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 reacti
For example, Vogt says that the General Fusion
reactor must run on a constant stream of tritium, the
fuel for the fusion reacti
for 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.