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In selenium roasting furnace copper free anode slime is dried and selenium evaporates as selenium dioxide gas. The selenium is recovered from the off-gases.
The purity of the product selenium is over 99,5% and even higher purity can be reached with treating selenium in a distillation furnace.
Our selenium furnace represents latest technology with high expertice in material selections. Extensive research work has been carried out to develop the process and to find the most suitable materials for the furnace.
For further information, please contact  hydro(at)outotec.com
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