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From the pages of Nuclear News: Industry update September 2024
Here is a recap of industry happenings from the recent past:
BWXT advanced nuclear reactor agreement signed
Burns & McDonnell, a family of construction and design companies, has entered into an agreement with BWX Technologies to further advance the design and development of the BWXT BANR microreactor, which has a “passively safe design” for powering remote facilities while providing a carbon-free source of heat and electricity. The two companies completed the first phase of their collaboration in early 2024 and intend to complete the second phase by the third quarter of 2025. Burns & McDonnell is helping BWXT develop the balance-of-plant systems for the BANR, generate the power plant layout, and perform preconstruction planning. Its scope of work also includes developing power cycle architecture, identifying critical components, integrating site design, and supporting steam and power distribution infrastructure and reactor building structures. The Wyoming Energy Authority is currently evaluating the feasibility of using the BANR in a state nuclear market for baseload heat and power deployed for remote industrial users, such as mining operations.
Tsunetaka Banba, Takashi Murakami
Nuclear Technology | Volume 70 | Number 2 | August 1985 | Pages 243-248
Technical Paper | Radioactive Waste Management | doi.org/10.13182/NT85-A33648
Articles are hosted by Taylor and Francis Online.
Soxhlet-type leaching experiments were carried out for 200 days and the leaching solutions analyzed by inductively coupled plasma spectroscopy and atomic absorption spectroscopy. The data of the solution analysis and the results of our previous study on the surface layers revealed the fact that elements in the waste glass were classified into three groups and were released into solution in accordance with the following mechanisms: Group I contained sodium, cesium, potassium, boron, and molybdenum; the release of the group I elements was controlled by diffusion and decomposition processes in the glass. Group II contained manganese, iron, nickel, zirconium, yttrium, lanthanum, cerium, neodymium, samarium, and dysprosium; the release of the group II elements was controlled by solubility of the sheet silicate formed in the surface layers. Group III contained silicon, aluminum, calcium, strontium, barium, magnesium, and chromium; the release of the group III elements was controlled by diffusion and decomposition processes in the glass, and was also affected by formation of the sheet silicate.