Method for selective removal of heavy metals from liquids

Details Method for selective removal of heavy metals from liquids Method for selective removal of heavy metals from liquids

1986-12-12

1988-07-19

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

426271, B01D 1500

Patent

active

047583517

ABSTRACT:
An agent for selective removal of heavy metals from liquids, especially from wines, fruit juices and alcoholic beverages, consists of a polymer with heavy metal ion binding groups which can be produced by oximating a free aldehyde group-containing polymer with the aid of hydroxylamine, or by polymerizing a polymerizable aldehyde oximated with hydroxylamine, followed by oxidation in each case.

REFERENCES:
patent: 4139502 (1979-02-01), Halmann et al.
patent: 4293693 (1981-10-01), Cohen et al.
patent: 4350801 (1982-09-01), Grasshoff

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