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Downscaling and modelling of an ion-exchange chromatography column for purifying glucose solutions

Skalning och modellering av en kromatografikolonn för rening av sockerlösningar. För att uppnå klimatmålen behöver fossila råvaror inom kemiindustrin bytas ut mot förnybara råvaror. Socker är en råvara med stor potential inom industrin, men är ofta förorenat med salter. Därför utforskas rening av sockerlösningar här. För att använda socker som förnybar råvara för kemiindustri behöver sockret oftaTo utilize sugars as a feedstock for renewable industries, the feedstock often needs to be very pure. This is due to ionic species contaminating the sugar feedstock being potent catalyst poisons in many cases. To remove ionic species from the sugar feedstock, it is dissolved and purified using packed ion-exchange columns. In this report, a lab-scale setup of a large scale ion-exchange setup was co

Oklara känslor i en oklar roll

Studenter mår sämre än yrkesverksamma. En individs välmående påverkas av hur tydlig beskrivningen (rollen) för den dagliga sysselsättningen är. Syftet med studien var att bredda kunskapen om svenska studenters välmående genom att applicera ett samskapandeperspektiv på högre utbildning. Målet med studien var därför att diskutera och svara på om studenters välmående är beroende av deras uppfattning

The Commission’s Approach in State Aid Assessment of Advance Pricing Agreements: an Autonomous EU Arm’s Length Principle and Its Implications

This thesis aims to reveal whether the Commission’s approach in the State aid assessment of advance pricing agreements (APAs) is in line with the current EU law framework and whether, given its implications, it is a sensible development in State aid law applied to taxation. Chapter 2 introduces the background of the arm's length principle, looking into its origin, purpose and application in ta

Predicting infrastructural failures with vehicle data

I examenarbetet undersöks det om man kan upptäcka fel på infrastrukturen med hjälp av eventkoder genererade från fordonsdatorn. För att kunna dra en slutsats om man kan förutspå ett infrastrukturfel med hjälp av fordonsdata har historiska data med kända fel från infrastrukturen undersökts tillsammans med eventkoder som genererats av fordonen. Vi har sedan försökt att hitta ett samband med hjälp avIn this thesis, we have investigated if infrastructural failures can be predicted using event codes generated by the train computer. For this purpose, historical data with known infrastructural failures have been examined together with event codes generated by the vehicle. We have then tried to find a pattern using relative risk. A confidence interval was calculated for the relative risk to see if

Possible unexpected peaks from oil drop size measurements in milk

The shelf life of milk is amongst others dependent on the size of the oil droplets. These droplets can be measured using the laser diffraction (LD) technique. LD is a popular technique to measure particle size distributions (PSD) that has an outstanding broad measuring range capability, is easy-to-use and has a high reproducibility. While this technique is extremely popular, there are some conditi

Kartläggning av alkohol- och narkotikakonsumtion bland Socionomstudenter vid Lunds universitet

Hazardous drinking habits is a phenomenon that often seems to be a part of the time spent at university. Henceforth, this study aims to map out the consumption levels of alcohol and narcotics among social work students at Lund University. This was made possible by a quantitative method and use of an online-survey. The questionnaire was answered by 215 social work students. Results show that a majo

Hårda poliser och mjuka socialsekreterare : En kvalitativ intervjustudie om hur samordnare uppfattar yrkesroller inom Barnahus

Barnahus is a Nordic model for collaboration between different authorities regarding the issue of child victims of crime. As this means that different work logics interact, some argue that Barnahus can be seen as affected by juridification, which is a term that describes how law enforcement is prioritized over care-oriented services. The purpose of this study was to explore how coordinators of dif

IFRS 15: A critical evaluation of the newly issued revenue recognitions standard’s ability to reflect economic reality

Purpose: The purpose of this study has been to critically evaluate the newly issued revenue recognition standard’s ability to reflect economic reality. Methodology: To fulfil the purpose of this study, a qualitative document analysis of how different wide-spread perceptions of economic reality have been accommodated by the IASB under the development of IFRS 15 has been conducted with a backdrop i

Circular economy and Life cycle assessment of building materials: Glimåkra eco-village

The building industry is continuously adapting to the changing needs and demands. The rise in emissions, depletion of resources and accumulating waste are some of the important problems that have to be addressed by architects all over the world today. In this context, the thesis addresses these problems through informed building material choices and exploring the potential of circular use of resou

Revisiting Persecution due to Socio-Economic Deprivation: a Reading of the Refugee Definition in light of the CRPD

The discussion of what the notion of ‘persecution’ entails seems to be evergreen during a time when people are more and more on the move fleeing deprivation of socioeconomic rights. A ‘human rights approach’ to the refugee definition, namely an interpretation by reference to human rights standards, is now endorsed in relevant scholarship. This thesis explores how the disability-specific standards

Autenticitetens makt inom kommunikation

Förtroendet för att företag agerar i enlighet med deras värderingar har minskat under de senaste åren, vilket resulterar i att konsumenter ställer högre krav på att företag tar socialt ansvar. Trots autenticitetens centrala roll så finns det begränsad forskning kring fenomenet. Därmed är syftet med studien att problematisera begreppet autenticitet inom kontexten Corporate Social Responsibility (CSThe belief that businesses act in accordance with their pronounced values has diminished in recent years, which results in consumers putting pressure on corporations to take more social responsibility. Despite the central role of authenticity, there is limited research on the phenomenon. Thus, this study aims to problematize the concept of authenticity within Corporate Social Responsibility (CSR).

TikTok as a governmental communication strategy for building trust

Acknowledging the importance of government communication and government trust, this study aims to investigate how a government organisation can utilize a social media platform such as TikTok to develop and maintain a high level of public trust and build strong, long-lasting relationships with its citizens. The Chinese Public Security Bureau's (PSB) TikTok communication strategy was chosen as t

Samhällets kameleonter : En kvalitativ studie om andra generationens invandrares tredje identitet och mellanförskap

The overall aim of the study is to create a greater understanding of how individuals belonging to second-generation immigrants feel that their identity is shaped by living in different cultures at the same time. The purpose includes to understand these individuals' experiences of belonging and sense of identity. Furthermore, the purpose is to create a greater understanding of how their experie

Perceptions of punishment: a mixed methods approach to understanding differing levels of punitive attitudes

The purpose of this paper was to contribute to an increased knowledge of the punitive attitudes of Swedish 18-30 year olds, and more specifically which potential factors could possibly explain why people have the different levels of punitive attitude that they do as, well as how these factors impact people’s level of punitive attitude. The variables that were chosen to be explored further were pol

Political Microtargeting: A Mixed Method Study in a Multi-Party System

This study investigates political microtargeting in a multi-party context, more specifically, in a Swedish setting. By utilizing a mixed-method approach, the objective of the study is twofold. Firstly, interviewing researchers and political parties regarding their perception of microtargeting to generate a holistic view around the technology and its utilization. Secondly, implementing a survey wit

Individual Placement and Support: En litteraturöversikt över modellens sekundära effekter inom olika diagnosgrupper

Bakgrund: Arbete är en högt värderad aktivitet i dagens samhälle. Effekten av arbete har en betydande roll för individens hälsa och ur ett samhällsekonomiskt perspektiv. Nationella riktlinjer rekommenderar arbetsrehabiliteringsmodellen Individual Placement and Support för personer med allvarlig psykisk sjukdom och har god evidens för arbetsåtergång inom diagnosgruppen. Primärt har studier undersökIntroduction: Work is a highly valued occupation in today’s society and plays a significant important role for individual’s well-being and also out of a socio-economic perspective. Individual Placement and Support is an evidence-based model for vocational rehabilitation developed and standardized for people with severe mental illness. Studies show that the IPS-model have been implemented for new p

Hantering av utmaningar med datakvalitet inom Big Data Analytics: En kvalitativ studie som beskriver hur organisationer hanterar utmaningar med datakvalitet inom Big Data Analytics

Big Data Analytics är processen som används vid analyser av stora mängder data i syfte att upptäcka samband och mönster av värde som kan ligga till grund för framtida beslutsfattanden. En av de främsta utmaningarna som omnämns i litteraturen är att säkerställa kvaliteten på den data som används vid analyser. Syftet med denna uppsats är att beskriva organisationers hantering av utmaningar med datak

Stengård eller trädgård?

Verkligheten tycks vara det största problemet när verkligheten ska motarbetas. Malmö stads miljömål och flera av stadens styrdokument förespråkar en ökning av grönytorna. Men istället ökar hårdgörandet. Privata trädgårdar kan fungera som välbehövliga gröna oaser för växter, djur och trädgårdsägare. Men resultatet för denna uppsats visar att de flesta trädgårdsägarna har byggt verandor och/eller stThe city of Malmö reaches only 2 of its 19 environmental targets and one of the reasons is that the hard surfaces increases in the urban area. There is however a general trend for private house owners to harden their gardens and the city of Malmö has limited actions to address this issue. One action is to inform the private house owners of the positive effects of vegetation/soft surfaces and rainw

Optimization of aftermarket logistics with dual supply chains for Sandvik AB

Background: Aftermarket logistics is important for a manufacturing company to maintain customer satisfaction in the long run. However, the supply chain set for aftermarket parts is equally crucial as the original equipment. Modification or optimization of the logistics systems for slow-moving aftermarket items is inevitable. Sandvik, an engineering company in the mining industry is now interested