Essays about: "chemical precipitation"

Showing result 26 - 30 of 78 essays containing the words chemical precipitation.

  1. 26. Wastewater treatment with nanofiltration in pilot-scale

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Jane Quach; Safa al Basheer; [2018]
    Keywords : wastewater; nanofiltration; ultrafiltration; chemical precipitation; pilot-scale; chemical engineering; kemiteknik; Technology and Engineering;

    Abstract : During the spring semester 2018, an investigation about supplementary cleaning of the waste water at Dow Chemical site in Landskrona was done. Different water-based binders from acrylic monomers are produced by Dow and large amounts of water is used for such processes. READ MORE

  3. 27. Strukturkalkning av åkermark : ett sätt att minska jordbrukets bidrag till eutrofiering av vatten

    University essay from SLU/Dept. of Soil and Environment

    Author : Henrik Roth; [2018]
    Keywords : strukturkalkning; eutrofiering; fosfor;

    Abstract : In this review article, the effect of structural liming on clay soils, which have a high leakage potential for phosphorus (P), was analyzed. The purpose was to investigate structural liming as a method to reduce the impact of agriculture on eutrophication of water sources. READ MORE

  4. 28. Hydrology and surface water chemistry in a small forested catchment : which factors influence surface water acidity?

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Maja Jensen; [2017]
    Keywords : Physical geography; ecosystem analysis; hydrology; surface water chemistry; acidification; deposition; water balance modelling; Earth and Environmental Sciences;

    Abstract : Water chemistry alterations such as acidification and eutrophication represent major threats to the running waters of the world, and Swedish waters are among the most vulnerable. In this study the small forested catchment Storskogen, part of the SWETHRO monitoring network, was analysed to examine the links between deposition, catchment hydrological properties and surface water chemistry. READ MORE

  5. 29. 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

  6. 30. Modelling and future performance assessment of Duvbacken wastewater treatment plant

    University essay from KTH/Mark- och vattenteknik

    Author : Emmanouil Milathianakis; [2017]
    Keywords : Activated sludge; Data deficiency; Model calibration; Phosphorus removal; Sensitivity analysis; Wastewater;

    Abstract : Duvbacken wastewater treatment plant in Gävle, Sweden, currently designed for 100,000 person equivalent (P.E.) is looking for a new permit for 120,000 P.E. READ MORE