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Fusion Science and Technology
Penfield and Enos: Outage planning in the COVID-19 era
Energy Harbor’s Beaver Valley plant, located about 34 miles northwest of Pittsburgh, Pa., was one of many nuclear sites preparing for a scheduled outage as the coronavirus pandemic intensified in March. The baseline objective of any planned outage—to complete refueling on time and get back to producing power—was complicated by the need to prevent the transmission of COVID-19.
While over 200 of the plant’s 850 staff members worked from home to support the outage, about 800 contractors were brought in for jobs that could only be done on-site. Nuclear News Staff Writer Susan Gallier talked with Beaver Valley Site Vice President Rod Penfield and General Plant Manager Matt Enos about the planning and communication required.
Beaver Valley can look forward to several more outages in the future, now that plans to shut down the two Westinghouse pressurized water reactors, each rated at about 960 MWe, were reversed in March. “The deactivation announcement happened in the middle of all our planning,” Enos said. “It’s a shame we haven’t had a chance to get together as a large group and celebrate that yet.”
While the focus remains on safe pandemic operations, the site now has two causes for celebration: an outage success and a long future ahead.
Anisia Bornea, Marius Zamfirache, Liviu Stefan, Ioan Stefanescu, Anisoara Preda
Fusion Science and Technology | Volume 67 | Number 2 | March 2015 | Pages 266-269
Proceedings of TRITIUM 2013 | dx.doi.org/10.13182/FST14-T7
Articles are hosted by Taylor and Francis Online.
Cryogenic distillation is the back-end process used in water detritiation technologies with the aim to separate the hydrogen isotopes and concentrate it for further extraction and storage. At ICIT, research towards cryogenic distillation has been approached to develop the technology for heavy water detritiation at CANDU reactors. These results can be also useful for fusion reactors. ICIT has developed a technology for producing heavy water which was completed through a technological transfer to a heavy water plant. With this technology, ICIT has developed a research program to achieve high efficiency ordered packing for the water distillation process. These packings have been promoted at Cernavoda NPP and now equip the heavy water upgrading installations for the CANDU reactors. The packages for water distillation processes were made of phosphorous bronze, being required a very high wettability. Considering on water distillation process similarity, respectively hydrogen distillation, ICIT has started a research program for the development of similar package made by stainless steel, to be used at cryogenic distillation. This paper presents two types of ICIT packages developed for hydrogen distillation and performance data obtained on laboratory scale. In order to determine the characteristics of the package, the installation was operated in the total reflux mode, for different flow rate for the liquid. There were made several experiments considering different operating conditions.