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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 ...
Ecodesign of Construction and Demolition Waste-Derived Thermoplastic Composites
(Lappeenranta-Lahti University of Technology LUT, 2020-12-12)
The use of recycled materials in composites has been studied since the 1990s. Research has traditionally focused on technical properties, as well as the recyclability of materials. How these composites should be used or ...
Implementation of circular economy in regional strategies
(Lappeenranta-Lahti University of Technology LUT, 2021-12-22)
One proposed solution to the sustainability crisis is to pursue a circular economy, which is a regenerative economic system that aims to design out waste while keeping products and materials in use for as long as possible. ...
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 ...
Life cycle cost-driven design for additive manufacturing : the frontier to sustainable manufacturing in laser-based powder bed fusion
(Lappeenranta-Lahti University of Technology LUT, 2021-09-27)
Additive manufacturing (AM) is a manufacturing method that creates components in a layer-wise manner. Laser-based powder bed fusion (L-PBF) is one of the most used AM subcategories to manufacture metal components, referred ...
Impacts of recycled carbon fibre and glass fibre as sustainable raw materials for thermosetting composites
(Lappeenranta-Lahti University of Technology LUT, 2022-09-23)
The fibre-reinforced polymer composites were implemented in various applications as a potential alternative to traditional metals. In particular, the carbon fibre-reinforced polymer (CFRP) and glass fibre-reinforced polymer ...
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 ...
Environmental impacts of the utilisation of challenging plastic-containing waste
(Lappeenranta-Lahti University of Technology LUT, 2022-12-01)
The current economy is primarily based on the concept of a linear economy, which results in negative impacts on the environment, human health, and over-dependency on resources. Shifting towards a circular economy could ...
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 ...
The role of artificial intelligence in circular value creation : a conceptual framework and evidence from case studies
(Lappeenranta-Lahti University of Technology LUT, 2023-11-17)
The digital transformation and circular economy (CE) are two megatrends that have been discussed not only among practitioners and policy makers, but also as an interesting topic of research in the scientific world. While ...