Supported heteropolycyclic compounds in the separation and remov

Details Supported heteropolycyclic compounds in the separation and remov Supported heteropolycyclic compounds in the separation and remov

1989-09-18

1991-02-26

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210656, 210679, 210682, 210688, C02F 128

Patent

active

049959840

ABSTRACT:
Compositions comprising carbon-based supports and containing heteropolycyclic compounds such as bipyridyl, phenanthroline or derivatives thereof are used in separation of dissolved late transition metals such as Fe, Co, Ni and Cu from solutions, in particular when such solutions contain high concentrations of other dissolved metals such as Zr, Hf, La, Al and Ba. Such compositions are also used to separate late transition metals such as Pt group metals from each other.

REFERENCES:
patent: 4496664 (1985-01-01), Motojima

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