Selaus nimekkeen mukaan kokoelmassa 215 Teknillinen kemia
Viitteet 11-30 / 127
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Carbonation of Mg(OH)2 in a pressurised fluidised bed for CO2 sequestration
(Åbo Akademi - Åbo Akademi University, 02.03.2012) -
Catalysis by gold for biomass transformations
(Åbo Akademi - Åbo Akademi University, 12.10.2012)The development of new technologies to supplement fossil resources has led to a growing interest in the utilization of alternative routes. Biomass is a rich renewable feedstock for producing fine chemicals, polymers, and ... -
Catalytic transformation of algae, tall-oil fatty acids and triglycerides to renewable fuels and chemicals
(Åbo Akademi - Åbo Akademi University, 18.06.2018)It has become increasingly obvious that sustainable energy is becoming more engaging owing to the eventual depletion of the world reserves of fossil resources of energy and to the increase of the greenhouse gas emissions. ... -
Catalytic transformations of fatty acid derivatives for food, oleochemicals and fuels over carbon supported platinum group metals
(Åbo Akademi - Åbo Akademi University, 22.04.2010)Växtoljor som utgör en förnybar naturresurs används som sådana eller i modifierade former i många industriella processer, som är av stor betydelse för vårt vardagliga liv. Växtoljor används i livsmedel, i kemiska och ... -
Catalytic upgrading of biomass extractives to fine chemicals over supported ionic liquid catalysts (SILCAs)
(Åbo Akademi - Åbo Akademi University, 12.12.2014)- -
Chemical derivatization of galactoglucomannan for functional materials
(Åbo Akademi - Åbo Akademi University, 14.11.2014)In the framework of the biorefinery concept researchers aspire to optimize the utilization of plant materials, such as agricultural wastes and wood. For most of the known processes, the first steps in the valorisation of ... -
Chemistry of potassium halides and their role in corrosion in biomass and waste firing
Åbo Akademi, Faculty of Science and Engineering, Johan Gadolin Process Chemistry Centre : 16-02 (Åbo Akademi - Åbo Akademi University, 17.06.2016)Compared to the use of traditional fossil fuels (coal, oil, natural gas), combustion of biomass and waste fuels has several environmental and economic advantages for heat and power generation. However, biomass and waste ... -
Combination of catalyst development and chemical reaction engineering : a key aspect to improve the hydrogen peroxide direct synthesis
(Åbo Akademi - Åbo Akademi University, 08.03.2013)- -
Combustion properties of biomass residues rich in phosphorus
Report / Åbo Akademi, Process Chemistry Centre : 12-02 (Åbo Akademi University, Process Chemistry Centre, 04.04.2012)The currently-used sources of biomass are limited so new ones are required in order to meet the European Union target and to satisfy the constantly-increasing demand for energy. This is why energy recovery from residues ... -
Deoxygenation of fatty acids for production of fuels and chemicals
(Åbo Akademi - Åbo Akademi University, 27.09.2014)The decreasing fossil fuel resources combined with an increasing world energy demand has raised an interest in renewable energy sources. The alternatives can be solar, wind and geothermal energies, but only biomass can be ... -
Destruction of selected pharmaceuticals by ozonation and heterogeneous catalysis
Acta technologiae chemicae Aboensia : 2020 A/1 (Åbo Akademi - Åbo Akademi University, 16.03.2020)The availability and quality of clean and safe water supplies is directly connected to the modality of wastewater treatment. Municipal wastewater treatment processes are designed to purify and degrade polluting components ... -
Development of advanced oxidation processes for the Finnish pulp and paper industry water treatment
(Åbo Akademis förlag - Åbo Akademi University Press, 04.11.2022)Advanced oxidation processes (AOP) have been developed as a pinnacle of chemical water treatment to face the more tightening environmental limits during the last three decades. Whenever either pure coagulation & flocculation ... -
Development of an environmentally friendly method of starch oxidation by hydrogen peroxide and a complex water-soluble Iron catalyst
(Åbo Akademi - Åbo Akademi University, 01.02.2013)Oxidized starch is a key component in the paper industry, where it is used as both surfacing sizer and filler. Large quantities are annually used for this purpose; however, the methods for the oxidation are not environmentally ... -
Development of microreactor technology for partial oxidation of ethanol on gold catalyst
Acta technologiae chemicae Aboensia : 2019 A/3 (Åbo Akademi - Åbo Akademi University, 06.03.2020)Oxidation of alcohols from biological origin is of significant industrial relevance for the production of fine and specialty chemicals. Aldehydes from polyols are important intermediates in pharmaceutical and alimentary ... -
Development of new halogen-free and multifunctional flame retardants
(Åbo Akademi - Åbo Akademi University, 10.10.2012) -
Development of structured catalyst and reactor technologies for biomass conversion - Continuous production of sugar alcohols
Acta technologiae chemicae Aboensia : 2021 A/2 (Åbo Akademi University, 19.05.2021)Energy-efficient technologies have been an aspiration for chemical industries, especially the design of chemical reactors. Structured catalysts play an important role to achieve this purpose. Several types of structured ... -
Eddy break-up based models for industrial diffusion flames with complex gas phase chemistry
(Åbo Akademi - Åbo Akademi University, 11.12.1998)In this thesis, two types of models used in the CFD modeling of practical combustion devices with a turbulent flow are investigated. The models are applied to a number of test cases, but the goal of the investigations are ... -
Effects of Temperature Gradient on Ash Deposit Aging and Heat Exchanger Corrosion
(Åbo Akademi - Åbo Akademi University, 22.11.2019)Boilers firing biomass and/or waste-derived fuel have in general lower electrical efficiencies compared to coal-fired boilers. The root cause for the lower electrical efficiency lies in the high-temperature corrosion of ... -
Electroactive ion exchange membranes based on conducting polymers
(Åbo Akademi - Åbo Akademi University, 14.12.2012)Ion exchange membranes are indispensable for the separation of ionic species. They can discriminate between anions and cations depending on the type of fixed ionic group present in the membrane. These conventional ion ... -
Elemental analysis of wood materials by external millibeam thick target PIXE
(Åbo Akademi - Åbo Akademi University, 13.11.2009)