Phenolic chelate resin, process for producing the same, and meth

Details Phenolic chelate resin, process for producing the same, and meth Phenolic chelate resin, process for producing the same, and meth

1982-07-20

1983-11-08

Kyle, Deborah L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 20, 423 215, 423 24, 423 54, 423 63, 423100, 423112, 210682, 210688, 210698, 210912, C22B 6002, B01J 4500

Patent

active

044141831

ABSTRACT:
The phenolic chelate resin has a chelate-forming group wherein part or all of the hydrogen atoms in a primary and/or secondary alkylamino group introduced in a phenol nucleus are replaced by a methylenephosphonate group. Also disclosed is a process for producing such a chelate resin, and a method for recovering heavy metal ions with such a resin. The resin has particularly high selectivity for adsorbing uranium ions, as well as high heat, acid and alkali resistance as well as dimensional stability. The resin is very effective for recovering uranium from various uranium-containing solutions such as sea water, crude phosphoric acid fertilizer solutions, low-grade uranium ore, waste water from uranium refining, and uranium mine water.

REFERENCES:
patent: 2863717 (1958-12-01), Kunin
patent: 3067004 (1962-12-01), Vanderkooi
patent: 4233272 (1980-11-01), Eresen et al.

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