Essays about: "phosphorus scarcity"

Found 5 essays containing the words phosphorus scarcity.

  1. 1. Potential for Enhanced Biological Phosphorus Removal in an activated sludge system for greywater

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Mehrzad Ghassemi; [2022]
    Keywords : Greywater; EBPR; Phosphorus; Biological treatment; Water and environmental engineering; Technology and Engineering;

    Abstract : As the world's population grows, concerns about water scarcity and rising pollution such as phosphorus and nitrogen have increased significantly. Greywater has been considered by researchers as an ideal alternative to fresh water for decades, and several projects have been implemented to treat and recycle it for various reuse purposes. READ MORE

  3. 2. Phosphorus Balance of Sweden

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Karl Anders Wikberg; [2019]
    Keywords : Phosphorus; Material Flow Analysis; Sweden; Sustainable Resource Management; Geochemical Flows; Fosfor; Materialflödesanalys; Sverige; Hållbar Resurshantering; Geokemiska Flöden;

    Abstract : Phosphorus (P) is an essential element for all life on our planet. During the past century anthropogenic consumption of P has reached critically unsustainable levels, the mining of finite phosphate rock and the dispersion of this resource could lead to resource scarcity in the future. READ MORE

  4. 3. Sustainable Phosphorus Management in Sweden : A study of phosphorus recycling from wastewater sludge in several municipalities of the Östergötland County

    University essay from Linköpings universitet/Tema Miljöförändring

    Author : Henok Debessai Haile; [2015]
    Keywords : phosphorus recycling; phosphorus scarcity; sustainable phosphorus management; environmental quality objectives; systems approach; wastewater sludge;

    Abstract : The Swedish Environmental Agency (SEPA) proposed a national target to increase the rate of phosphorus recycling from wastewater sludge in 2013. Reusing phosphorus from wastewater sludge by spreading it on arable lands raises the risk of contamination and substance deposition in soils. READ MORE

  5. 4. Pharmaceutical pollution in irrigation water : A Minor Field Study in Chirapatre Estates in Kumasi, Ghana

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Therese Wesström; Jenny Andersson; [2014]
    Keywords : Pharmaceutical residues; wastewater; irrigation; water quality;

    Abstract : In Ghana, wastewater is frequently used as a source of irrigation water for crops in urban areas, due to water scarcity and an increasing population growth. The water contains high amounts of nutrients, but also other unwanted constituents such as heavy metals, pathogens and pharmaceutical residues and is a potential health risk for the consumers. READ MORE

  6. 5. Modeling of Peak Phosphorus : A Study of Bottlenecks and Implications for Future Production

    University essay from Globala energisystem

    Author : Petter Walan; [2013]
    Keywords : Phosphate rock; Peak Phosphorus; Reserves; Production; Curve fitting;

    Abstract : Today's modern agriculture is totally dependent on phosphorus to sustain their large yields. Several studies have recently expressed a concern for a future phosphorus deficiency. These studies are based on data for estimated reserves which have been increased with more than a fourfold since 2010. READ MORE