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Home Nuclear Energy & Safety Tritium Static Eliminators (TSET)

Tritium Static Eliminators (TSET)


Tritium sources for generating soft beta-radiation (BITr-M) are at the heart of the static eliminators developed by physicists at the Kyiv Institute for Nuclear Research. The sources themselves are comprised of a thin film (0,5 μm) of titanium metal impregnated with tritium deposited on molybdenum backing material. The working surface of the source is covered with a protective film made of either silicon monoxide or dioxide.

Tritium used in BITr-M is a pure beta-radiator which emits the lowest maximum energy (18,6 keV) among all known isotopes. It permits and essentially unlimited use of these static eliminators in production facilities without having to employ special radiation protection measures where, in some cases, there is no option other than the use of these static eliminators.

These static eliminators operate under the principle that air flowing past the working material is ionized by the beta radiation (electrons) which is then able to attract and neutralize latent charges (of opposite polarity) accumulated in the working environment. The ionization current produced by the BITr-M is 1,5-10-8 A/cm2.

Based on client needs, these eliminators may be constructed to match the specific working environment. In one example, the sources are set in proximity (1–3 cm) to electrifiable material while an ionization current is maintained due to the electrostatic charge. The required ionization current from the working surface is provided by the choice of BITr-M sources. As such, static eliminators may be produced to meet the specific needs of the client. The static eliminator service life is no less than 8 year.

Innovative Aspect and Main Advantages

  • high efficiency and complete autonomy;
  • compactness, simplicity and convenience in service;
  • reliability and durability;
  • operation of these eliminators is possible even in explosion and firehazard conditions;
  • operate independently of power sources;
  • may be used in a wide variety of industrial needs;
  • inexpensive;
  • ecological hazards are essentially nonexistent.

This product is designed to eliminate electrostatic charges that arise during the treatment of materials highly susceptible to electrification. As such, these eliminators help to reduce unforeseen outages and external interference in process such as material sealing, material crushing, photo-material exposure, etc., to increase worker safety by decreasing the probability of occurrence of fires and explosions connected to spark formation, and to minimize electrostatic field effects on workers and the working environment.

Areas of Application

These static eliminators may be employed in the chemical, textile, printing and other industries including the manufacture and treatment of film, sheet and powder materials which are susceptible to static electrification.

Fig. 1 Tritium static Elemina Tors TSET

Stage of Development

Preparations are underway to create facilities for the serial production of the static eliminators in industries that work with dielectric and other static-susceptible materials.

Contact Details

Nicolay Kolomiets
Institute for Nuclear Research of the National Academy of Sciences of Ukraine
Prospekt Nauki, 47, Kyiv 03028, UKRAINE
Telephones: (380-44) 525-2349, (380-44) 525-2614
Fax: (380-44) 525-4463
EMmail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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