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Recovery of Iron and Aluminum from Bauxite Residue by Carbothermic Reduction and Slag Leaching
(Peer reviewed; Journal article, 2021)The recovery of major components of bauxite residue by carbothermic reduction at 1550–1750 °C and subsequent slag leaching in a Na3CO3(aq) solution is studied. Iron recovers primarily to pig-iron and lime is added to tune ... -
Recovery of Platinum Group Metals From Secondary Sources by Selective Chlorination from Molten Salt Media
(The Minerals, Metals & Materials Series;2367-1181, Peer reviewed; Journal article, 2020)The use of molten salts as “solvents” offers interesting possibilities for the treatment of ores, industrial by-products as well as scraps, allowing the development of processes that are mid-way between pyro- and ... -
A recurrent neural network for urban long-term traffic flow forecasting
(Peer reviewed; Journal article, 2020)This paper investigates the use of recurrent neural network to predict urban long-term traffic flows. A representation of the long-term flows with related weather and contextual information is first introduced. A recurrent ... -
Recurrent neural network with density-based clustering for group pattern detection in energy systems
(Peer reviewed; Journal article, 2022)This research explores a new direction in power system technology and develops a new framework for pattern group discovery from large power system data. The efficient combination between the recurrent neural network and ... -
Recycled aggregates derived from excavation materials — mechanical performance and identification of weak minerals
(Peer reviewed; Journal article, 2022)The present study investigates the mechanical performance of recycled aggregates derived from excavation materials (REM). REM is blended with different quantities of recycled phyllite materials (RPM) and is investigated ... -
Recycled Aluminium Alloys and their Models: Role and Behaviour of Alloying Elements during Alkaline Etching
(Peer reviewed; Journal article, 2023)Alkaline etching is a common pretreatment for aluminum surfaces. Etching behavior was compared between an alloy based on post-consumer scrap (PCS) and several model alloys of rolled AA3005 and extruded AA6060 with ... -
Recycling of the Flue Gas from Aluminium Electrolysis Cells
(The Minerals, Metals & Materials Series;2367-1181, Chapter; Peer reviewed, 2020)Recycling of the flue gas from aluminium reduction cells is a possible method for increasing the CO2 concentration, thereby enabling CO2 capture. The present paper represents a preliminary study concerning some of the ... -
Recycling of the Rare Earth Oxides from Spent Rechargeable Batteries Using Waste Metallurgical Slags
(Journal article; Peer reviewed, 2013)A high temperature process for recycling spent nickel-metal hydride rechargeable batteries has been recently developed at SINTEF/NTNU. The spent battery modules were first frozen with liquid nitrogen for the de-activation ... -
Redesigning Work With a Lightweight Approach to Coordination Technology
(Journal article; Peer reviewed, 2018)Coordination of information and resources is central to efficient ward management. Tools to aid coordination include standardized procedures and paper lists and, more recently, electronic tools such as whiteboards and ... -
Redox transformations of Ru catalyst during NO oxidation at industrial nitric acid production conditions
(Peer reviewed; Journal article, 2023)Oxidation of nitric oxide is one of the main steps in the Ostwald process for industrial nitric acid production. This work summarises the use of - supported Ru catalyst to study the oxidation of NO to NO at ambient and 4 ... -
Reduced head steadiness in whiplash compared with non-traumatic neck pain
(Journal article; Peer reviewed, 2010) -
Reduced order models for finite-volume simulations of turbulent flow around wind-turbine blades
(Peer reviewed; Journal article, 2021)The computational cost of the design optimisation of wind turbines, as well as the optimisation of the operation and maintenance of offshore wind farms represents a limitation to the application of conventional simulation ... -
Reduced well path parameterization for optimization problems through machine learning
(Peer reviewed; Journal article, 2021)In this work we apply a recently developed machine learning routine for automatic well planning to simplify well parameterization in reservoir simulation models. This reduced-order parameterization is shown to be beneficial ... -
Reducing catch efficiency of rabbitfish (Siganus oramin) in a shrimp beam trawl fishery of the South China Sea
(Peer reviewed; Journal article, 2021)The bycatch of unwanted fish species is a main concern in shrimp beam trawl fishery of the South China Sea. This study evaluated the effect of using combined square-mesh and diamond-mesh codends (CSDM codends) on catch ... -
Reducing cod bycatch in flatfish fisheries
(Peer reviewed; Journal article, 2022)Management measures to facilitate the recovery of fish stocks can lead to shifts in traditional fishing patterns and target species. In the Baltic Sea, drastic reductions in catch quota for cod (Gadus morhua) force mixed ... -
Reducing cold chain GHG emissions in Norwegian fish and meat industry sectors
(Chapter, 2023)The food chain represents a climate impact of major concern as it is a significant source of greenhouse gas (GHG) emissions. Norway has a long coastline with perfect conditions for salmon farming and well-established ... -
Reducing Emissions from Current Clean-Burn Wood Stove Technology by Automating the Combustion Air Supply and Improving the End-User Interaction - Two Important Primary Measures
(Peer reviewed; Journal article, 2023)The current work concerns two of the most important primary measures to reduce emissions from small scale appliances for space heating; improvement and optimization of current technology and user behavior, where the latter ... -
Reducing infection risk and optimization of airing concepts for indoor air quality by accurate aerosol and CO2 measurement
(SINTEF Proceedings;9, Chapter; Peer reviewed; Conference object, 2021)Since the outbreak of the SARS-CoV-2 pandemic and the findings about the virus transmission route through aerosols, indoor air quality is a major topic when it comes to efforts to contain the spread of SARSCoV- 2 in the ...