-09-01), Walsh et al.
patent: 4786481 (1988-11-01), Kataoka at al.
patent: 4797264 (1989-01-01), Inoue et al.
patent: 5043070 (1991-08-01), Hwang
patent: 5322644 (1994-06-01), Dunn et al.

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