Process for removing mercury from alkali metal alkoxide solution

Details Process for removing mercury from alkali metal alkoxide solution Process for removing mercury from alkali metal alkoxide solution

1998-02-10

2000-12-05

Lee, Howard C.

Liquid purification or separation

Materials removed

Cumulative poison

75742, 75724, 210679, 210688, C02F 142, C22B 4300

Patent

active

061562149

ABSTRACT:
A three-stage process for removing mercury contaminants from alcoholic alkali metal alkoxide solutions is provided, in which mercury is depleted in a first filtration through inert fibrous material, followed by a second filtration through pulverized coal, and then by concentration by distillation, to preferably provide a mercury content below 0.1 ppm.

REFERENCES:
patent: 5391217 (1995-02-01), Zoche
Pitlik, Harris A., "Looking Beyond Blazemarks on Trees--It's TIme to Revisit the Description Requirement in the Wake of Warner-Jenkinson", JPTOS, vol. 79, No. 9, pp. 625-642, Sep. 1997.
"Standardization of methods for the determination of traces of mercury Part 4. Determination of total mercury in gases by atomic absorption spectrometry", Anal. Chim. Acta, vol. 108: 1-11 (abstract only), 1979.
Duerr et al., "Determination of mercury and mercury compounds in air and other non-corrosive gases", Fresenius'Z. Anal. Chem., vol. 283(5), pp. 337-341 (abstract only), 1977.

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