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Novel treatment methods for green liquor dregs and enhancing circular economy in kraft pulp mills
(Lappeenranta University of Technology, 2018-12-17)
Green liquor dregs (GLD) are known to be the largest fraction of inorganic residue in the kraft pulping process, or even in virgin pulp production. GLD originates from the chemical recovery cycle where effective cooking ...
Sustainability of phosphorus supply chain : circular economy approach
(Lappeenranta-Lahti University of Technology LUT, 2021-10-22)
Access to non-renewable natural resources is becoming more difficult and expensive. It is due to the growing demand triggered by industrial and agricultural development. That is the reason why several research studies have ...
Water-energy nexus for waste minimisation in the mining industry
(Lappeenranta-Lahti University of Technology LUT, 2022-07-06)
Water and energy use are intrinsically intertwined and are critical factors influencing mining sustainability. The rising demand for metals and the decrease of ore grade cause the increase of water volume required and the ...
Sustainable management of water and tailings in the mining industry
(Lappeenranta-Lahti University of Technology LUT, 2022-09-23)
The mining industry consumes water and energy to produce a metal or mineral product from mineral resources on the earth’s crust, leaving enormous waste. The main waste produced by the mining industry is mine tailings, which ...