Selaus nimekkeen mukaan kokoelmassa 2 Tekniikka
Viitteet 117-136 / 160
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Reactive dissolution of sedimentary rocks in flue gas desulfurization : modeling and experimental investigation
(Åbo Akademi - Åbo Akademi University, 10.12.2010)Svavel förekommer i kol och olja och oxideras vid förbränning till svaveldioxid (SO2). Årligen utsläpps stora mängder svaveldioxid som åstadkommer sura regn, minskning av stratosfäriskt ozon och sjukdomar. Av dessa orsaker ... -
Reactor Modelling for Fluid-Solid Systems
(Åbo Akademi - Åbo Akademi University, 13.10.2017)Reactor Modelling for Fluid-Solid Systems The aim of the present doctoral thesis is the development of reliable mathematical models for the simulation of fluid-solid reactors. The main idea was to elaborate a rigorous ... -
Reductive catalytic depolymerization of industrial lignin and hemicellulose – process development and intensification
Acta technologiae chemicae Aboensia : 2021 A/4 (Åbo Akademi University & Institut National des Sciences Appliquées de Rouen, 01.10.2021)Modern biorefinery aims at utilizing renewable feedstocks to make a wide range of products such as chemicals, biofuels, and biomaterials while leaving as little residue as possible. Lignocellulosic biomass is a promising ... -
Regioselective modification of galactose-containing polysaccharides in aqueous media
(Åbo Akademi - Åbo Akademi University, 25.10.2013)Biorefining is defined as sustainable conversion of biomass into marketable products and energy. Forests cover almost one third of earth’s land area, and account for approximately 40% of the total annual biomass production. ... -
Roll-to-roll processing of nanocellulose into coatings
(Åbo Akademi - Åbo Akademi University, 15.02.2018)Paper and paperboard consumption is growing worldwide. However, the demand for traditional graphic paper grades is dwindling in mature markets, e.g. Europe, due to an increasing influence of the electronic media. For a ... -
Segregation of powder mixtures in silos with particular reference to dry mineral-based construction materials
(Åbo Akademi - Åbo Akademi University, 20.04.2012) -
Silicon-containing species in used lube oil re-refining
(Åbo Akademi - Åbo Akademi University, 23.03.2015)Nowadays, the re-refining of the used lube oils has gained worldwide a lot of attention due to the necessity for added environmental protection and increasingly stringent environmental legislation. One of the parameters ... -
Silk-inspired molecular design of bacterial nano-cellulose biomaterials
(Åbo Akademi University, 14.10.2020)In recent years, there has been a growing interest in the development of bio-inspired materials as they have the potential to offer improvements in the design of superior mechanical performance materials. Furthermore, the ... -
Solution-Processable Compact and Mesoporous Titanium Dioxide Thin Films as Electron-Selective Layers for Perovskite Solar Cells
(Åbo Akademi - Åbo Akademi University, 06.08.2020)Perovskite solar cells (PSCs) is a promising photovoltaic technology for low-cost electricity generation to fulfill future demands. However, the success of any photovoltaic device is highly dependent on the quality of its ... -
Some reformulations for the quadratic assignment problem
(Åbo Akademis förlag - Åbo Akademi University Press, 28.03.2014) -
Sorption of metal ions to wood, pulp and bark materials
(Åbo Akademi - Åbo Akademi University, 21.09.2012) -
Specific surface charging of latex, clay and mineral oxide particles in aqueous, non-aqueous and mixed solvent systems
(Åbo Akademi - Åbo Akademi University, 10.12.2012) -
Structural and operational optimisation : applications in energy systems
(Åbo Akademi - Åbo Akademi University, 14.12.2007)In this work mathematical programming models for structural and operational optimisation of energy systems are developed and applied to a selection of energy technology problems. The studied cases are taken from industrial ... -
Structure-Property Correlation on Solvent-Fractionated Lignin to Functional Materials
(Åbo Akademi - Åbo Akademi University, 22.09.2023)The abundance of lignin in combination with its impressive properties, i.e., a macromolecule with multifunctional groups, an amphiphilic molecular structure, and a unique nanotechnological advantage of forming nanospheres, ... -
Studies in offset ink setting
(Åbo Akademi - Åbo Akademi University, 20.01.2012)The offset printing process is complex and involves the meeting of two essentially complex materials, printing ink and paper, upon which the final product is formed. It can therefore be expected that a multitude of chemical ... -
Supramolecular design of cellulose-based hydrogel beads
(Åbo Akademi - Åbo Akademi University, 08.03.2019)The degree of polymerization (DP) of cellulose fibres is an important factor to consider during dissolution in water-based solvent system and to design further advanced biomaterials. The lower is the DP, the higher cellulose ... -
Surface characterization of chemically modified fiber, wood and paper
(Åbo Akademi - Åbo Akademi University, 09.05.2014)Inorganic-organic sol-gel hybrid coatings can be used for improving and modifying properties of wood-based materials. By selecting a proper precursor, wood can be made water repellent, decay-, moisture- or UV-resistant. ... -
Surface chemistry of fibres and vessel elements in chemical and recycled pulps
(Åbo Akademi - Åbo Akademi University, 27.04.2012) -
Sustainable steelmaking by process integration
(Åbo Akademi - Åbo Akademi University, 28.11.2014)Environmental issues, including global warming, have been serious challenges realized worldwide, and they have become particularly important for the iron and steel manufacturers during the last decades. Many sites has ... -
Synthesis and characterization of nanoperforated metal oxide thin films
(Åbo Akademi - Åbo Akademi University, 04.03.2016)For advanced devices in the application fields of data storage, solar cell and biosensing, one of the major challenges to achieve high efficiency is the fabrication of nanopatterned metal oxide surfaces. Such surfaces often ...