Viimeksi syötetyt 215 Teknillinen kemia, kemian prosessitekniikka
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On-site Production of Hydrogen Peroxide for Hydrometallurgical Leaching of Black Mass
(2024)Hydrogen peroxide can be used as a reducing agent in the hydrometallurgical leaching of black mass from spent lithium-ion batteries. Currently, hydrogen peroxide is mainly produced with the energy-intensive anthraquinone ... -
Large Language Models for Data-Driven Customer Relationship Management: Transforming Unstructured Data into Business Intelligence
(2024)The research conducted in this thesis highlights the transformative potential of LLMs for analyzing and creating BI from unstructured data, a crucial development in the era of big data. The use case of Mirka Ltd. exemplifies ... -
Steam-induced melt infiltration method for all oxide Co3O4 based solar cells.
(2024)Solar cells based on oxide materials are an attractive option for sustainable energy production offering a viable solution to climate-related issues. However, the success of all-oxide solar cells (AOSCs) is highly dependent ... -
Analysis of Liquid Hydrogen Bunkering and Storage on Cruise Ships
(2024)As the maritime industry faces increasing demands to lower its emissions, the role of alternative fuels and energy systems has become crucial in the transition towards more sustainable ship operations. Hydrogen is regarded ... -
Process design of gas mixing unit for ammonia, hydrogen, petroleum, and natural gas mixing
(2024)The shipping industry is going through a major change as fossil fuels are being phased out and renewable fuel alternatives are becoming more relevant. At Wärtsilä, this means an expansion of different fuel-testing capabilities. ... -
Commissioning and qualification of process equipment for the manufacturing of advanced therapy medicinal products
(2024)The medical industry is highly regulated and monitored, but this has not always been the case. Current regulations are the result of countless deaths and injuries caused by poor-quality medical products. Validation is a ... -
Scheduling the first phases of pipe prefabrication process using linear optimization
(2024)Pipe prefabrication is a labor-intensive field, each product being unique. The aim of this thesis is to improve the efficiency of the manufacturing process by using linear optimization. In many pipe shops, production ... -
Strukturdynamik i slipsystem : En utvärdering av mätmetoder och kritiska parametrar
(2024)Energiförbrukningen vid industriella processer är ett allt större fokusområde. Genom att optimera en slipprocess åstadkommer man inte bara energibesparingar men man säkerställer även att önskat slutresultat uppnås. Ett bra ... -
Bipolar membrane electrodialysis of sulphate solutions for CO2 mineralization – scale-up and cost
(2024)As the world struggles with carbon emissions, carbon capture utilization and storage are becoming more interesting topics. Conventional carbon storage is done either by geological storage, or ocean storage. Unfortunately, ... -
Polymeric Microparticles for Peptide and Protein Delivery
(2024)Therapeutics using peptides and proteins is rapidly increasing in the treatment of various diseases. These biologically derived drugs are relatively risk-free and non-toxic. Given their structural complexity, peptides and ... -
System optimization in a weather-dependent energy system : Focusing on northern Sweden and HYBRIT
(2024)The steel industry is among the largest emitters of carbon dioxide, presenting significant environmental challenges. Despite increasing concerns over CO2 emissions and their environmental impact, discontinuing steel ... -
Optimering av produktionsschemat för en stansmaskin
(2024)Optimering av produktionsschemat för en stansmaskin vid Walki Oy:s fabrik i Jakobstad är av avgörande betydelse för att maximera produktiviteten och minimera kostnaderna vid tillverkningen. I detta arbete presenteras en ... -
AI-guided design of compatible composites of birch lignin and polylactic acid for 3D printing
(2023)In this study, a novel design of composites involving polylactic acid (PLA) and alkaline-extracted birch lignin was explored to produce a sustainable replacement material for additive manufacturing or 3D printing. Due to ... -
Prototyping of lactate biosensor for non-invasive biomarker monitoring
(2023)Biosensors are widely used in diagnostics and health monitoring in different applications. They are simple, and cost-effective tools to monitor health and diseases and, therefore, they have attracted significant interest ... -
Enzyme-mediator coupling for non-invasive glucose monitoring
(2023)The aim of this work was to modify the enzymes glucose oxidase (GOx) and glucose dehydrogenase (GDH) with electron relays for wearable glucose biosensor applications. The significance of glucose biosensors lies in their ... -
Korrosion orsakad av delikvescent ZnCl2 i förbränning av sidoströmmar
(2023)Utnyttjande av biomassa och sidoströmmar i energiproduktionen är ett alternativ att minska användningen av fossila bränslen och öka självförsörjningen av energi. Egenskaperna hos olika biomassor och sidoströmmar varierar ... -
Coating of tannins on nonwoven substrates : formulation and coating evaluation
(2023)The demand for personal protective equipment, such as masks, is rising due to the new coronavirus. As awareness of sustainability increases, environmentally friendly bio-based products are attracting attention. Tannin is ... -
Estimation applied to Selective Catalytic Reduction
(2023)Global warming and climate change are phenomena that have resulted in stricter legislation for combustion emissions. Fossil fuels and combustion engines remain a vital energy source for the years to come, especially for ... -
Laboratory studies of KOH – induced corrosion under conditions relevant to the air reactor in chemical looping combustion
(2023)Due to the gradual increase of the greenhouse effect, the emissions of CO2 need to be limited. In addition, as the concerns for air pollution increase, a clean combustion process becomes important. Chemical looping combustion ... -
Atmospheric Water Harvesting through Electroosmotic Desorption of Hygroscopic Materials
(2023)Atmospheric water harvesting has the potential to serve as a reliable source of drinking water in an increasingly water-scare world. The current most common method of accomplishing this is very energy-intensive, which ...
