Recovery of metals

Details Recovery of metals Recovery of metals

1975-05-20

1977-07-05

Ozaki, G.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

75117, 75119, 75120, 75121, 252455Z, 210 24, 423 54, 423 63, 423 70, 423100, 423112, 423139, C22B 4300, C22B 1500, C22B 2600

Patent

active

040337642

ABSTRACT:
Metal ions may be scavenged from solution by means of a complexing agent comprising an inorganic substrate, such as a clay mineral, with covalent organic molecules, such as onium compounds, chemically bonded to the substrate, the covalent organic molecules containing free coordinating groups. The complexing agents are particularly useful in scavenging environmentally harmful metal ions such as mercury from industrial effluents.

REFERENCES:
patent: 3200082 (1965-08-01), Breck et al.
patent: 3699207 (1972-10-01), Roever et al.
patent: 3849533 (1974-11-01), Hetz
patent: 3872001 (1975-03-01), Davis et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd Edn., vol. 5, Interscience Publishers, N. Y., 1963, pp. 541-557.

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