Essays about: "TOT"

Showing result 31 - 35 of 55 essays containing the word TOT.

  1. 31. Evaluation of bark material and granulated active carbon for treatment of perfluoroalkyl substances (PFASs) in wastewater

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Oskar Skoglund; [2017]
    Keywords : PFAS; WWTP; bark; GAC; flow; particle size; adsorption; COD; TOT-N; TSS; SPE; GFF; precursors.;

    Abstract : Per- and polyfluoroalkyl substances (PFASs) are a group of artificial chemicals which have been used in a wide area of applications such as surface protection agents in cloths and different industrial applications. It has been found that PFASs are potentially toxic and are frequently found in the environment due to their persistent and mobile properties. READ MORE

  3. 32. Risk assessment: to surface water in Kallerstadsdiket and Stångån near the closed Kallerstad landfill, Linköping.

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Einat Karpestam; [2017]
    Keywords : Landfill; surface water; bioavailability; metals; eutrophication; risk assessment; leachate;

    Abstract : Kallerstaddeponin användes aktivt för deponering av avfall mellan 1950 och 1973. Nedlagda deponier bör dock bedömas med avseende på den risk de utgör för miljö och hälsa. READ MORE

  4. 33. Improve attitudes through indirect intergroup contact? : A study of secondary school students' attitudes towards asylum-seekers

    University essay from Linnéuniversitetet/Institutionen för samhällsstudier (SS)

    Author : Marja Wildschut; [2017]
    Keywords : Intergroup contact theory; Digital Storytelling; integration;

    Abstract : With the increasing numbers of refugees and asylum seekers seeking safety in Europe, integration is of utmost importance to handle this situation effectively. When looking at integration in the Netherlands as the process of decreasing the difference in opportunities, concerning for example, income, education and social security, between people with a Dutch and a migration background, it can be observed that integration is not successful. READ MORE

  5. 34. Structural Modelling of Credit Spreads on the European Bond Market: An Empirical Study

    University essay from Lunds universitet/Matematisk statistik

    Author : Marcus Zethraeus; Magnus Roos; [2017]
    Keywords : Structural models; Merton model; Black Cox model; European corporate bond spreads; Mathematics and Statistics;

    Abstract : This thesis empirically tests the explanatory power of structural models on the European corporate bond market. Using new evaluation methods, including LASSO and gradient boosting regression, we can provide an in-depth assessment of the models’ shortcomings. READ MORE

  6. 35. Phosphorus and Nitrogen Removalin Modified Biochar Filters

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Ylva Stenström; [2017]
    Keywords : biochar; modified biochar; phosphorus filter; wastewater; batch adsorption experiment; nitrogen filter; COD; Tot-P; Tot-N; biokol; impregnerat biokol; fosforfilter; avloppsvatten; skakexperiment; kvävefilter; COD; Tot-P; Tot-N;

    Abstract : Onsite wastewater treatment systems in Sweden are getting old and many of them lack sufficient phosphorus, nitrogen and organic carbon reduction. Biochar is a material that has been suggested as an alternative to the common sand or soil used in onsite wastewater treatment systems. READ MORE