Now showing items 751-770 of 939

    • Salt clogging during supercritical CO2 injection into a downscaled borehole model 

      Berntsen, Andreas Nicolas; Todorovic, Jelena; Raphaug, Martin Hagen; Torsæter, Malin; Chavez Panduro, Elvia Anabela; Gawel, Kamila (Journal article; Peer reviewed, 2019)
      Injection of CO2 into saline storage aquifers is often accompanied by drying of the formation water and salt precipitation. Subsequent salt clogging of a well bore and the near wellbore rock matrix may lead to injectivity ...
    • Sandblasting effect on performance and durability of Ti based IrO2 –Ta2O5 anode in acidic solutions 

      Xu, Wenting; Haarberg, Geir Martin; Sunde, Svein; Seland, Frode; Ratvik, Arne Petter; Holmin, Susanne; Gustavsson, J; Afvander, Åsa; Zimmerman, Erik; Åkre, Torjus (Peer reviewed; Journal article, 2018)
      The effect of applying sandblasting during pretreatment while preparing titanium based IrO2 – Ta2O5 anodes by the conventional method was investigated. It was observed that sandblasting influences the surface morphology ...
    • SAPO-37 microporous catalysts: revealing the structural transformations during template removal 

      Kalantzopoulos, Georgios N.; Lundvall, Fredrik; Lind, Anna Maria; Arstad, Bjørnar; Chernyshov, Dmitry; Fjellvåg, Helmer; Wragg, David (Peer reviewed; Journal article, 2017)
      We have studied the structural behavior of SAPO-37 during calcination using simultaneous in situ powder X-ray diffraction (PXRD) and mass spectroscopy (MS) in addition to ex situ thermogravimetric analysis (TGA) and ...
    • Scanning Precession Electron Diffraction to aid Aluminum Alloy Development 

      Sunde, Jonas Kristoffer; Christiansen, Emil; Thronsen, Elisabeth; Wenner, Sigurd; Marioara, Calin Daniel; Van Helvoort, Antonius; Holmestad, Randi (Peer reviewed; Journal article, 2019)
    • Screening Cellulose Spinning Parameters for Fabrication of Novel Carbon Hollow Fiber Membranes for Gas Separation 

      Lei, Linfeng; Lindbråthen, Arne; Hillestad, Magne; Sandru, Marius; Evangelos, Favvas; He, Xuezhong (Peer reviewed; Journal article, 2019)
      Novel carbon hollow fiber membranes (CHFMs) have been, for the first time, prepared from cellulose precursors directly spun with a cellulose/(1-ethyl-3-methylimidazolium acetate (EmimAc) + dimethyl sulfoxide (DMSO)) system. ...
    • Screening of strong bicarbonate forming solvents for CO2 capture 

      Hartono, Ardi; Vevelstad, Solrun Johanne; Ciftja, Arlinda; Knuutila, Hanna K (Journal article; Peer reviewed, 2017)
    • Seaweed and Seaweed Bioactives for Mitigation of Enteric Methane: Challenges and Opportunities 

      Abbott, D. Wade; Aasen, Inga Marie; Beauchemin, Karen A.; Grondahl, Fredrik; Gruninger, Robert; Hayes, Maria; Huws, Sharon; Kenny, David A.; Krizsan, Sophie J.; Kirwan, Stuart F.; Lind, Vibeke; Meyer, Ulrich; Ramin, Mohammad; Theodoridou, Katerina; van Soosten, Dirk; Walsh, Pamela J.; Waters, Sinead; Xing, Xiaohui (Peer reviewed; Journal article, 2020)
      The need to become more efficient in agriculture and the food industry exists parallel to the challenge of climate change. Meat and dairy production is the target of much scrutiny due to methane (CH4) emissions and global ...
    • Selection and characterization of phase-change solvent for carbon dioxide capture: precipitating system 

      Ma'mun, Sholeh; Kim, Inna (Peer reviewed; Journal article, 2013)
      Characterization of a precipitating solvent for CO2 capture was performed. Aqueous solution of 5m’ potassium salt of sarcosine (KSar) that was precipitated at CO2 loading of 0.52 was selected. The equilibrium solubility ...
    • Selective Charging Behavior in an Ionic Mixture Electrolyte- Supercapacitor System for Higher Energy and Power 

      Wang, Xuehang; Mehandzhiyski, Aleksandar Yordanov; Arstad, Bjørnar; Van Aken, Katherine L.; Tyler S., Mathis; Gallegos, Alejandro; Tian, Ziqi; Ren, Dingding; Sheridan, Edel; Grimes, Brian Arthur; Jiang, De-en; Wu, Jianzhong; Gogotsi, Yury; Chen, De (Peer reviewed; Journal article, 2017)
      Ion–ion interactions in supercapacitor (SC) electrolytes are considered to have significant influence over the charging process and therefore the overall performance of the SC system. Current strategies used to weaken ionic ...
    • Selective Charging Behavior in an Ionic Mixture Electrolyte- Supercapacitor System for Higher Energy and Power 

      Wang, Xuehang; Mehandzhiyski, Aleksandar Yordanov; Arstad, Bjørnar; Van Aken, Katherine L.; Tyler S., Mathis; Gallegos, Alejandro; Tian, Ziqi; Ren, Dingding; Sheridan, Edel; Grimes, Brian Arthur; Jiang, De-en; Wu, Jianzhong; Gogotsi, Yury; Chen, De (Peer reviewed; Journal article, 2017)
      Ion–ion interactions in supercapacitor (SC) electrolytes are considered to have significant influence over the charging process and therefore the overall performance of the SC system. Current strategies used to weaken ionic ...
    • Selective Vacuum Evaporation by the Control of the Chemistry of Gas Phase in Vacuum Refining of Si 

      Hoseinpur Kermani, Arman; Andersson, Stefan; Tang, Kai; Safarian, Jafar (Peer reviewed; Journal article, 2021)
      ( Engelsk ) The evaporation of P from liquid Si under vacuum and reduced pressures of H2, He, and Ar was studied to evaluate the feasibility of effective P removal with insignificant Si loss. It was found that the introduction ...
    • Self-Reinforced Polypropylene Composites based on Discontinuous Tapes - An Experimental and Numerical Study of the Influence of Tape Length 

      Goutianos, Stergios; Cabrera, Norbert; Alcock, Benjamin; Reynolds, Neil; Peijs, Ton (Peer reviewed; Journal article, 2020)
      The creation of highly oriented, coextruded polypropylene (PP) tapes allows the production of recyclable self-reinforced polypropylene (SRPP) or all-PP composites, with a large temperature processing window and high volume ...
    • Shallow Impurity Band in ZrNiSn 

      Schrade, Matthias; Berland, Kristian; Kosinskiy, Andrey; Heremans, Joseph P.; Finstad, Terje (Peer reviewed; Journal article, 2020)
      ZrNiSn and related half Heusler compounds are candidate materials for efficient thermoelectric energy conversion with a reported thermoelectric figure-of-merit of n-type ZrNiSn exceeding unity. Progress on p-type materials ...
    • Silica from diatom frustules as anode material for Li-ion batteries 

      Norberg, Andreas Nicolai; Wagner, Nils Peter; Kaland, Henning; Vullum-Bruer, Fride; Svensson, Ann Mari (Journal article; Peer reviewed, 2019)
      In spite of its insulating nature, SiO2 may be utilized as active anode material for Li-ion batteries. Synthetic SiO2 will typically require sophisticated synthesis and/or activation procedures in order to obtain a ...
    • Silicon anodes for lithium-ion batteries produced from recovered kerf powders 

      Wagner, Nils Peter; Tron, Artur; Tolchard, Julian R; Noja, Gianluigi; Bellmann, Martin Pawel (Peer reviewed; Journal article, 2019)
      Silicon kerf waste from a photovoltaic silicon production process is assessed as an anode material for application as a lithium ion battery anode. In contrast to previous studies, the Si-kerf is used as-produced, with no ...
    • Silicon powder-based wafers for low-cost photovoltaics: Laser treatments and nanowire etching 

      Jia, Guobin; Plentz, Jonathan; Gawlik, Annett; S. Azar, Amin; Stokkan, Gaute; Syvertsen, Martin; Almeida Carvalho, Patricia; Dellith, Jan; Dellith, Andrea; Andrä, Gudrun; Ulyashin, Alexander (Peer reviewed; Journal article, 2018)
      In this study, laser-treated polycrystalline Si (pc-Si) wafers, fabricated by wire sawing of hot-pressed ingots sintered from Si powder, have been investigated. As-cut wafers and those with high-quality thin Si layers ...
    • Silicon-carbon composite anodes from industrial battery grade silicon 

      Foss, Carl Erik Lie; Andersen, Hanne Flåten; Ulvestad, Asbjørn; Kirkengen, Martin; Vullum, Per Erik; Voje, Jorunn; Tronstad, Ragnar; Mokkelbost, Tommy; Mæhlen, Jan Petter (Journal article; Peer reviewed, 2019)
      In this work, silicon/carbon composites for anode electrodes of Li-ion batteries are prepared from Elkem’s Silgrain® line. Gentle ball milling is used to reduce particle size of Silgrain, and the resulting Si powder consists ...
    • Simplified model description of a CLOP reactor for system simulation and analysis 

      Morud, John; Tobiesen, Finn Andrew; Cloete, Schalk Willem Petrus; Larring, Yngve; Chikukwa, Actor; Pishahang, Mehdi (Peer reviewed; Journal article, 2017)
      In order to perform overall system simulations and optimization at the flowsheet level, simplified models of process units are required. We present a simplified model of the CLOP reactor (chemical looping for oxygen ...
    • A simplified three-phase model of equiaxed solidification for the prediction of microstructure and macrosegregation in castings 

      Tveito, Knut Omdal; Pakanati, Akash; M'hamdi, Mohammed; Combeau, Hervé; Založnik, Miha (Peer reviewed; Journal article, 2018)
      Macrosegregation is a result of the interplay of various transport mechanisms, including natural convection, solidification shrinkage, and grain motion. Experimental observations also indicate the impact of grain morphology, ...
    • Simulation and energy evaluation of two novel solvents developed in the EU project HiPerCap 

      Tobiesen, Finn Andrew; Haugen, Geir; Kim, Inna; Kvamsdal, Hanne Marie (Peer reviewed; Journal article, 2017)
      Simulation results on minimum specific reboiler duty (SRD) are presented for two absorption solvent systems selected in the HiPerCap project, here referred to as HC#1 and HC#2. An established base case has been used that ...