Essays about: "freshwater eutrophication"

Showing result 16 - 20 of 25 essays containing the words freshwater eutrophication.

  1. 16. Environmental Impact of Wastewater Treatment - A Study of Membrane Bioreactor and Iso-Disc Technologies from a Life Cycle Perspective

    University essay from Lunds universitet/Miljö- och energisystem

    Author : Isabelle Zilling; Krister Lestander; [2019]
    Keywords : MBR technology; Iso-Disc technology; Life cycle assessment; Wastewater treatment; Conventional activated sludge process; Activated sludge process; Electricity mix; Technology and Engineering;

    Abstract : This study evaluates and compares two different wastewater treatment technologies from a life cycle perspective. The evaluating technologies are Membrane Bioreactor (MBR) technology with a microfiltration membrane and Iso-Disc technology. READ MORE

  3. 17. Assessment of freshwater ecosystem services : with a case study in river Arbogaån

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Emelie Möllersten; [2018]
    Keywords : ecosystem services; freshwater; climate change; flooding; assessment;

    Abstract : Humans are dependent on a large variety of services that come from the eco-systems around us. Some of these ecosystem services are provided by rivers and lakes and include for example drinking water, water for irrigation and industry, flood control, climate regulation, and recreation. READ MORE

  4. 18. Zero Waste within the food sector and an evaluation of the package-free distribution of two different food products

    University essay from Lunds universitet/Förpackningslogistik

    Author : Vilhelm Sjölund; [2017]
    Keywords : zero waste; package free; life cycle assessment; food waste; oats; rapeseed oil; Technology and Engineering; Agriculture and Food Sciences; Earth and Environmental Sciences;

    Abstract : This study investigates the zero-waste concept applied to the food industry, and how the environmental impact differs between a package-free scenario found at a specialised Danish retail-store and a conventional scenario, using two reference products typically found in normal retail stores in Sweden. In the Danish store, the oats are sold in gravity dispensers, and the rapeseed oil is sold in glass bottles intended to be brought back to the store by the consumer to be cleaned and reused. READ MORE

  5. 19. Vidareutveckling av metod för bedömning av miljöpåverkan i samhällsekonomiska analyser vid investeringar i det svenska elstamnätet

    University essay from SLU/Dept. of Energy and Technology

    Author : Elinda Andersson; [2016]
    Keywords : miljöpåverkansbedömning; livscykelanalys; stamnät; elnät; ekonomisk värdering; Svenska kraftnät;

    Abstract : Svenska kraftnät, which is the authority responsible for the Swedish national grid, performs cost-benefit analysis (CBA) to assess which of different investment projects that are of greatest benefit to society. The environmental impacts are also estimated during this analysis. READ MORE

  6. 20. Phosphorus in the sediment of L. Hällerstadsjön: spatial distribution, fractions and release to the water volume

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : NANA OSAFO; [2016]
    Keywords : Bioavailable phosphorus; Eutrophication; Phosphorus fractionation; Phosphorus flux; Sediments.;

    Abstract : : In freshwater systems phosphorus (P) is the limiting element in the cause of eutrophication. In many Swedish lakes, causes of eutrophication have been attributed to more of internal loading than external since the external loading has been fairly well managed. READ MORE