Development on Electrolytic Cell Gas Cooling

Gromard, Antoine de; Lim, Chin Giaw; Bouhabila, El Hani; Cloutier, Bernard; Frainais, Mathieu

doi:10.1007/978-3-319-48144-9_105

Cited by 4 publications

(2 citation statements)

References 1 publication

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“…Two Heat exchanger prototypes following the lab-scale concepts described above were installed in the Norsk Hydro aluminium plant in Øvre Årdal with operational results presented in 2014 [31]. Decrease of heat transfer coefficient over time due to fouling was around 10%, lower than the theoretical predictions.…”

Section: Fives Solios Heat Exchanger Prototypes Installed In åRdal (Hmentioning

confidence: 98%

Enabling Efficient Heat Recovery from Aluminium Pot Gas

Clos

Andresen

Nekså

et al. 2017

The Minerals, Metals &Amp; Materials Series

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In the present work, previous studies carried out by the Norwegian aluminium industry and research centres with the aim of recovering heat from aluminium production off-gas, are reviewed. The main challenge in improving heat recovery is the fouling phenomena, which is due to the presence of particulate matter and corrosive gases in the off-gas. Fouling can occur due to particle deposition, condensation of corrosive acids and scaling reactions, which in turn can build up hard layers, particularly, on heat exchanger surfaces. The review focuses primarily on fundamental studies (theoretical and experimental), which address off-gas composition characterization, particle size distribution and particle deposition phenomena in laboratory and industrial environments. Moreover, it presents commercial concepts already implemented in industry applications. Upcoming activities in regards to the scaling phenomena, which include the design of a cold-finger for laboratory and industrial measurements, as well as mathematical modelling using CFD, are also discussed.

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Section: Fives Solios Heat Exchanger Prototypes Installed In åRdal (Hmentioning

confidence: 98%

Enabling Efficient Heat Recovery from Aluminium Pot Gas

Clos

Andresen

Nekså

et al. 2017

The Minerals, Metals &Amp; Materials Series

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“…In metallurgy, as well as other industries, production processes are associated with the release of hot exhaust gases. One of the most effective solutions for heat recovery is the use of heat exchangers [ 15 , 16 , 17 , 18 , 19 , 20 , 21 ]. Heat recovery, in addition to reducing thermal pollution and reducing energy losses, has very noticeable impacts on the economic and environmental sides of the production process.…”

Section: Introductionmentioning

confidence: 99%

Development and Testing of the Thermoelectric Thermal Energy Conversion Device in the Conditions of Existing Aluminum Production

Kondratiev

Sysoev²,

Kolosov³

et al. 2022

Materials

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The aim of the work is to develop an energy-saving device that provides the conversion of thermal energy into electrical energy. The design and materials of the thermoelectric converter unit, consisting of 12 thermoelectric converter modules, a cooling radiator and a switching unit, were developed and selected. Based on the test results, the zone of the maximum temperatures in the section of the gas duct recommended for the installation of a gas cooling module using a thermoelectric converter was determined. The technology for cooling gases with the help of a thermoelectric converter was tested on the site located in front of the experimental heat exchanger. An assessment of the efficiency of the conversion of heat into electrical energy was conducted using the design of the thermoelectric converter unit, based on thermoelectric modules TGM 127-1.4-1.2. It was determined that the device is capable of generating electricity stably for production needs. The data obtained showed that, at a temperature difference of 75–80 °C between the wall surface of the gas duct section and the coolant, the power of one thermoelectric converter block of the gas cooling system reaches 9 W.

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Enabling power production from challenging industrial off-gas – model-based investigation of a novel heat recovery concept.

Skjervold¹,

Skaugen²,

Andresen³

et al. 2020

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Development on Electrolytic Cell Gas Cooling

Cited by 4 publications

References 1 publication

Enabling Efficient Heat Recovery from Aluminium Pot Gas

Enabling Efficient Heat Recovery from Aluminium Pot Gas

Development and Testing of the Thermoelectric Thermal Energy Conversion Device in the Conditions of Existing Aluminum Production

Enabling power production from challenging industrial off-gas – model-based investigation of a novel heat recovery concept.

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