Hae LUTPubista
Aineistot 1-10 / 10
Modification of carbon-based electrodes using metal nanostructures : Application to voltammetric determination of some pharmaceutical and biological compounds
(Lappeenranta-Lahti University of Technology LUT, 2019-08-16)
In this study, new modified carbon-based electrodes were fabricated and applied in the detection and determination of several medicines and water pollutants. Modification enhanced the use of these electrodes for analytical ...
Selective recovery of rare earth elements from diluted aqueous streams using n- and o-coordination ligand grafted organic-inorganic hybrid composites
(Lappeenranta-Lahti University of Technology LUT, 2019-06-04)
The dominance exerted by the rare earth elements (REE) on the significant technological advancements of the past decades has been unmitigated and unparalleled. With such an eminent role played by REEs, there exists a ...
Towards a sustainable valorisation of spilled oil by establishing a green chemistry between a surface active moiety of chitosan and oils
(Lappeenranta-Lahti University of Technology LUT, 2019-08-15)
This thesis presents fabrication of sustainable surfactants from bio-polymer and demonstrates their performance in dispersion of spilled oil with different quality of water and climatic conditions, to provide a sustainable ...
Hydrothermal stability of microfibrillated cellulose
(Lappeenranta-Lahti University of Technology LUT, 2019-09-06)
The aim of this study was to investigate the effects of hydrothermal treatment on microfibrillated cellulose (MFC). MFC gels were prepared by fibrillating never-dried kraft and dissolving pulps pretreated with endoglucanase. ...
Synthesis of hybrid bio-nanocomposites and their application for the removal of rare earth elements from synthetic wastewater
(Lappeenranta-Lahti University of Technology LUT, 2019-06-03)
In recent decades, the application of rare earth elements (REEs) has become apparent in numerous technological sectors. The gap in the supply and demand of REEs, as well as the increasing pollution of REEs, has raised the ...
Atomic Layer Deposition of Catalytic Materials for Environmental Protection
(Lappeenranta-Lahti University of Technology LUT, 2019-06-11)
The reduction of toxic pollutants emitted by human activities to ambient air is an important issue nowadays. The technological approach to this problem is the development of different oxidation techniques together with ...
Pulsed corona discharge for wastewater treatment and modification of organic materials
(Lappeenranta-Lahti University of Technology LUT, 2019-07-02)
Sustainable development is one of the most important questions in the contemporary world. Wastewater treatment and the search for renewable sources of organic products are essential, not only in the future but also for ...
Membrane bioreactor for the removal of emerging contaminants from municipal wastewater and its viability of integrating advanced oxidation processes
(Lappeenranta-Lahti University of Technology LUT, 2019-10-01)
Water scarcity is undoubtedly a global concern due to exacerbated population growth, economic development, climate change, and rapid urbanization. This has necessitated the need for establishing more sustainable and ...
Mass transfer modeling in slow-release dissolution and in reactive extraction using experimental verification
(Lappeenranta-Lahti University of Technology LUT, 2019-12-05)
In this thesis, models related to mass transfer operations were studied in two cases. One study case was the dissolution of potassium chloride (KCl) particles in water, and another study case was the reactive solvent ...
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 ...