Selaus nimekkeen mukaan kokoelmassa 2 Tekniikka
Viitteet 81-100 / 135
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On the potential utilisation of sawdust and wood chip screenings
(Åbo Akademi - Åbo Akademi University, 16.04.2010)This work is based on the utilisation of sawdust and wood chip screenings for different purposes. A substantial amount of these byproducts are readily available in the Finnish forest industry. A black liquor impregnation ... -
Optimization of a steel plant utilizing converted biomass
(Åbo Akademi - Åbo Akademi University, 10.06.2016) -
Oxalic acid and calcium oxalate in production of wood-containing paper : formation, analysis, and control
(Åbo Akademi - Åbo Akademi University, 18.06.2014) -
Oxidation rates of carbon and nitrogen in char residues from solid fuels
Report / Åbo Akademi, Process Chemistry Centre : 13-01 (Åbo Akademi University, Process Chemistry Centre, 07.06.2013)Computational fluid dynamics (CFD) modeling is an important tool in designing new combustion systems. By using CFD modeling, entire combustion systems can be modeled and the emissions and the performance can be predicted. ... -
Paper for printed electronics and functionality
(Åbo Akademi - Åbo Akademi University, 04.10.2013)Mass-produced paper electronics (large area organic printed electronics on paper-based substrates, “throw-away electronics”) has the potential to introduce the use of flexible electronic applications in everyday life. While ... -
Physico-chemical characterization of nanoparticle coated paper
(Åbo Akademi - Åbo Akademi University, 13.06.2013)- -
Physicochemical characteristics of silica nanoparticles tailored for nanomedicine
(Åbo Akademi - Åbo Akademi University, 22.06.2016)- -
?-Pinene oxide and verbenol oxide isomerizations over heterogeneous catalysts
(Åbo Akademi - Åbo Akademi University, 19.12.2014)Terpenes are a valuable natural resource for the production of fine chemicals. Turpentine, obtained from biomass and also as a side product of softwood industry, is rich in monoterpenes such as α-pinene and β-pinene, which ... -
Polyhedral Outer Approximations in Convex Mixed-Integer Nonlinear Programming
Dissertations (Process Design and Systems Engineering. Online) (Åbo Akademi - Åbo Akademi University, 31.08.2018)This thesis is focused on a specific type of optimization problems commonly referred to as convex MINLP problems. The goal has been to investigate and develop efficient methods for solving such optimization problems. The ... -
Pressurized hot water flow-through extraction of birch wood
(Åbo Akademi - Åbo Akademi University, 13.03.2015)Effective processes to fractionate the main compounds in biomass, such as wood, are a prerequisite for an effective biorefinery. Water is environmentally friendly and widely used in industry, which makes it a potential ... -
Printed and Coated Functionality on Natural Fibre Based Substrates
(Åbo Akademi - Åbo Akademi University, 12.01.2018)Mass-produced, paper-based printed electronics can provide a solution for the manufacturing of flexible and disposable electronic applications of the future. Traditional recyclable, high throughput, and low-cost roll-to-roll ... -
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Production of magnesium carbonates from serpentinites for CO2 mineral sequestration : optimisation towards industrial application
(Åbo Akademi - Åbo Akademi University, 17.12.2015)Global warming is one of the most alarming problems of this century. Initial scepticism concerning its validity is currently dwarfed by the intensification of extreme weather events whilst the gradual arising level of ... -
Production of Mg(OH)2 from Mg-silicate rock for CO2 mineral sequestration
(Åbo Akademi - Åbo Akademi University, 13.12.2012)Sequestration of carbon dioxide in mineral rocks, also known as CO2 Capture and Mineralization (CCM), is considered to have a huge potential in stabilizing anthropogenic CO2 emissions. One of the CCM routes is the ex ... -
Properties of raw glazes - The impact of composition, firing and functional coatings
(18.09.2020)Raw glazes, i.e. glazes mixed from oxides and minerals, are cost-effective alternatives to fritted compositions for ceramics fired at a high peak temperature (> 1150 °C). Raw glazes are mainly used for sanitary ware and ... -
Quantitative Monitoring of Aerobic and Anaerobic Bioprocesses using Vibrational Spectroscopy
Dissertations published by Process Design and Systems Engineering (Åbo Akademi - Åbo Akademi University, 09.03.2018)In bioprocesses, living cells are used to produce biological materials of interest. Perhaps the most well‐known product produced in bioprocesses is penicillin. Implementing process analytical technologies (PAT) in bioprocesses ... -
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 ... -
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 ...