2 Tekniikka
Uusimmat viitteet
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Antimicrobial Effects of Alcohol-Based Hand Sanitizers
(2023)Embargo 25.1.2027 asti -
Biomaterials in nucleic acid delivery
(2022)Salassapidettävä 2/1/2028 asti. -
Thermal degradation and stabilization of HVDC power cable insulation materials based on polypropylene
(2022)In this work, a series of antioxidant formulations’ effectiveness for propylene copolymers intended to be used as insulation materials for HVDC cables has been eval-uated by subjecting the polymer samples to forced-air ... -
Implementation of FPGA-based star tracker pre-processing pipeline
(2022)The processing pipeline for a star tracker requires computation within various problem domains. The first stage of star detection and tracking is to extract star features from image data. The image processing, described ... -
Fluidized bed agglomeration inhibition by additives during combustion of demanding biomass fuels
(2022)Bed agglomeration is a problem related to fluidized bed combustion. It is a result of bed particles and/or fuel ash gluing together, forming agglomerates, i.e., large clusters. These agglomerates can, over time, increase ... -
Analysis method development for quantification of by-products formed in the production of 2-(dimethylamino)ethylacrylate
(2022)In the industrial-scale production of 2-(dimethylamino)ethylacrylate (DMAEA), some by-products are formed. These by-products can be formed via oxa-Michael addition and/or transesterification in the reaction medium. Most ... -
Novel experimental setup for coulometric signal transduction in ion-selective electrodes
(2022)In this research work, a simple and versatile novel experimental setup for coulometric signal transduction in ion-selective electrodes was introduced and studied. It is based on a constant potential coulometry measurement ... -
Characterization of different tannins for possible industrial resin production
(2022)Tannins are the fourth most abundant component in plant material after cellulose, hemicellulose, and lignin, and have received extensive attention due to their high content of phenolic and carboxyl groups. The earliest use ... -
Removal of calcium from industrial-grade magnesium sulfate solution
(2022)The aim of this work was to find a method to remove calcium impurities from a concentrated magnesium sulfate solution. Different methods were evaluated, including (i) selective precipitation using ethanol, sodium carbonate, ... -
Hydrogen reduction of iron oxides : Experimental study
(2022)Steel is one of the modern world’s core pillars in engineering and construction materials, but the steel production causes large carbon dioxide emissions. The steel industry needs to reduce its carbon emissions to prevent ... -
Tuning strategies for control of integrating systems with model predictive control
(2022)The objective of this thesis was to verify the suitability of Valmet’s own MPC solution, DNAMPC2, when applied to a common system encountered in process industry and biofuels processing. An extensive literature study was ... -
Calculation and Simulation of Generator Protection Relay Settings at Hydropower Plants
(2022)Vattenkraft är en förnybar energikälla där grundidén är att omvandla energin från de forsande vattenmängderna till elektrisk energi. Fenomenet kallas elektromagnetisk induktion, vilket uppstår i generatorer. Generatorerna ... -
Carbon dioxide capture from humid exhaust air and flue gases
(2022)Carbon capture and storage (CCS), as well as utilisation of carbon dioxide (CO2), has become an increasingly important research area in order to achieve the goals set by the European Commission for the EU to become climate ...Salassapidettävä 16/6/2026 asti. -
Hydrofobering av handark med ASA – Inverkan av stabiliseringsmedel i olika mäldtyper
(2022)Genom hela papprets historia har modifiering av papprets egenskaper varit av intresse. Ett sätt att modifiera egenskaperna är genom användning av olika tillsatsämnen. Exempelvis genom att tillsätta hydrofoberingsmedel som ... -
Synthesis of sugar-based polymerizable materials for hydrogel preparation
(2022)To match the growing need for biodegradable, biocompatible and biobased materials, this thesis explored the possibilities of the synthesis of bio-based (photo)polymerizable materials from sugars and sugar alcohols and the ...Embargo 13.6.2023 asti -
Chemical addition to the wet web using foam application
(2022)Foam application is a promising new method for applying papermaking chemicals to wet paper webs. It is based on using aqueous foam as a carrier fluid and has simultaneously improved wet web runnability and furnish strength ... -
Dimensionering av varmvattentank som säsongslager för uppvärmning i off grid-systemet vid Meteorian
(2022)Det ökande energibehovet i dagens samhälle sätter krav på energikonsumtionen och energikällor. Den höga konsumtionen resulterar i större utsläpp vilket motiverar vidareutveckling av förnyelsebara energikällor samt optimering ... -
Utilization of waste heat sources to lower energy consumption at a paper mill
(2022)The environmental impact has become an important aspect to consider for companies. Energy efficiency is a significant part of the environmental impact that is continuously improved. New solutions are found to increase the ... -
Application potential of an on-line ATP analyzer for process control
(2022)Continuous analysis of the microbiological load in water is still today a scarcely applied concept. Microbiological problems have been present in various scales in the process industry, but in conjunction with circular ... -
Kartläggning och förbättringsförslag för en barrfiberlinjes bruntvätt
(2022)I diplomarbetet undersöks barrfiberlinjens bruntvättseffektivitet vid UPM Kymmene Oy:s cellulosafabrik i Jakobstad. I samband med effektivitetstestet har även enkla och linjära optimeringsmodeller konstruerats för att ge ...
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