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E-booklet
Information about TVEL Corporation |
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VVER reactor fuel
VVER-440 fuel assemblies (FA) have been manufactured since 1963. Presently supplies are made to meet the demands of NPP in Russia, Ukraine, Armenia, Eastern European countries and Finland.
A VVER-440 FA is composed of 126 fuel rods with zirconium alloy claddings, which are filled with fuel pellets of uranium dioxide.
To improve reactor physical properties and safety some fuel rods are filled with pellets containing gadolinium oxide.
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TVEL Corporation Address:
49 Kashirskoe shosse,
Moscow 115409
Tel.: +7 495 239-49-22,
+7 495 988-8282 (commutator)
Fax: +7 495 988-8383 ext. 6956
E-mail: info@tvel.ru |
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Research reactor fuel assemblies are designed to generate neutrons to conduct scientific and research experiments in the field of nuclear physics, radiation biology and industrial-scale manufacture of radioisotope products.
The fuel assembly being manufactured at Novosibirsk Chemical Concentrates Plant is designed as a seamless fuel rod which intermediate layer is made of uranium fuel composition canned into aluminum alloy cladding. Fuel rods feature different profiles of cross-section to facilitate fabrication of FAs with any pre-set performance characteristics.
TVEL Corporation supplies nuclear fuel for research reactors in Russia, Hungary, Kazakhstan, Uzbekistan, Poland, Ukraine, the Czech Republic, Bulgaria, Vietnam and Libya.
More information you can find here.
If you are interested in these products, please contact us for further information by e-mail commerce@tvel.ru.  Printable version
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Nuclear fuel cycle
Nuclear fuel cycle is a combination of techniques for mining uranium, nuclear reactor fuel production and preparing the fuel for the use and after-use disposal. The notion “fuel cycle” specifies the fact that spent or irradiated nuclear fuel (SNF) can be regenerated after special treatment. The nuclear fuel cycle, including ultimate disposal of high-level waste, takes generally 50 to 100 years.
Nuclear power fuel cycle can be divided into three phases. The initial phase covers uranium ore mining through supply of fabricated fuel assemblies to NPP sites. The next phase includes reactor operation to generate electricity and temporary store SNF at NPP site. The final phase includes several operations: irradiated fuel transportation to a special storage facility or SNF reprocessing plant and burial of vitrified high-level waste after reprocessing.
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