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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 ...
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 ...
Yleisimmät kaasumaiset ilmansaasteet
(2019)
Työssä käydään läpi yleisimpiä kaasumaisia ilmansaasteita, niiden lähteitä, ominaisuuksia sekä vaikutuksia ilmastoon, terveyteen ja luontoon. Läpikäytävät yhdisteet ovat rikkidioksidi, otsoni, typen oksidit, hiilimonoksidi, ...
Selective recovery of indium from secondary resources by iminodiacetic acid chitosan
(2019)
Indium demand has escalated drastically in the last few decades, due to the technological advancement and the introduction of the high-tech products such as Liquid Display Panels and the mobile device; this demand is not ...
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) ...
Sunlight-driven photocatalytic reduction of noble metals ions to nanopartices
(2019)
The investigation of the noble metal ions photoreduction to nanoparticles was conducted in this Master Thesis. Four types of graphitic carbon nitride powders were synthesized through the thermal polycondensation reaction ...
3D-tulostuksen hyödyntäminen erotus- ja puhdistustekniikoissa
(2019)
Työn tavoitteena oli selvittää, millaiset mahdollisuudet 3D-tulostuksella on tulla osaksi erotus- ja puhdistustekniikan prosesseissa käytettävien osien valmistusta. Aiheesta on tehty vasta vähän tutkimuksia ja monissa ...