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Improvement of whey fraction quality using chromatographic methods
(2020)
The quality of whey can be improved by removing certain fractions from its chemical composition. These extracted components can also be utilized as a product of their own. The aim of this thesis is to study if two of these ...
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 ...
Membraanibioreaktorin suodatuskapasiteettiin vaikuttavat tekijät
(2020)
Viitasaaren Mustasuon jätevedenpuhdistamon käsittelyprosessi saneerattiin MBR-prosessiksi vuonna 2018. Puoli vuotta laitoksen käyttöönoton jälkeen siellä alkoi ilmetä suodatuskapasiteetin heikkenemistä. Tämän diplomityön ...
Membrane fouling in hollow fiber membrane filtration of surface water
(2020)
Membrane filtration is a promising process for production of drinking water. The main challenge for applying membrane filtration for this purpose is membrane fouling. For this work, literature concerning membrane filtration ...
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 ...