Frost to Clean Waste Water

20.08.2015

The University of Technology, Lappeenranta (Finland) suggests using lower temperatures for wastewater treatment in the mining industry.

Frost to Clean Waste Water

The surface layer of ice is cleaner in crystallization. It can be melted and reused in the production process after filtration. Remaining the ice contains toxic substances, so it is to be stored in special tanks. This cleaning method does not require much energy and saves fresh water.