Haku
Viitteet 1-10 / 15
Comparison of two pre-treatment methods for the chemocatalytical conversion of fibre sludge to lactic acid : Alkaline versus acidic mechanocatalytical pre-treatment for cellulosic feedstock depolymerisation
(2019)
The synthesis of valuable chemicals from lignocellulosic biomass is a promising approach to develop the chemical industry in a more sustainable and environmentally friendly way. Following this statement, during this thesis, ...
Food adulteration and unethical use of formalin
(2020)
Food adulteration has become a global problem. Adulteration is not only disregarding the hu-man rights for safe food, but also a serious threat to public health with numerous acute and chronic diseases. The physical and ...
Corrosion, Corrosion Prevention & Solutions in System of Pipelines
(2021)
Pipeline system is used in almost every industrial activities: they transport materials and waste, including fluids such as water, liquid chemicals; or gases and steam, from and to different stages of an industrial cycle. ...
Waste valorization in the alcohol beverage industry : Applications for co-product streams of beer breweries and whisky distilleries
(2020)
The production processes of whisky distilleries and beer breweries are explained and compared. The resulting waste streams are considered regarding their chemical and biological properties. A review is done on current and ...
A review on recent developments in fused deposition modeling and large-scale direct pellet extrusion of polymer composites
(2020)
Fused deposition modeling (FDM) and large-scale direct pellet extrusion has a potential on reducing material waste, energy consumption, and processing time compared to traditional manufacturing processes. However, these ...
Plastic bags – the main culprit in plastic pollution?
(2020)
In some people’s mindset, consumption of plastic bags is the root of plastic pollution and natural hazards despite there has been very few evidence or numeric figures to support it. Because of that, this thesis has been ...
Optimazion of coagulant and coagulant aid in wastewater treatment
(2019)
With the expanding urbanization, more municipal wastewater is produced by citizens, which requires more efficient wastewater treatment to meet the demand of stringent legislation.
This thesis aimed to enhance the ...
Tannin derivatives as potential materials : A review
(2020)
Biobased materials are leading a new trend in the development of potential applications nowadays. In this connection, sustainable green chemistry is promoted in public awareness. One of the best candidates in this concept ...
Waste management and sustainable development assessment : Three cases on improving the international students’ attitude on waste sorting in Kokkola
(2020)
Waste management, especially plastic waste is a huge topic nowadays; however, Finland is among the best-applied waste-controlling-system countries in the world. As more foreigners are coming to Finland every year, it is ...
Hydrogen : As a future energy source
(2020)
This thesis asks the question of whether hydrogen is a viable source of energy to replace fossil fuels. Hydrogen is a zero-carbon energy source as it only releases heat and water. It is also the most abundant element ...