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round up
REGULATION & LAW US UTILITIES, DUKE Energy Carolinas and Duke Energy Progress have filed their Integrated Resource Plan (IRP) with the Public Service Commission of South Carolina. The plan envisages extending the lives of Duke Energy’s six NPPs.
KOREA HYDRO & Nuclear Power (KHNP) and US-based Westinghouse Electric Corp are reportedly seeking arbitration at the International Chamber of Commerce with respect to their dispute over South Korea’s NPP exports to Poland after attempts at an out-of-court settlement failed. A Westinghouse lawsuit alleges that Korea’s APR1400 reactor uses Westinghouse technology.
THE NUCLEAR HEAT Utilisation Council has been set up by 13 South Korean organisations to create a new nuclear process heat business. Participants are industries, research institutes, and a local government. Their aim is to jointly strengthen their capabilities for developing and commercialising nuclear
process heat.
COMPANY NEWS US MAJOR ENGINEERING and defence company, KBR, has made a potential $5bn takeover approach for Jacobs’ Critical Mission Solutions (CMS) operations in the UK, the Sunday Times reported. CMS is currently working on clean-up operations at Sellafield site as well as at the Hinkley Point C NPP under construction.
SWEDISH COMPANY LEADCOLD has announced that it is changing its name to Blykalla. “Our previous international brand, Leadcold, will be phased out over the coming months,” the company said. “Blykalla is not only a more differentiated brand, but also a homage to our Swedish background under this name.”
United Kingdom Sellafield removing silo waste The UK Nuclear Decommissioning Authority (NDA) and Sellafi eld Ltd have announced the start of work to retrieve waste from the 70-year-old Pile Fuel Cladding Silo (PFCS) at the Sellafi eld site in West Cumbria. After weeks of preparation the PFCS retrievals
team used a state-of-the-art robotic arm to reach into the silo to remove and repackage waste for the first time. The PFCS was built in the 1950s to store cladding from used fuel from the Windscale Piles – the first reactors to be built at Sellafield. The huge concrete silo was designed as a locked vault with no plan for decommissioning. The structure is 29 metres long 10 metres wide and 18 metres high. The silo’s six compartments were filled after
almost 20 years of operations and it stopped receiving waste in the early 1970s. The building then underwent several upgrades while a plan for retrieval was developed. NDA and Sellafield Ltd say it represents “one of the most complex and difficult decommissioning challenges in the world” and one of their highest priorities. It has stored over 3,200 cubic metres of intermediate level waste for 70 years. It’s also situated in a highly congested part of the Sellafield site. During the past 10 years, a massive concrete superstructure has been built around the silo and specially engineered 12-tonne shield doors have been installed on each of its six compartments. In 2017 holes were successfully cut in the top of each compartment, allowing access for the first time in 65 years. Sellafield Ltd then designed, manufactured,
tested, and installed nine huge modules containing the machinery needed to empty the silo. This was done in collaboration with Bechtel and Cavendish Nuclear Solutions working together as Bechtel Cavendish Nuclear Solutions. Testing of the robot grab was completed earlier in August. Operators used the grab to pick up the waste
before loading it into a specially designed 3 cubic metre stainless-steel box. Once filled, the box will be loaded into a shielded flask
and transported to the Box Encapsulation Plant Product Store – Direct Import Facility (BEPPS-DIF), a new above-ground store that has been specially constructed on the site. BEPPS-DIF will store the waste until it is ready for immobilisation prior to permanent disposal underground in a Geological Disposal Facility.
China Core module completed at ACP100 Assembly and installation of the core module for the world’s fi rst land-based commercial small modular reactor (SMR), China’s ACP100 reactor (also known as Linglong One), has been completed at Changjiang on the southern island province of Hainan, according to China National Nuclear Corporation (CNNC). The ACP100 is an indigenously designed multi-purpose PWR. The core module, designed by the Nuclear
Power Research & Design Institute of China for CNNC, includes the pressure vessel, steam generators and main pumps of the ACP100, avoiding the need for a main pipeline. The joints between the steam generator and the reactor pressure vessel were earlier welded together at the factory. CNNC said this “marks the debut of modular manufacturing and installation of nuclear reactor modules, representing a historic step of global nuclear miniaturisation.” The 125 MWe ACP100 project began development in 2010 and the integrated preliminary design was completed in 2014. It was the first SMR design to pass a safety review by the International Atomic Energy Agency in 2016. The project was launched in July 2019 and first concrete was poured in July 2021, with a planned total construction period of 58 months. Equipment installation work began in December 2022 and the main internal structure of the reactor building was completed in March. The reactor is designed for electricity production, heating, steam production or desalination. The Changjiang site hosts two operating
Chinese-designed CNP600 pressurised water reactors, and construction of two Hualong One units began in March and December 2021 – both scheduled to enter commercial operation by the end of 2026.
A leader in nuclear instrumentation, Reuter-Stokes offers more than 60 years’ experience in the field, with thousands of neutron and gamma detectors deployed. This depth of experience has established Reuter-Stokes as an excellent operational partner, continually enhancing instruments to maintain excellent reliability, sensitivity and reduced service cycles.
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10 | September 2023 |
www.neimagazine.com
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