824 Hits in 9.1 sec

ANCRE-A Roadmap on Chemistry for Nuclear Energy

Bernard Bonin, Gérard Cote, Françoise Touboul
2012 Procedia Chemistry  
This work resulted in the production of several roadmaps, one for each major domain of nuclear R&D.  ...  The elaboration of this roadmap was the occasion to gather the national community of nuclear chemists for a general reflection on the stakes in chemistry for nuclear energy, the main scientific problems  ...  Acknowledgements We thank people who participated in its elaboration, and more specially G . Baldacchino, P. Baron, B.  ... 
doi:10.1016/j.proche.2012.10.003 fatcat:mwcuircrgbgldhfvahbpmwawue


A. I. Zhukouski, A. Anshakou, A. Biryla, U. Chyrykala, Y. Kanavalau, A. O. Nichyparchuk, A. Savitski, A. A. Khrutchinsky, S. A. Kutsen
2016 Pribory i Metody Izmerenij  
of emergency situations in nuclear fuel cycle plants we need to develop measurement instruments with advanced mathematics and program support to assess the level of radioactive contamination with required  ...  Abstract In order to solve the problem of continuous or periodic monitoring of water areas affected by radioactive contamination in the result of scheduled emissions in nuclear power plants or in the result  ...  of emergency situations at nuclear fuel cycle enterprises.  ... 
doi:10.21122/2220-9506-2016-7-3-256-261 fatcat:ou2ug3sfxngsndeg7whotj3yxe

Management of Radioactive Waste from HTGR Reactors Including Spent TRISO Fuel—State of the Art

Katarzyna Kiegiel, Irena Herdzik-Koniecko, Leon Fuks, Grażyna Zakrzewska-Kołtuniewicz
2022 Energies  
Two leading nuclear fuel cycle strategies, the once-through cycle (direct disposal or open cycle) and the twice-through cycle (recycling or partially closed cycle), are discussed also in relation to TRISO  ...  The types of waste generated in the HTGR cycle are presented as well as the methods of their characterization, which are important for long-time storage and final disposal.  ...  Conflicts of Interest: The authors state that there is no conflict of interest in presented work.  ... 
doi:10.3390/en15031099 fatcat:56wev2xnqjbe7p5mtat3tz7juq

Challenges associated with the behaviour of radioactive particles in the environment

Brit Salbu, Valery Kashparov, Ole Christian Lind, Rafael Garcia-Tenorio, Mathew P. Johansen, David P. Child, Per Roos, Carlos Sancho
2018 Journal of Environmental Radioactivity  
Steve Tims, National University Canberra for providing AMS Pu data for Palomares and Thule sediment and leachate samples.  ...  The authors are also indebted to Jakub Jaroszewicz, Warsaw University of Technology, Poland, for nano-tomography analyses.  ...  It is well established that a major fraction of refractory radionuclides such as uranium (U) and plutonium (Pu) released to the environment from the nuclear weapon and fuel cycles is present as particles  ... 
doi:10.1016/j.jenvrad.2017.09.001 pmid:28941957 fatcat:ulqvtcxbkbeqjlrdxxwlvzb5ky

Introductory Chapter: Introduction to Hazardous Waste Management [chapter]

Hosam El-Din M. Saleh
2016 Management of Hazardous Wastes  
., Water hyacinth for phytoremediation of radioactive wastes simulate contaminated with cesium and cobalt radionuclides.  ...  The primary sources of radioactive wastes in a country without nuclear fuel cycle activities are nuclear research, production of radioisotopes, application of radioisotopes, and decontamination and decommission  ...  In Spence R, Shi C, editors.  ... 
doi:10.5772/64245 fatcat:p3ff77v4tnbjfguwis2rvvmm6m

Advanced Measuring (Instrumentation) Methods for Nuclear Installations: A Review

Wang Qiu-kuan, Lin Chang-hua, Yang Yan
2012 Science and Technology of Nuclear Installations  
The research of measurement in nuclear installations involves many aspects, such as nuclear reactors, nuclear fuel cycle, safety and security, nuclear accident, after action, analysis, and environmental  ...  This paper mainly introduces the development of the measuring (instrumentation) methods for nuclear installations and the applications of these instruments and methods.  ...  Measurement Methods for Nuclear Fuel Cycle.  ... 
doi:10.1155/2012/672876 fatcat:7eabbjdvnnco7ebjninppyppqm

Humans and Ecosystems Over the Coming Millennia: Overview of a Biosphere Assessment of Radioactive Waste Disposal in Sweden

Ulrik Kautsky, Tobias Lindborg, Jack Valentin
2013 Ambio  
The study relies mainly on research performed in the context of a recent safety report concerning a repository for spent nuclear fuel in Sweden (the so-called SR-Site project).  ...  It introduces a special issue of AMBIO, in which 13 articles show ways of understanding and characterizing the future.  ...  The safety assessment for the planned KBS-3 repository for spent nuclear fuel extends to 1 million years, over which period about eight glacial-interglacial cycles are expected.  ... 
doi:10.1007/s13280-013-0405-7 pmid:23619796 pmcid:PMC3636374 fatcat:khr2bs7f2re4nhgw6raqo5mtqa

Cesium emissions from laboratory fires

Wei Min Hao, Stephen Baker, Emily Lincoln, Scott Hudson, Sang Don Lee, Paul Lemieux
2018 Journal of the Air and Waste Management Association  
Implications: There is a potential for emissions of radionuclides such as cesium-137 from a wildfire over a radionuclide-contaminated forest.  ...  In the event of a wildfire in a radionuclide-contaminated forest, some radionuclides would be emitted in the air while the rest would remain in the ash.  ...  It has been subjected to the agency's review and has been approved for publication. Note that approval does not signify that the contents necessarily reflect the views of the agency.  ... 
doi:10.1080/10962247.2018.1493001 pmid:29953328 fatcat:qgveohuaxbazlbbeetmkuvlv3m

Monte Carlo Simulations of Nuclear Fuel Burnup [chapter]

Raghava R. Kommalapati, Fiifi Asah-Opoku, Hongbo Du, Ziaul Huque
2016 Nuclear Material Performance  
The goal in this chapter is to analyze the effect of different nuclear fuel grades on the total radioactivity of the reactor core by employing nuclear burnup calculations for the three different fuels:  ...  in a nuclear reactor.  ...  Acknowledgements This work is supported by the National Science Foundation (NSF) through the Center for Energy and Environmental Sustainability (CEES), a NSF CREST Center (Award NO. 1036593).  ... 
doi:10.5772/62572 fatcat:23jys5gscrhcdg2unba3rt3mdi

Management of Radioactive Waste Containing Graphite: Overview of Methods

Leon Fuks, Irena Herdzik-Koniecko, Katarzyna Kiegiel, Grazyna Zakrzewska-Koltuniewicz
2020 Energies  
Attention has been paid to the methods of handling spent TRISO fuel after its discharge from high-temperature gas-cooled reactors (HTGR) reactors.  ...  Since the beginning of the nuclear industry, graphite has been widely used as a moderator and reflector of neutrons in nuclear power reactors.  ...  To do this, any method known in the nuclear fuel cycle may be applied. In summary, this method may be used only when waste is expected to contain a significant mass of recyclable components.  ... 
doi:10.3390/en13184638 fatcat:lcdwslgjwffcvisfgec6agqduq

Biomass Gasification: A Review of Its Technology, Gas Cleaning Applications, and Total System Life Cycle Analysis [chapter]

Kenji Koido, Takahiro Iwasaki
2018 Lignin - Trends and Applications  
Gasification technology presents one option for energy-conversion technique from woody biomass contaminated by radionuclides released in March 2011 during the Fukushima Dai-ichi Nuclear Power Plant accident  ...  Owing to their smallscale distributed configuration, woody biomass gasification plants are suitable for gasifying Japan's biomass and have been installed increasingly in Japan recently.  ...  Acknowledgements The author thanks all those involved in preparing this chapter, including Mr. Tachihara and Dr. Moritz for providing plant data.  ... 
doi:10.5772/intechopen.70727 fatcat:uk77766kdrhoxi6axmukdrlfzu

General Overview of the Research Project Investigating the Radionuclide Solution Behavior in Mock Mortar Matrix Modeled after Conditions at the Fukushima-Daiichi Nuclear Power Station

Go Igarashi, Kazuko Haga, Kazuo Yamada, Haruka Aihara, Atsuhiro Shibata, Yoshikazu Koma, Ippei Maruyama
2021 Journal of advanced concrete technology  
Decommissioning of the Fukushima Daiichi Nuclear Power Station (F1NPS) in a proper manner requires assessment of the contamination levels and mechanisms for contamination in the concrete structures.  ...  Mechanisms of Concrete and the Estimation of Contamination Distribution at the Fukushima Daiichi Nuclear Power Station".  ...  Acknowledgements This study draws on the 2018 fiscal year report for the "Nuclear Energy Science & Technology and Human Resources Development Project through Concentrating Wisdom", supported by the Ministry  ... 
doi:10.3151/jact.19.950 fatcat:fvwmn6jbkrbibd47gwz7q47tfm

Uncovering transport, deposition and impact of radionuclides released after the early spring 2020 wildfires in the Chernobyl Exclusion Zone

Nikolaos Evangeliou, Sabine Eckhardt
2020 Scientific Reports  
The large size of biomass burning particles carrying radionuclides prevents long-range transport as confirmed by concentrations reported in Europe.  ...  The highest cumulative effective doses (> 15 μSv) were calculated for firefighters and the population living in the CEZ, while doses were much lower in Kiev (2-5 μSv) and negligible in Belarus, Russia  ...  We acknowledge the use of data products or imagery from the Land, Atmosphere Near real-time Capability for EOS (LANCE) system operated by NASA's Earth Science Data and Information System (ESDIS) with funding  ... 
doi:10.1038/s41598-020-67620-3 pmid:32606447 fatcat:ewm2yen7gfddtjratl4srlcjva

Speciation of Uranium and Plutonium From Nuclear Legacy Sites to the Environment: A Mini Review

Anna Yu. Romanchuk, Irina E. Vlasova, Stepan N. Kalmykov
2020 Frontiers in Chemistry  
Among them, uranium and plutonium are the most important as they are used in the nuclear fuel cycle and nuclear weapon production.  ...  Since the beginning of national nuclear programs and nuclear tests, many radioactively contaminated nuclear legacy sites, have been formed.  ...  The recent rapid development of spectrometric, microscopic, and other analytical methods enables us to better understand the processes that occur at the contaminated sites.  ... 
doi:10.3389/fchem.2020.00630 pmid:32903456 pmcid:PMC7434977 fatcat:q6f6k6mmmzf5jlqgml334c65ie

Cesium and Strontium Contamination of Nuclear Plant Stainless Steel: Implications for Decommissioning and Waste Minimization

Adam R. Lang, Dirk L. Engelberg, Clemens Walther, Martin Weiss, Hauke Bosco, Alex Jenkins, Francis R. Livens, Gareth T. W. Law
2019 ACS Omega  
Stainless steels can become contaminated with radionuclides at nuclear sites. Their disposal as radioactive waste would be costly.  ...  (alkaline ponds) and PUREX nuclear fuel reprocessing (HNO3).  ...  Centre of Expertise in Decontamination and Effluent Treatment and thank Ben Spencer (University of Manchester) for assistance with XPS measurements.  ... 
doi:10.1021/acsomega.9b01311 pmid:31528795 pmcid:PMC6740182 fatcat:l4tjancjivhorp24likd4kpise
« Previous Showing results 1 — 15 out of 824 results