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Comparison of two different techniques for adipic acid ((CH2)4(COOH4)2) : and sustainability assessment of bioeconomy
(2020)
The purpose of the thesis was to study the production of adipic acid production from the perspective of two different technologies. In addition, research was conducted to assess environmental sustainability from a bioeconomy ...
Uuteainehallinnan tehostaminen sellutehtaan pesulinjalla
(2020)
Tämän diplomityön tarkoituksena oli kartoittaa lipofiilisten ja neutraalien uuteaineiden peseytyvyyttä sellutehtaan pesulinjalla sekä siirtymistä yksikköprosessien välillä massan ja suodoksien mukana. Työssä keskityttiin ...
Kemiallisten esikäsittelyjen vaikutus maalipinnoitteiden toimivuuteen alumiinipinnoilla
(2020)
Maalauksessa liitetään yhteen maalikalvo ja maalattava alusta. Maalin ominaisuuksien ohella tämän liitoksen voimakkuuteen vaikuttaa ennen maalausta suoritettavan pinnan esikäsittelyn luonne ja ominaisuudet. Alumiinin ...
Production of renewable synthetic transport fuels from methanol
(2020)
Ever increasing awareness of climate change and air quality issues has created a need to develop alternative solutions to petroleum-based systems in transport. The transition is currently focused on commissioning of electric ...
Catalyst-free simultaneous esterification and transesterification of low-quality fats and oils to FAME under subcritical water conditions and their purification
(2020)
There are many advantages to using bio- or renewable diesel but the downside is its economic limitations related to feedstock prices which may be the largest cost item in the production. Because of this, there is a constant ...
ATP-based monitoring system for CIP rinse waters in enzyme industry
(2020)
This thesis was made for Genencor International Oy enzyme plant in Jämsänkoski, Finland. The product packing lines are cleaned with cleaning in place (CIP) method and the cleaning verification is performed with a traditional ...
End-of-life membrane modification inside spiral-wound modules using layer-by-layer coating with polyelectrolytes
(2020)
Possibility for membrane modification of end-of-life reverse osmosis spiral-wound elements was investigated in this study. End-of-life membrane was successfully cleaned from the membrane fouling and converted to ultrafiltration ...
Usability of additive manufacturing in the field medical system
(2020)
The aim of this thesis was to find a medical solution from the field of additive manufacturing which can be used to support the Finnish Defence Force’s field medical system. Recent wars in the world have pointed out many ...
Optimization and simulation of NMC-cathode material precursor production
(2020)
In this Thesis, simulation and optimization of the production process of lithium-ion cathode material’s precursor precipitate was studied by using Aspen Plus simulation software.
At the beginning of the thesis, the ...
Production of hydroxy carboxylic acids from waste cellulosic material
(2020)
Textile fiber production and market has seen a growth in recent years, with the growing consumption in cheap and easily accessible clothing. As a result, the amount of textile waste generated has increased and there is a ...