Haku
Viitteet 1-5 / 5
Reduction of Chemical Oxygen Demand from Pulp Mill Wastewater with Integrated Membrane Filtration
(2019)
Kandidaatintyö
Kandidaatintyö
The pulp industry generates high volumes of wastewater from 10 to 90 m3 per tonne of produced pulp. The wastewater contains large quantities of various organic compounds which total amount can be measured, for example, ...
Development of selective non-catalytic reduction modeling for fluidized bed combustion
(2019)
Diplomityö
Diplomityö
Energy production is a significant source for nitrogen oxide emissions. Nitrogen oxides have numerous negative effects on human health and environment which is why reducing the emissions of nitrogen oxides is important. ...
Nutrient Recovery From Source-Separated Human Urine by Microalgae in Continuously Fed Raceway Pond
(2019)
Diplomityö
Diplomityö
Nitrogen and phosphorus are essential nutrients for all organisms and recovery and reuse of these resource are reasonable (Yuan et al. 2012). Source-separated urine is one important nutrient source. The aim of this study ...
Recovery Boiler Superheater Region Temperature Measurements for Fouling Prediction Development
(2019)
Diplomityö
Diplomityö
At Valmet, flue gas temperature field in recovery boiler superheater region has conventionally been evaluated in CFD modelling and Valmet in-house dimensioning tool, complemented by occasionally carried out temperature ...
Techno-economic feasibility of hydrogen production via polymer membrane electrolyte electrolysis for future Power-to-X systems
(2019)
Diplomityö
Diplomityö
PEM water electrolysis and Power-to-X systems are seen as potential technologies to achieve GHG emission reductions and limit the global warming to 1.5 °C above pre-industrial levels. Moreover, Power-to-X systems are also ...