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Adsorption of rare earth elements on novel “Mg-Al layered double hydroxide with gum arabic”
(2018)
In the last few decades, the demand for rare earth elements has increased, as there have been further discoveries for their use. Rare earth elements are used for very specific applications and can be extracted from different ...
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 ...
Solids and sulfate ions removal from mine water by dissolved air flotation
(2019)
Environmental and acceptance risks related to water discharge together with raw water scarcity at mineral processing plants and their surroundings demand the implementation of correct measurements to reduce water consumption. ...
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 ...
Analysis of cyanide in mining waters
(2018)
Cyanide, as a chemical compound, can be found in the effluents of numerous industries, particularly mining. The toxicity and concentration control of cyanide during gold and silver extractions necessitate the precise ...
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 ...
Electrochemical water treatment and filtration of generated slurries
(2018)
This work is focused on the electrocoagulation (EC) as an electrochemical water treatment process followed by solid-liquid separation of the solid species, which form during the treatment. In the theory part of the thesis, ...
Use of nanofibrillated cellulose in the modification of ultrafiltration membranes
(2019)
Utilization of biomass as a more sustainable and environmentally friendly substitute to fossil raw material has been proven to be beneficial in several industries. Cellulose is a linear long chain polysaccharide that can ...