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Assessment and improvement of wastewater system in Pilot plant
(2019)
Aim of this master’s thesis was to study most efficient separation methods for wastewater produced by plastic company. Especially, there has been contaminants in Pilot plant wastewater. The main contaminants in wastewater ...
Folding boxboard mill wastewater treatment plant performance and operation
(2019)
This thesis was done to evaluate the performance of a folding boxboard mill wastewater treatment plant. In the literature part the folding boxboard production process was introduced, and the different board mill wastewater ...
Elintarviketeollisuusjätevesien laadun parantaminen ja puhdistusmahdollisuudet
(2019)
Elintarviketeollisuuden ympäristökuormitus muodostuu vedenkäytön ohella pääosin energian käytöstä ja jätteistä. Koska vesi- ja ympäristövastuu korostuvat oleellisena osana nykyaikaista yritystoimintaa, yritysten on pyrittävä ...
Functionality of a novel pilot-scale freeze crystallizer in wastewater purification
(2019)
Freeze crystallization (FC) is an energy efficient purification process employed to get the high product purity. During FC solvent freezes out and left concentrate behind. This characteristic of freeze crystallization makes ...
Pulsed corona discharge for wastewater treatment and modification of organic materials
(Lappeenranta-Lahti University of Technology LUT, 2019-07-02)
Sustainable development is one of the most important questions in the contemporary world. Wastewater treatment and the search for renewable sources of organic products are essential, not only in the future but also for ...
Kemiantekniikan tarjoamat ratkaisut mikromuovien aiheuttamaan vesistöjen saastumiseen
(2018)
Mikromuoveja päätyy vesistöihin useita eri reittejä, ja niiden poistaminen vesistöistä on miltei mahdotonta. Mikromuovit voivat sisältää makromuovien tavoin vaarallisia kemikaaleja, kuten pehmentimiä, väriaineita ja ...
Environmentally harmful substances in wastewater of Rauma forest industry area
(2018)
Because of the demands set by the environmental authorities and the legislation, the study of environmentally harmful and hazardous substances was carried out in the Rauma forest industry area and in the biological wastewater ...
Purification of wastewaters from oil refining plant with membrane technology
(2019)
The aim of this master’s thesis was to improve wastewater treatment quality at the oil refinery by developing an effective membrane treatment procedure which would reduce biological and chemical oxygen demand (BOD and COD) ...
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 ...
Evaluation of CTMP mill wastewaters and handling methods
(2018)
The aim of this work was to evaluate the characteristics of chemithermomechanical pulp (CTMP) mill wastewaters and their impact to the selection of the treatment method. Target for this work was to find out what kind of ...