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Scientists of Russia’s Tomsk Polytechnic University (TPU) are investigating the behaviour of welded joints made of E110 zirconium alloy, obtained by means of laser welding with the aim of developing accident tolerant fuel.

Date: Friday, 14 January 2022
Original article: neimagazine.com/news/newsrussian-scientists-develop-chrome-coatings-to-protect-fuel-assemblies-9401086

The US Nuclear Regulatory Commission (NRC) on 6 January issued a determination denying US-based Oklo Power's application to build and operate its Aurora compact fast reactor in Idaho. NRC said gaps in the information supplied by the company presented its review of the combined licence application from moving forward. Oklo can submit a "complete application" in the future and can request a hearing on the NRC decision.

Date: Tuesday, 11 January 2022
Original article: neimagazine.com/news/newsnrc-denies-oklo-licence-application--9388399

The US Nuclear Regulatory Commission (NRC) has denied Oklo Power's application to build and operate an Aurora compact fast reactor in Idaho, saying gaps in the information supplied by the company mean that the regulator's review of the combined licence application cannot move forward. Oklo can submit a "complete application" in the future and can request a hearing on the NRC decision.

Date: Saturday, 08 January 2022
Original article: world-nuclear-news.org/Articles/NRC-denies-Oklo-licence-application

Worldwide supplies of molybdenum-99 (Mo-99) made without using highly enriched uranium (HEU) are now sufficient for the USA to ban exports of HEU material for foreign medical isotope production.

Date: Friday, 24 December 2021
Original article: world-nuclear-news.org/Articles/Isotope-supplies-allow-USA-to-stop-HEU-exports

The first full assemblies of a new kind of nuclear fuel have been loaded into Russia's Balakovo 1 for a five-year trial. Rosatom's REMIX fuel promises to close the fuel cycle using today's light-water reactors.

Date: Thursday, 23 December 2021
Original article: world-nuclear-news.org/Articles/First-batch-of-REMIX-fuel-begins-trial

Test is part of Moscow’s efforts to close nuclear fuel cycle Remix fuel is made from uranium and plutonium recovered from used fuel. Courtesy Tvel. Six full fuel assemblies with uranium-plutonium Remix fuel rods have been loaded into the VVER-1000 reactor core during a scheduled outage at Unit 1 of the Balakovo nuclear power station in Russia.

State nuclear fuel company Tvel said each Remix assembly contains only fuel rods with a mixture of uranium and plutonium recovered from spent nuclear fuel, with 312 fuel rods in each assembly.

Since 2016, three fuel assemblies, each containing six experimental Remix fuel rods, have been undergoing pilot operation at Unit 3 at Balakovo, about 900km southeast of Moscow. The third 18-month cycle of their irradiation began in 2020 and was completed earlier this year.

Remix fuel is made from uranium and plutonium recovered from used fuel. It is topped up with low-enriched uranium to give a fuel that performs within the same parameters as fuel made only from fresh low-enriched uranium. Remix can be used in existing reactors without changes to their design or additional safety measures.

Date: Wednesday, 22 December 2021
Original article: nucnet.org/news/six-remix-fuel-assemblies-loaded-at-balakovo-1-vver-12-2-2021

Commercial operation scheduled for June 2022 First electricity is expected to be generated at Olkiluoto-3 in January 2022. Image courtesy TVO. Finland’s Radiation and Nuclear Safety Authority in Finland (Stuk) granted today a permit to utility Teollisuuden Voima Oyj (TVO) to go ahead with the physical startup of the Olkiluoto-3 EPR plant in western Finland, a statement by the regulator said.

Last week, TVO submitted an application to Stuk asking for green light to proceed towards first criticality at the 1,600-MW Generation III pressurised water reactor unit. First criticality at a nuclear plant means achieving a controlled, self-sustaining nuclear fission chain reaction in the reactor core for the first time

Stuk said Olkiluoto-3 has met the preconditions for criticality and low power tests, but before the reactor is made critical the regulator will still verify the startup preparedness of the plant.

Date: Friday, 17 December 2021
Original article: nucnet.org/news/regulator-gives-green-light-for-first-criticality-at-finland-epr-plant-12-4-2021

More testing ahead of commercial operation The Fuqing nuclear power station in Fujian province, southeastern China. Image courtesy CNEA. First criticality has been achieved at Unit 6 of the Fuqing nuclear power station in Fujian province, southeastern China, the China Nuclear Energy Association (CNEA) said today.

CNEA said a stable self-sustaining nuclear fission chain reaction was achieved for the first time at 18:32 local time on 11 December 2021.

Fuqing-6 has now become the second of two demonstration Generation-III Hualong One units at the site which have been started up.

Date: Tuesday, 14 December 2021
Original article: nucnet.org/news/fuqing-6-becomes-second-hualong-one-to-reach-first-criticality-12-1-2021

The US Department of Energy Office of Environmental Management (EM) is marking thirty years of cleanup work at the Idaho National Laboratory (INL) site to ensure the protection and safety of the underlying Snake River Plain aquifer in compliance with state and federal regulations.

Date: Friday, 10 December 2021
Original article: world-nuclear-news.org/Articles/Three-decades-of-cleanup-work-marked-at-US-legacy

EPR unit expected to become commercial in summer 2022 An aerial view of the Olkiluoto nuclear power station in western Finland, showing the newest Olkiluoto-3 EPR plant and the older Olkiluoto-1 and -2 in the background. Courtesy TVO. Finnish utility Teollisuuden Voima Oyj (TVO) has asked national nuclear regulator Stuk for permission to proceed towards first criticality for the Olkiluoto-3 EPR plant in western Finland, the company said in a statement.

According to the statement, TVO also seeks regulatory authorisation to carry out low power tests at the 1,600-MW Generation III EPR unit, supplied by an Areva-Siemens consortium.

First criticality at a nuclear plant means achieving a controlled, self-sustaining nuclear fission chain reaction in the reactor core for the first time.

Date: Thursday, 09 December 2021
Original article: nucnet.org/news/tvo-submits-application-regulator-for-first-criticality-permission-12-3-2021