Blar i Brage NMBU på forfatter "Okkenhaug, Gudny"
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Cation exchange capacity, and amendment effect of gypsum and organic matter on chemical properties of and aggregate stability of bauxite residue
Stubhaug, Hogne Phillips (Master thesis, 2022)Bauksittavfall (BR) er overskotsprodukt frå ekstrahering av alumina frå bauksittmalm. Bak kvart tonn alumina produserast det 1-2 tonn bauksittavfall, og verdas største aluminaraffineri er Hydro Alunorte, som ligg ved byen ... -
Combined column test for characterization of leaching and transport of trace elements in contaminated soils
Skjennum, Karen Ane Frøyland; French, Helen Kristine; Carotenuto, Pasquale; Okkenhaug, Gudny (Journal article; Peer reviewed, 2023) -
Contaminated soil : waste today, resource tomorrow? : coupling hydraulic conductivity and leachability in soil characterization : a lab based study
Skjennum, Karen Ane Frøyland (Master thesis, 2019)Tons of surplus contaminated soil from construction projects are landfilled as waste every year. Lack of appropriate methods to assess and evaluate the leaching and spreading of contaminants from soil prevents a comprehensive ... -
Forståelse av miljøutfordringer knyttet til bygging av vei i områder med svartskifer med potensiale for sur avrenning
Strømø, Tonje Katrin (Master thesis, 2021)Noen typer svartskifer har et høyt innhold av sulfidmineraler og tungmetall, og kan utgjøre en potensiell miljørisiko dersom de blir utsatt for forvitring. I sammenheng med bygging av den nye veitraseen E16 Eggemoen-Olum ... -
Geokjemiske undersøkelser av tilgrensende områder ved gruvene i Folldal
Krogstie, Vilde Roko (Master thesis, 2018)Anthropogenic activities such as mining has led to an increase in and occurrence of heavy metals on the surface of earth. Mining has been an important part of the Norwegian industry for a long time. In the mines in Folldal, ... -
Industrial byproducts for the soil stabilization of trace elements and per- and polyfluorinated alkyl substances (PFASs)
Zhang, Yaxin; Cornelissen, Gerard; Silvani, Ludovica; Zivanovic, Valentina; Smebye, Andreas; Sørmo, Erlend; Thune, Gorm; Okkenhaug, Gudny (Peer reviewed; Journal article, 2022) -
Nye metoder for kartlegging av spredning av tungmetaller fra deponi
Rosenvinge, Aud Helene Hagen (Master thesis, 2021)Sigevann fra deponier, hvor det er deponert en blanding av gammelt husholdningsavfall og industriavfall samt gravemasser fra utbyggingsprosjekter, inneholder en mengde stoffer som det er viktig at ikke spres til resipienter ... -
Sequestration of Antimony on Calcite Observed by Time-Resolved Nanoscale Imaging
Renard, Francois; Putnis, Christine V; Montes-Hernandez, German; King, Helen E.; Breedveld, Gijs D.; Okkenhaug, Gudny (Journal article; Peer reviewed, 2017)Antimony, which has damaging effects on the human body and the ecosystem, can be released into soils, ground-, and surface waters either from ore minerals that weather in near surface environments, or due to anthropogenic ... -
Sustainable impermeable landfill barriers: The potential of using geological waste and surplus masses
Ritter, Stefan; Ånes, Eivind Wiik; Hovland, Kristin; Stridal, Ann-Cathrin; Hansen, Harald; Henriksen, Thomas Jolstad; Okkenhaug, Gudny (Lecture, 2023)This study investigated the potential to reuse excavated cement stabilised clay (CSC) and press filter residual (PFR) as impermeable landfill barriers. First, laboratory experiments including particle size distribution, ... -
The effects of soil organic matter on leaching of hexavalent chromium from concrete waste: Batch and column experiments
Eckbo, Cathrine; Okkenhaug, Gudny; Hale, Sarah (Peer reviewed; Journal article, 2022)Concrete is one of the most common building materials in the world and in accordance with the world’s shift to a circular economy, there is a need of an increase in concrete reuse and recycling. One of the environmental ... -
The mass flow and proposed management of bisphenol A in selected Norwegian waste streams
Arp, Hans Petter Heinrich; Morin, Nicolas; Hale, Sarah; Okkenhaug, Gudny; Breivik, Knut; Sparrevik, Magnus (Journal article; Peer reviewed, 2017)Current initiatives for waste-handling in a circular economy favor prevention and recycling over incineration or landfilling. However, the impact of such a transition on environmental emissions of contaminants like bisphenol ... -
The partitioning of Sb in contaminated soils after being immobilization by Fe-based amendments is more dynamic compared to Pb
Almås, Åsgeir R.; Pironin, Elsa; Okkenhaug, Gudny (Journal article; Peer reviewed, 2019)Soils and sediments from shooting ranges can be heavily contaminated with metals and metalloids that can leach significant concentrations into the environment. To prevent trace element leaching, contaminated soils must be ... -
The reuse of excavated soils from construction and demolition projects: Limitations and possibilities
Hale, Sarah; Roque, Antonio José; Okkenhaug, Gudny; Sørmo, Erlend; Lenoir, Thomas; Carlsson, Christel; Kupryianchyk, Darya; Flyhammar, Peter; Žlender, Bojan (Peer reviewed; Journal article, 2021) -
Use of numerical modelling when designing a full-scale field test of landfill top covers
Ånes, Eivind Wiik; Ritter, Stefan; Okkenhaug, Gudny (Lecture, 2023)Landfill closures typically include cover systems with a low-permeable barrier to limit the flow of water to and from the waste to minimize contamination of the surrounding environment. Commonly the lowpermeable barrier ... -
Utlekking av metaller fra avfallshåndtering : effekt av optimalisert pH for stabilisering av metaller i flyveaske
Gustavsen, Haakon Sele (Master thesis, 2020)Tungmetaller i flyveaske fra avfallshåndterings anlegg kan forårsake store problemer for miljøet. I denne oppgaven blir det sett på om en økt pH ved stabilisering av asken, kan resultere i et mer stabilt produkt. Studiet ... -
Valorisation of partially oxidized tailings in a cover system to reclaim an old acid generating mine site
Dublet Adli, Gabrielle; Pabst, Thomas; Okkenhaug, Gudny; Sætre, Christian; Vårheim, Anna Merete; Tvedten, Mari Katrine; Gelena, Samuel Kebede; Smebye, Andreas B.; Kvennås, Marianne; Breedveld, Gijs D. (Peer reviewed; Journal article, 2021)