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Towards sustainable production of value-added chemicals and materials from lignocellulosic biomass: carboxylic acids and cellulose nanocrystals
(Lappeenranta University of Technology, 2018-11-02)
Industrial production of many chemicals and chemical products depends primarily on fossil resources. Lignocellulosic biomass, which is the most abundant and sustainable biomass on earth, is a potential renewable resource ...
Ligno-cellulose fibre poly(lactic acid) interfaces in biocomposites
(Lappeenranta University of Technology, 2018-11-23)
Thermoplastic composite materials based on renewable raw materials are promoted globally in various ways. They can be prepared as durable, but biodegradable materials as poly(lactic acid) (PLA) ligno-cellulose composites ...
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 ...
Modified chitosan nanoparticles at liquid-liquid interface for applications in oil-spill treatment
(Lappeenranta University of Technology, 2018-12-10)
Oil-spills continue to be a serious threat to the environment and the climate change is expected to increase oil related industry and transportation in Arctic regions due to the melting of the ice cover. Nanoparticles ...
Model-based design and optimisation of hydrometallurgical liquid–liquid extraction processes
(Lappeenranta University of Technology, 2018-11-12)
Hydrometallurgical methods are suitable for the treatment of primary, secondary, highand low-grade raw materials enabling the production of metals essential to modern society, in an environmentally and economically sustainable ...
Experimentally validated numerical modelling of reacting multiphase flows in stirred tank reactors
(Lappeenranta-Lahti University of Technology LUT, 2019-04-12)
Homogenization of reacting flows by mixing is often important in order to achieve high reaction rates. Mechanical RANSagitation is the usual way to homogenize fluids used in industry. When supplied to fluid media, mechanical ...