• reactor
  • There hasn't been a new nuclear reactor brought online in the U.S. since 1996, but there have been five permanently removed from service in the past three years. (powermag.com)
  • There is disclosed in the present application, a decontamination system for reactor vessels. (patentgenius.com)
  • The system is operatable without entry by personnel into the contaminated vessel before the decontamination operation is carried out and comprises an assembly which is introduced into the vertical cylindrical vessel of the typical boiling water reactor through the open top. (patentgenius.com)
  • 5. A decontamination system according to claim 1 further characterized in that the guide means comprises a pair of spaced apart vertical rods fixedly secured within the reactor vessel and centering means on the track for releasably engaging andcontinuing to engage the rods only while the decontamination operation is in progress to center the track in the vessel. (patentgenius.com)
  • The present invention relates generally to improvements in cleaning apparatus and systems and more particularly to such apparatus and systems which are especially suited for performing decontamination operationsin nuclear reactor vessels with minimal exposure of personnel to radiation. (patentgenius.com)
  • Other applications include ship hull inspection (Bluefin), nuclear reactor decontamination, exploration, and mining/drilling, Unlike other forms of unmanned vehicles, unmanned underwater vehicles can have difficulties communicating underwater. (wikipedia.org)
  • In 1996 the UK's eight most advanced nuclear plants, seven Advanced Gas Cooled Reactor (AGR) and one Pressurised Water Reactor (PWR) were privatised as British Energy, raising £2.1 billion. (wikipedia.org)
  • Westinghouse's businesses are fuel manufacture, decommissioning of nuclear sites and reactor design, construction and servicing. (wikipedia.org)
  • Waste
  • The fact that the U.S. does not have a permanent waste disposal facility for spent nuclear fuel has forced the NRC to implement regulations allowing portions of a facility to be released while a small area remains under license as an "independent spent fuel storage installation. (powermag.com)
  • Fauske & Associates, LLC (FAI) provides technical expertise and program guidance for the storage, processing and disposal of nuclear, chemical and defense waste and for process and safety analysis to support Decontamination & Decommissioning (D&D) of nuclear and hazardous material facilities. (fauske.com)
  • waste management process Decontamination & Decommissioning (D&D). It is uniquely suited to nuclear facility operations because it combines models for fluid flow and heat transfer with models for aerosol transport and deposition, explosions and fire. (fauske.com)
  • BNFL's nuclear waste transfer companies, Direct Rail Services and International Nuclear Services, were also both transferred to the NDA. (wikipedia.org)
  • radiation
  • Undertaking a full chemical decontamination of the main coolant circuit following shutdown will reduce significantly the radiation levels in the facility. (powermag.com)
  • A super-sized 62-meter long mechanized water-pump arm was donated by China's Sany group, along with an accompanying team of 5 engineers and consultants destined for the effort to quell the overheating and radiation problems of the crippled Fukushima nuclear power plant on 23 March 2011. (wikipedia.org)
  • organizations
  • Activities include: Forestry and woodworking, sale of timber, firewood, individual carpentry orders Growing crops as fodder for animals and also for human consumption Purebred horse breeding using forage resources in the reserve Pig farming, cattle farming, dairy farming Beekeeping, honey production Production of fruit tree seedlings Providing services to citizens and organizations (transport, sanitation, human decontamination, research on the concentration of radionuclides). (wikipedia.org)
  • defense
  • Each Missile Master had a nuclear bunker (except for the initial Ft Meade site) housing the Martin AN/FSG-1 Antiaircraft Defense System, as well as additional "tactical structures" for "an AN/FPS-33 defense acquisition radar (DAR) or similar radar, two height-finder radars," and identification friend or foe secondary radar (e.g. (wikipedia.org)
  • years
  • For over 35 years, this proven, efficient, and economical solution has enabled AREVA to decontaminate the components of more than 30 nuclear power plants worldwide, including in Germany, Japan, China, and the United States," declared Philippe Samama, Executive Vice President for the Installed Base Business Unit. (pennenergy.com)
  • Fukushima represents as entirely different level of contamination so far, one which could become much more serious if additional seismic events claim the day over the next 40 years as decontamination and decommissioning at the site continues. (wordpress.com)
  • electricity
  • Germany and Switzerland are planning to phase nuclear power completely out of their energy supplies, and even some politicians in France-a long-time nuclear power stalwart with more than three-quarters of its total electricity production from the source in 2014-are proposing a 50% cap on nuclear power's contribution to the country's electricity supply by 2025. (powermag.com)
  • workers
  • Heretofore, decontamination has been carried out by workers suspended inside the vessel, housed in a cubicle hanging down from a crane and manuallydirecting high pressure water at the vessel wall. (patentgenius.com)
  • level
  • The whole assembly is hoisted to a level above the top of the vessel by a crane, outboard slides on the assembly brought into engagement with the permanent guideways and the assembly progressively lowered in the vessel as the decontamination operation progresses. (patentgenius.com)
  • further
  • 3. A decontamination system according to claim 1 further comprising a central hub, a plurality of radial arms interconnecting the track and the hub, hoisting means including a lifting plate above the track and means interconnecting the radialarms and the plate. (patentgenius.com)
  • 6. A decontamination system according to claim 1 further comprising means for driving the arms with their outer ends guided by the track and the nozzle assemblies in close proximity to the wall of the vessel. (patentgenius.com)
  • 7. A decontamination system according to claim 6 further characterized in that the means for driving the arms includes an air motor and means for regulating the supply of air to the motor to control its speed. (patentgenius.com)
  • Chemical decontamination goes further than merely removing a contaminant from the environment. (faqs.org)
  • facility
  • These are thought to date from the base's use by ships contaminated in post-war nuclear testing, and from a nuclear training facility previously based there. (wikipedia.org)
  • Usually
  • Usually such decontamination must be done quickly, since the contaminant may be absorbed through the skin where it can cause internal damage. (faqs.org)
  • Missile Master radars were usually at a single area with the nuclear bunker (e.g., co-located with a USAF radar station) such as the 44 acres (18 ha) purchased for the Arlington Heights Army Istallation. (wikipedia.org)
  • company
  • In 1984, BNFL became a public limited company as British Nuclear Fuels plc, wholly owned by the UK government. (wikipedia.org)
  • This company, which was merged into Westinghouse, had nuclear interests in the United States, Europe and Asia. (wikipedia.org)
  • British Nuclear Fuels plc became British Nuclear Group (BNG) and a new holding company was established and adopted the British Nuclear Fuels plc name. (wikipedia.org)
  • separate
  • Later, BNFL sold the separate companies that made up its major subsidiary, British Nuclear Group, leaving a decommissioning and reprocessing organisation which became Sellafield Ltd. By May 2009, BNFL had completed the sales of all its assets and had no remaining operational activities or businesses. (wikipedia.org)