Essays about: "Aeration"

Showing result 11 - 15 of 69 essays containing the word Aeration.

  1. 11. Evaluation of PFAS removal from nanofiltration membrane concentrate using foam fractionation

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : William Stefansson; [2022]
    Keywords : PFAS; Aeration foam fractionation; Nanofiltration membrane; DWTP; Surfactant; PFAS; Skumfraktionering; Nanofiltration; Vattenverk; Surfaktant;

    Abstract : Per- and polyfluorinated substances (PFASs) have become an urgent topic in the water treatment industry in recent years as a consequence of new scientific discoveries of the correlation between the ingestion of some PFASs and their toxicity in humans and other organisms. PFASs are synthetic compounds present in a variety of products. READ MORE

  3. 12. Post-Denitrification on Sand Filter at Bromma Wastewater Treatment Plant

    University essay from KTH/Kemi

    Author : Emil Blocksjö; [2022]
    Keywords : Sand filter; Post-Denitrification; Nitrate; Nitrification; Wastewater; Sandfilter; Efterdenitrifikation; Nitrat; Nitrifikation; Avloppsvatten;

    Abstract : Examensarbetets syfte var att undersöka möjligheter till denitrifikation på sandfilter (SF) i industriell skala och hur det jämför sig med konventionella metoder för att uppnå denitrifikation och effekten av förändringen på processen vid Bromma reningsverk. Parametrar som undersöktes var rening av ammonium och nitrat, luftning, temperatur, pH, rening av fosfor, rening av organiskt material, rening av suspenderat material, förbigång av vatten vid SF och aktivslamanläggning (ASA), drifttider för SF:arna och total vattenbelastning på ASA och SF. READ MORE

  4. 13. Biochar from garden waste as a potential hydroponic growing substrate

    University essay from Linköpings universitet/Industriell miljöteknik

    Author : Pia Lampel; [2022]
    Keywords : ;

    Abstract : With an increasing need for food to feed the growing world population, resources like landand water for agriculture are becoming. As a response, hydroponic cultivation has becomemore popular. Hydroponic cultivation consumes less water, requires less land, and consumesfewer nutrients. READ MORE

  5. 14. Power-to-Gas and zero-emission buses in Uppsala : challenges and Opportunities from a techno-economic perspective

    University essay from SLU/Dept. of Energy and Technology

    Author : Mårten Rosell; [2021]
    Keywords : Power-to-gas; bränsleceller; medicinsk syrgas; modellering; lönsamhet;

    Abstract : This thesis has explored the use of power-to-gas technology as a means to produce hydrogen for fuel cell electric buses. The municipal council of Uppsala are looking at options to electrify the local city and regional bus fleet but have been faced with power capacity constraints on the local electrical grid. READ MORE

  6. 15. Identifying factors that correlate with Enhanced Biological Phosphorus Removal upsets at Lundåkraverket

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Rounak Niranjan; [2021]
    Keywords : Enhanced biological phosphorus removal; polyphosphate accumulating organisms; glycogen accumulating organisms; sludge content in aeration basin; nitrates in aeration basin; pH of incoming water; principal component analysis; pairwise correlations; inhibition factors;

    Abstract : The Enhanced Biological Phosphorus Removal (EBPR) process is characterized as the most sustainable process to remove phosphorus from wastewater albeit with high variability in performance efficiency. Thus, unpredictable upsets in the EBPR system is the norm across several wastewater treatment plants throughout Sweden, forcing the hand of the operators to dose higher volume of chemicals to reach the effluent requirements. READ MORE