Ion exchange of metals from aqueous solutions using compositions

Details Ion exchange of metals from aqueous solutions using compositions Ion exchange of metals from aqueous solutions using compositions

1975-07-07

1977-08-02

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

75101BE, 260 775NC, 260 775AT, 260 21R, C08F 1824, C22B 300

Patent

active

040394859

ABSTRACT:
Metals can be removed from aqueous solutions by contacting such solutions with a composition formed by reacting polyisocyanurate salts with synthetic resins. The resulting composition contains polyisocyanurate salt groups which act as exchange sites for removing the metals from solution. Regeneration by treatment with suitable inorganic metal salts and use of chloromethylated synthetic resins in the forming of the polymer are utilized in preferred embodiments.

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patent: 3840496 (1974-10-01), Argabright et al.
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patent: 3852100 (1974-12-01), Argabright et al.
patent: 3852220 (1974-12-01), Kimmet et al.
patent: 3920545 (1975-11-01), Argabright et al.

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