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  • Gravity supports | More than just pedestals

    In the ITER Tokamak, components with the simplest of missions—like supporting a very heavy load—are pieces of highly sophisticated technology. Take the gravity [...]

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  • Plasma-facing units | China delivers last batch to WEST

    It will be very hot, next summer, on WEST plasma-facing components. Equipped with a full ITER-grade tungsten divertor, the CEA-operated tokamak will enter Phase [...]

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  • Image of the week | The welding of the feeder stubs

    Operating inside a plastic tent, this welder from MAN Energy Solutions is finalizing the connection between a feeder stub and the cryostat base. Feeder stubs ar [...]

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  • Fusion world | Technical University of Denmark wins fusion outreach grant

    A consequential grant from the Danish Novo Nordisk Foundation will permit two fusioneers from the Technical University of Denmark (DTU) to broaden their educati [...]

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  • IAEA Scientific Forum | Urgent need for a clean energy transition

    On 22-23 September the International Atomic Energy Agency held its annual Scientific Forum on the margins of its General Conference. This year's theme was 'N [...]

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Of Interest

See archived entries

Ozonators on their way

Ozone will be produced on site by concentrating oxygen from the atmosphere and circulating the oxigen-enriched gaz through a system of glass tubes and high-voltage electrodes—a process called ''Corona discharge''. (Click to view larger version...)
Ozone will be produced on site by concentrating oxygen from the atmosphere and circulating the oxigen-enriched gaz through a system of glass tubes and high-voltage electrodes—a process called ''Corona discharge''.
Ozone is one of the most efficient disinfectants—in ITER, it will be injected into the heat rejection system to limit the growth of bacteria and other living organisms.

A molecule composed of three oxygen atoms, ozone will be produced on site from the oxygen present in the atmosphere. It will be obtained by circulating a flow of oxygen-enriched gas (90 percent) through a system of glass tubes and high-voltage electrodes.

The installation, housed in three large containers located at the south edge of the cooling basins, comprises four ozone generators. Normally, only three of these "ozonators" will be in operation at a given time, each producing an average of 4 kilograms per hour.

As ozone rapidly dissipates in water, the ozonation system will have to run continuously ... although full capacity will only be required during plasma operation.

Part of India's contribution to the project, the fully equipped containers left the port of Hazira on 27 January and are expected at Fos harbour on 19/20 February.


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