Sentences with phrase «for reactor fuels»

The use of uranium enrichment tailings for reactor fuel through the «re-enrichment» of UET is not yet a significant world source of uranium for reactor fuel, except in the Russian Federation.

Not exact matches

Under an agreement with Russia, the United States was to convert 34 metric tons of plutonium into fuel for civilian reactors that generate electricity.
For example, Vogt says that the General Fusion reactor must run on a constant stream of tritium, the fuel for the fusion reactiFor example, Vogt says that the General Fusion reactor must run on a constant stream of tritium, the fuel for the fusion reactifor the fusion reaction.
General Atomics has received two awards from the U.S. Department of Energy totaling more than $ 3.26 million to continue the San Diego - based company's work on developing new types of fuel for advanced nuclear reactors.
The visit highlighted specific opportunities for Canada - India civil nuclear co-operation beyond the commercial exchange of reactor fuel
The visit highlighted specific opportunities for Canada - India civil nuclear co-operation beyond the commercial exchange of reactor fuelFirst, the visit highlighted specific opportunities for Canada - India civil nuclear co-operation beyond the commercial exchange of reactor fuel.
GWE combine specialized know - how in generating biogas with our extensive range of anaerobic reactors, and in supply and installation of biogas re-use and handling systems for fossil fuel replacement or power generation.
Russ» team is charged with the design of the advanced fuel assemblies and reactor cores for the power stations that provide about 7 % of U.S. electricity capacity and more internationally.
The only thing that did change was that Iran decided to negotiate more constructively, explain its position better and try to reach a deal by compromising on activities they don't really need (e.g. enriching to 20 % to produce fuel for their isotope reactor).
Indian Point's nuclear power is neither clean nor green, and the process needed to create fuel from uranium for its reactors is energy - intensive and creates greenhouse gases such as carbon dioxide.
While nuclear reactors do not emit carbon dioxide at the point of power generation, the nuclear fuel chain is responsible for carbon emissions during mining, milling, enriching, construction, transportation, and decommissioning.
Of all the terrible news from the crippled Fukushima Daiichi nuclear power plant, reports about the spent fuel storage pool for reactor # 4 may be among the most disconcerting for scientists.
Spent fuel from Sizewell B, Britain's first pressurised water reactor, will not be sent to Sellafield for reprocessing.
If not, the vapor would enter a second chamber for electrolysis.The oxygen would be siphoned off to the lunar habitat or to fuel storage tanks, while the hydrogen would return to the reactor for reuse.
Scientists are also investigating the possibility of using high - temperature nuclear reactors to make hydrogen for fuel cells.
Japan's nuclear plant crisis with the radioactivity contamination from spent fuel pools is likely to put an overdue spotlight on stalemated U.S. policies for managing reactor fuel, authors of a Massachusetts Institute of Technology report on the nuclear fuel cycle said yesterday.
Fuel units must be stored initially in pools at reactor sites for about five years, until the decay heat drops enough to permit movement into dry cask containers.
To support R&D for new reactors and fuel cycles, facilities will ultimately be required with special test capabilities.
Chandrayaan - 2 will collect data on the moon's thin envelope of plasma, as well as isotopes such as helium - 3, a potential fuel for future fusion energy reactors.
To try to confirm the location and condition of the melted fuel, the International Research Institute for Nuclear Decommissioning, set up by TEPCO and other entities, has been probing the reactors» innards with muons.
Last year managers agreed to a road map for decommissioning the site over the next 30 to 40 years that calls for removing melted nuclear fuel masses and demolishing the plant's four reactor halls at a cost that could top $ 9 billion.
Transfers of casks from operating reactors could follow, and the report authors said that would help resolve a long - running court dispute over payments nuclear plant operators are required to make to the federal government in return for federal storage of the spent fuel — a bargain the federal government has not kept.
The shape of the crystals, together with their increased reactivity, enables the consolidation of homogeneous nanostructured mixed oxides as intermediates towards very dense nuclear fuels for advanced reactors.
The agency says the Hanford site in southeastern Washington, which manufactured more than 20 million pieces of uranium metal fuel for nine nuclear reactors near the Columbia River, is its biggest cleanup challenge.
The evaluations must ensure that backup cooling systems for reactors and spent fuel pools can operate for a long time in «blackout» conditions, where on - site and off - site power is cut off.
In particular, a relatively new form of nuclear technology could overcome the principal drawbacks of current methods — namely, worries about reactor accidents, the potential for diversion of nuclear fuel into highly destructive weapons, the management of dangerous, long - lived radioactive waste, and the depletion of global reserves of economically available uranium.
Notably, that schedule is reasonably compatible with the planned timetable for shipment of spent thermal - reactor fuel to Yucca Mountain.
In the 1980s this research was directed toward a fast reactor (dubbed the advanced liquidmetal reactor, or ALMR), with metallic fuel cooled by a liquid metal, that was to be integrated with a high - temperature pyrometallurgical processing unit for recycling and replenishing the fuel.
It could be stashed away for future use as fast - reactor fuel.
Next they scrape the accumulated materials off the electrode, melt them down, cast them into an ingot and pass the ingot to a refabrication line for conversion into fast - reactor fuel.
After all, the spent fuel pools that may have been exposed by the power plant explosions contain more than 200 metric tons of used uranium fuel rods that have been cooling for weeks, months or even years — and smoke or steam continues to billow from the exposed spent fuel pool of reactor No. 3.
Fast reactors can thus minimize the risk that spent fuel from energy production would be used for weapons production, while providing a unique ability to squeeze the maximum energy out of nuclear fuel.
Although the utility managed to safely remove all 1,533 fuel bundles from the plant's unit No. 4 reactor by December 2014, it still has to do the same for the hundreds of rods stored at the other three units.
Appropriators in the Senate, meanwhile, endorsed plans for a center dedicated to the modeling and simulation of nuclear reactors, and gave qualified support to two more: A hub to make fuels directly from sunlight and another on energy - efficient buildings.
Jaczko told the Senate Environment and Natural Resources Committee that measures to protect both U.S. reactor operations and the spent fuel pools have been taken on a case - by - case basis for each U.S. reactor since the Sept. 11, 2001, attacks.
An architecture student laid out the floor plans for a home with an area dedicated to growing algae to fuel an in - house energy - producing biomass reactor.
Sam Bell, played by Sam Rockwell, toils alone in a stark - white base, working as a glorified handyman for Lunar Industries, an ominously glossy corporation that extracts helium - 3 from the lunar surface to fuel fusion reactors back on Earth.
Moreover, the authors suggest that states that provide subsidies to uneconomical nuclear reactors within their borders could also play a constructive role by making those subsidies available only for plants that agreed to carry out expedited transfer of spent fuel.
The problem of spent fuel storage Nuclear reactor operators must store spent fuel removed from reactor cores for several years at least, in large pools at reactor sites until the remaining heat from the uranium fuel cools sufficiently.
The reactor is designed to run for 40 years or more without refueling as it steadily consumes most of its original fuel supply.
It notes that a storage facility that could hold spent fuel for several decades while it cools could free up space in reactors» pools, lowering the risk of overheating, loss of coolant, and fires.
Thermal fluids are used to alleviate wear on components and tools and for machining operations like stamping and drilling, medical therapy and diagnosis, biopharmaceuticals, air conditioning, fuel cells, power transmission systems, solar cells, micro - and nanoelectronic mechanical systems and cooling systems for everything from engines to nuclear reactors.
Other issues for a power reactor will be developing a reaction chamber that can withstand intense neutron bombardment for years on end and discovering a way to produce the fuel capsules quickly and cheaply (a reactor may consume a million or more capsules every day).
But finding enough fuel for existing and new reactors may prove a challenge, as will preventing the health and environmental impacts that have plagued uranium mining.
As of 10 P.M. local time on Thursday, the JAIF listed the following status of the six Fukushima Daiichi reactors: • Buildings around reactor Nos. 1, 3 and 4 were «severely damaged»; the building housing reactor No. 2 was «slightly damaged»; • Cooling was not working for reactor Nos. 1, or 3; • Water levels were covering more than half of the fuel in reactor No. 2; reactor Nos. 1 and 3 water levels were covering only about half of the fuel.
China has or is building heavy - water reactors from Canada, «evolutionary» pressurized - water reactors from France, pebble - bed reactors tested in South Africa, and even is working on reactors that would use molten salt for cooling and thorium for fuel.
In addition to trading greenhouse gases, Evolution helps broker deals for biofuels, natural gas, the uranium fuel for nuclear reactors, renewable energy credits, air pollution permits for sulfur dioxide and nitrogen oxides, even insurance against bad weather.
With 436 reactors worldwide consuming 65,000 metric tons (one metric ton equals 1.1 U.S. tons) of enriched uranium per year, demand for this nuclear reactor fuel outstrips available supply, which has caused uranium prices to jump from a low of $ 10 per pound a few years ago to more than $ 130 per pound in 2007 and still more than $ 50 per pound today.
The Japanese plant has endured partial meltdowns in at least three of its six reactors, as well as two of its seven pools for storing spent fuel.
• Structural integrity of the spent fuel pools was unknown for reactor Nos. 1 and 2; • Reactor Nos. 3 and 4 had low water levels; pool temperature was continuing to rise for reactor Nos. 5 and 6.
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