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Thor Anders Aarhaug

Seniorforsker

Thor Anders Aarhaug

Seniorforsker

Thor Anders Aarhaug
Telefon: 926 82 444
Mobil: 926 82 444
Avdeling: Bærekraftig energiteknologi
Kontorsted: Trondheim

Publikasjoner og ansvarsområder

Publikasjoner

Publikasjon

In-situ gas monitoring by laser induced fluorescence spectroscopy

http://www.sintef.no/publikasjoner/publikasjon/?pubid=CRIStin+1359447

Monitoring of silicon suboxide activity is an important parameter in experiments relevant for silicon metal production. In previous work a reactor with optical access to the reaction zone, by use of a sequence of sapphire, UV fused silica and IR transparent sapphire and CaF2 windows, was designed. I...

År 2016
Type Presentasjon
Publikasjon

Hydrogen Fuel Quality Control: high-pressure sampling and analysis

http://www.sintef.no/publikasjoner/publikasjon/?pubid=CRIStin+1396611

Quality control of hydrogen fuel requires samples to be taken from the nozzle of the hydrogen refueling station dispenser. Samples should be collected at representative pressures and gas velocities and also over the normal duration of a vehicle refuel-ling protocol. The quality control of hydrogen f...

År 2016
Type Presentasjon
Publikasjon

Evaluation of Gas Composition from Laboratory Scale Electrolysis Experiments with Anodes of Different Sulphur Content

http://www.sintef.no/publikasjoner/publikasjon/?pubid=CRIStin+1341394

With the anticipated decrease in available anode raw materials, future anodes are expected to contain higher levels of impurities. Currently the implications of this are being investigated through evaluation of electrochemical performance of anodes and the environmental aspects through gas evolution...

Publikasjon

Investigation of Sodium Sulfate Additions into Cryolite-Alumina Melts

http://www.sintef.no/publikasjoner/publikasjon/?pubid=CRIStin+1341391

In the Hall-Héroult process, sulfur impurities may not only emit harmful gases but also reduce current efficiency. To better understand this process, the behaviour of sulfur compounds in a cryolite-alumina melt at 1253 K (980 °C) was investigated in a laboratory cell. Sodium sulfate (Na2SO4) was add...

Forfattere Meirbekova Rauan Haarberg Geir Martin Aarhaug Thor Anders Sævarsdóttir Gudrun A.
År 2016
Type Tidsskriftsartikkel
Publikasjon

Anode effect initiation during aluminium electrolysis in a two-compartment laboratory cell

http://www.sintef.no/publikasjoner/publikasjon/?pubid=CRIStin+1341401

Most laboratory cells used in the investigation of the alumina reduction process use a single anode. When investigating the initiation of the anode effect an approach with more than one anode might give better results, as the probability of obtaining partial anode effect is higher. Additionally, the...

Forfattere Åsheim Henrik Aarhaug Thor Anders Sandnes Espen Kjos Ole S. Solheim Asbjørn Kolås Steinar Haarberg Geir Martin
År 2016
Type Tidsskriftsartikkel
Publikasjon

In-situ gas monitoring by emission spectroscopy

http://www.sintef.no/publikasjoner/publikasjon/?pubid=CRIStin+1235184

Off-gas monitoring of experimental reactors give little information about intermediate reaction products and reflect chemical equilibria at reduced gas temperatures. A reactor design with optical access was designed and tested in order to be able to qualify and quantify gaseous species from their em...

År 2015
Type Presentasjon
Publikasjon

Feeding a Gas Turbine with Aluminum Plant Exhaust for Increased CO2 Concentration in Capture Plant

http://www.sintef.no/publikasjoner/publikasjon/?pubid=CRIStin+1236205

Aluminum production contributes to global CO2 emissions both due to the production process itself and due to the generation of electric power required for aluminum production. A concept is presented for increasing the CO2 concentration in the aluminum exhaust from ∼1% to ∼5% through the feeding of a...

År 2015
Type Tidsskriftsartikkel
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