GMR Gesellschaft für Metallrecycling mbH

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Germany
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DIN EN ISO 9001:2015
Mitglied in der Umweltallianz Sachsen
DIN EN ISO 14001:2015

Manufacturer
Germany
Website
Product inquiry
Phone

DIN EN ISO 9001:2015
Mitglied in der Umweltallianz Sachsen
DIN EN ISO 14001:2015

Vacuum thermal demercurisation by GMR Gesellschaft für Metallrecycling mbH

Vacuum-thermal demercurization

The collected/delivered mercury-containing waste is sorted and mechanically pre-treated, whereby, if possible, the main quantity of mercury contained is already removed.

The vacuum-thermal treatment for demercurization takes place in tightly sealed facilities in batch operation. Here, the mercury contained in the waste is quantitatively vaporized at temperatures between 340°C and 650°C and pressures of a few millibars, and then recovered as raw mercury by condensation at low temperatures. If necessary, organic components are thermally oxidized in an afterburner chamber under air or oxygen addition at temperatures of 800°C-1000°C. The residues remaining after vacuum-thermal treatment are practically mercury-free and, depending on the constituents, are either sent for further recycling or harmless disposal. The crude mercury obtained as a result of thermal treatment is refined into mercury of the highest purity in a multi-stage purification process and marketed.

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