Selaus nimekkeen mukaan kokoelmassa 215 Teknillinen kemia
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New aspects in limestone dissolution for wet flue gas desulfurization
(Åbo Akademi - Åbo Akademi University, 05.12.2015)Fortsättningsvis tillgodoses största delen av världens energibehov genom förbränning av fossila bränslen, dessutom forsätter världens totala energibehov att öka. Eftersom förbränning av fossila bränslen som t.ex. olja och ... -
New biomass derived carbon catalysts for biomass valorization
(Åbo Akademi - Åbo Akademi University, 17.06.2016)Due to diminishing petroleum reserves, unsteady market situation and the environmental concerns associated with utilization of fossil resources, the utilization of renewables for production of energy and chemicals (biorefining) ... -
New families of highly efficient, halogen-free flame retardants for polypropylene (PP)
(Åbo Akademi - Åbo Akademi University, 11.12.2014)The driving forces for current research of flame retardants are increased fire safety in combination with flame retardant formulations that fulfill the criteria of sustainable production and products. In recent years, ... -
Novel technology for preparation of optically active chemicals
(Åbo Akademi - Åbo Akademi University, 12.06.2014)Asymmetric synthesis using modified heterogeneous catalysts has gained lots of interest in the production of optically pure chemicals, such as pharmaceuticals, nutraceuticals, fragrances and agrochemicals. Heterogeneous ... -
Numerical and experimental optimization analysis of a jaw crusher and a bubble column reactor
(Åbo Akademi - Åbo Akademi University, 29.05.2019)More and more awareness is now raising in terms of sustainability of industrial processes. Thus the necessity to improve energy efficiency of diverse devices or simplify process schemes arises. Therefore, the importance ... -
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. ... -
Physico-chemical characterization of nanoparticle coated paper
(Åbo Akademi - Åbo Akademi University, 13.06.2013)- -
?-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 ... -
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 ... -
Printable Cell Growth Platform for the Assessment of Biomaterial-cell Interactions : A Focus on Patterns and Mineral Pigments
(Åbo Akademi - Åbo Akademi University, 17.02.2023)Cell-decision making is a highly complex and tightly regulated process that depends on the extracellular environment. In their native conditions, cells sense the immediate surroundings and collect cues from the fluid ... -
Production and testing of magnesium carbonate hydrates for thermal energy storage (TES) application
(Åbo Akademi University, 18.06.2021)I denna avhandling ingår både forskning inom koldioxidavskiljning och lagring genom mineralisering (CCSM) (carbon capture and storage by mineralisation, CCSM) och produktion av dess slutprodukt, magnesiumkarbonathydrat ... -
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 ... -
Production of γ-valerolactone, a green platform molecule
Acta technologiae chemicae Aboensia : 2023 A/1 (Institut National des Sciences Appliquées de Rouen & Åbo Akademi University, 28.06.2023)Non-renewable feedstock should be replaced with renewable resources in the production of energy, chemical commodities, and materials to increase sustainability. Biomass, especially 2nd generation biomass sources such as ... -
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 ... -
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 ...