Essays about: "Aeration"

Showing result 16 - 20 of 69 essays containing the word Aeration.

  1. 16. Optimizing Growth Conditions for Lactic Acid Bacteria

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Lorenzo García Tejada; [2021]
    Keywords : Lactic Acid Bacteria; Optimization; Cell growth; Lactic acid production; Oxygen; Yeast extract; Wood hydrolysate; Poly-lactic acid; Chemical engineering; Technology and Engineering;

    Abstract : High production titers are paramount in lactic fermentation processes aimed towards poly lactic acid (PLA) manufacturing. Optimization of the fermentation stage is therefore essential for the viability of the process. READ MORE

  3. 17. Removal of per- and polyfluoroalkyl substances(PFAS) from contaminated leachate usingaeration foam fractionation

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Axel Krögerström; [2021]
    Keywords : PFAS; Foam Fractionation; Leachate; Removal Efficiency; Wastewater Treatment;

    Abstract : Leachate from landfills is contaminated in many ways and per- and polyfluoroalkyl substances (PFAS)-contamination is one of them. Recent studies have demonstrated the environmental and human concerns of PFAS. Therefore, the treatment of leachate is important. READ MORE

  4. 18. Greenhouse gas emissions from compacted peat soil

    University essay from SLU/Dept. of Soil and Environment

    Author : Antonia Hartmann; [2021]
    Keywords : carbon dioxide; compression index; Peatland agriculture; recompression index; sand addition; soil compaction;

    Abstract : Cultivated peat soils are a main driver for CO2 and N2O emissions, while the gas fluxes are dependent on intrinsic soil properties and land use. Sand addition into peat soils might reduce greenhouse gas (GHG) emissions and enhance soil strength, and thus the ability to tolerate soil compaction. READ MORE

  5. 19. Numerical Study on Air Demand of Free Surface Flows in a Discharge Tunnel

    University essay from Uppsala universitet/Institutionen för fysik och astronomi

    Author : Jonathan Barassa; Rickard Nordlöf; [2020]
    Keywords : Computational Fluid mechanics; Hydropower; Air demand; Free surface flows; ANSYS Fluent;

    Abstract : Aeration issued through a ventilation shaft is an important measure to prevent cavitation and large gauge pressure in flood discharge tunnels. In order to dimension the ventilation shaft appropriately, itis necessary to have a good understanding of the air-water flow in the tunnel. READ MORE

  6. 20. Aeration and risk mitigation for flood discharge tunnel in Zipingpu water conservancy project

    University essay from KTH/Betongbyggnad

    Author : Jorge CONTRERAS MORENO; KIBRET DAWIT GHEBREIGZIABHER; [2020]
    Keywords : Flood discharge tunnel; cavitation risk; cavitation index; aerators; CFD model;

    Abstract : The importance of hydraulic structures has become an essential mitigating mean for floodsthat occur more often due to climate change. Thus, the importance and safety of flooddischarge tunnels has promoted further studies and experiments on the topic to mitigatedamages, such as cavitation that arise because of high speed flows. READ MORE