215 Teknillinen kemia, kemian prosessitekniikka
Uusimmat viitteet
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Electrochemical determination of extractives in wood pulp
(2023)The objective of this thesis is to establish electrochemical techniques for the qualitative and quantitative determination of pentacyclic triterpenes in wood extractives. These triterpenes, found in wood extractives, possess ... -
Determination of ions in ash using ion-selective electrodes
(2023)The aim of this research work is to evaluate suitability of ion-selective electrodes for determination of Na+, K+, Cl-, CO32- and pH in electrostatic precipitator (ESP) ash samples from a recovery boiler provided by Andritz ... -
Diatom inspired bridge design
(2023)The aim of this master project of M.Sc. program in chemical engineering is to mimic the frustule structure of diatoms and to apply it to design aesthetically pleasant bridge structures and to analyse its mechanical strength. ... -
Dealing with challenges in black liquor evaporation
(2023)The main objective of this thesis is to identify problems in black liquor evaporation that affect the evaporation economy. Evaporation of black liquor is a necessary process step to increase the dry substance content of ... -
Sustainable Feedstock to Acrylic Acid using H-Y zeolites
(2023)This academic master thesis focuses on the synthesis, characterization, and testing of H-Y zeolites as catalysts for the synthesis of methyl lactate from glucose. The objective of this work was to explore the potential of ... -
Elbilsladdning, lastbalansering och laddningsinfrastruktur
(2023)Elfordonens popularitet i de nordiska länderna har ökat kraftigt de senaste åren i och med ansträngningar att försöka bevara miljön och minska utsläppen från transport. Laddningsstationernas infrastruktur byggs därför ut ... -
Heat recovery solutions for a copper electrolysis refinery
(2023)This thesis was produced to provide Boliden Pori Refinery with a solution for how to utilize waste heat efficiently in their electrolysis plant. The project was presented to utilize heat pumps to recover heat from the ... -
Dimensioning and modelling of condensers and evaporators for heat pump applications
(2023)The demand for heat pumps has started to increase rapidly in the last few years, resulting in a rapid growth in the heat exchanger market as well. Designing and dimensioning appropriate heat exchangers for each application ... -
En tekno-ekonomisk analys av separat malning av lövvedsmassa i produktionen av vitt kalandrerat papper
(2023)I den här studien undersöks hur man kan optimera råmaterials- och malningskostnader vid tillverkning av vitt kalandrerat papper genom en ändring i malningslinjen. Processändringen möjliggör separat malning av lövvedsmassa ... -
The fate of Sn, Pb, Cu, and Ni from e-waste in secondary copper smelting
(2023)Electronic waste (e-waste) is waste generated from end-of-life electrical and electronic equipment. E-waste is the fastest growing type of solid waste stream. This has become a major environmental concern. Fortunately, the ... -
Optimization of Lime Injection in EAF Systems by Using Pneumatic Sidewall Injectors
(2023)This master’s thesis work is a project for Nordkalk corporation as a part of a Business Finland co-funded project on Fossil-Free Steelmaking (FFS). The experiments of this study were performed in the Laboratory of Process ... -
Bipolar membrane electrodialysis of ammonium sulfate/bisulfate solutions : energy efficiency versus throughput optimization
(2023)To combat carbon emissions, carbon capture and storage becomes an increasingly urgent topic. The most common way of carbon dioxide capture and storage is geological storage in, for example, depleted oil or gas reservoirs. ... -
Sustainable chemo-enzymatic epoxidation of fatty acids using semibatch technology for the investigation of ring-opening products and catalyst deactivation : Kinetic measurements and modelling
(2023)The need to find alternatives to fossil-based raw materials has encouraged the development of new methodologies and technologies utilising renewable resources. Biomass in the form of vegetable oils has been of interest ... -
Monitorering biofilmbildningen med kvartskristallmikrobalans (QCM) och ytplasmonresonans (SPR)
(2023)Biofilmer som bildas av bakterier består av bakterier och en extracellulär matris som skyddar bakterier från yttre hot. Biofilmer är en hälsorisk eftersom de är mer resistenta mot antibiotika än planktoniska bakterier. ... -
Antimicrobial Effects of Alcohol-Based Hand Sanitizers
(2023)Embargo 25.1.2027 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 ... -
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 ...
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