Essays about: "Dissolved organic matter"

Showing result 16 - 20 of 75 essays containing the words Dissolved organic matter.

  1. 16. Optimisation of a small-scale ultrafiltration system for separation of humic substances from surface water

    University essay from KTH/Kemiteknik

    Author : Nadia Nikzad; [2021]
    Keywords : Ultrafiltration; online-coagulation; pH; reaction time; coagulant dosage; NOM; humic substances; Ultrafiltrering; online-koagulation; pH; reaktionstid; koaguleringsdos; NOM; humusämnen;

    Abstract : Norrvatten är den fjärde största dricksvattenproducenten i Sverige. De producerar och distribuerar dricksvatten till 14 kommuner norr om Stockholm. Norrvatten har under en tid studerat alternativa processer för att optimera och öka produktionskapaciteten och effektiviteten i deras dricksvattenreningsverk vid Görvälnverket. READ MORE

  3. 17. Carbon Filters for Drinking Water Treatment – How Flow Rate and Empty Bed Contact Time Influence the Performance

    University essay from KTH/Kemiteknik

    Author : Wilma Bäckström Nilsson; [2021]
    Keywords : Carbon filter; GAC; BAC; Biofilm; Flow rate; NOM; EBCT; Kolfilter; GAC; PAC; biofilm; flödeshastighet; NOM; uppehållstid;

    Abstract : Dricksvatten är en essentiell del av ett hållbart samhälle. Därför är det viktigt att säkerställa säkert dricksvatten genom fungerande vattenreningsverk. En viktig förorening att behandla är NOM, som i sig är ofarligt men som kan producera farliga föroreningar. En teknik som används för behandling av NOM är kolfiltrering. READ MORE

  4. 18. Mercury and methyl mercury release in soil and water - their relationship with different properties in Skogaryd

    University essay from Göteborgs universitet/Institutionen för geovetenskaper

    Author : Linnéa Johansson; [2020-07-08]
    Keywords : mercury; methylmercury; demethylation; pH; dissolved oxygen and total organic content;

    Abstract : In Skogaryd research site, water samples were taken and analysed for total mercury (Hgtot) and methylmercury (MeHg) concentration along with the pH, dissolved oxygen (DO) and total organic content (TOC). This to give the condition of the site before the forest is clear-cute and a part of the land rewetted to a wetland. READ MORE

  5. 19. Analysing the controls over DOM quality in two contrasting sub polar marine environments

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Chiara Monforte; [2020]
    Keywords : DOM optical properties; Absorbance; Fluorescence; EEMs; Burdwood Bank; Beagle Channel; Earth and Environmental Sciences;

    Abstract : In this study, Dissolved Organic Matter (DOM) quality was analysed through its optical properties. Samples from the estuarine waters of the Beagle Channel and oceanic ones of the Burdwood Bank were examined in order to understand how DOM quality was changing. READ MORE

  6. 20. Assessment of the Contribution of Groundwater Flow and Surface Flow from Bolmsö Island to Lake Bolmen, Sweden

    University essay from Lunds universitet/Teknisk geologi; Lunds universitet/Väg- och vattenbyggnad (CI)

    Author : Angelique Uwera; [2020]
    Keywords : Groundwater; Surface water; GMS-MODFLOW; Bolmsö Island; Lake Bolmen; Brownification.; Technology and Engineering;

    Abstract : The increase of brownification in surface waters has been a problem for rivers and lakes from the northern hemisphere. The main factors of this water brownification are the increase of dissolved organic matter and iron in water bodies. READ MORE