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Nuclear: The slow death of fast reactors | RenewEconomy

Nuclear: The slow death of fast reactors | RenewEconomy

Oct 05, 2016 · Generation IV 'fast breeder' reactors have long been promoted by nuclear enthusiasts, writes Jim Green, but Japan's decision to abandon the Monju fast reactor is another nail in the coffin .

Integral Fast Reactor : definition of Integral Fast .

Integral Fast Reactor : definition of Integral Fast .

The goals of the IFR project were to increase the efficiency of uranium usage by breeding plutonium and eliminating the need for transuranic isotopes ever to leave the site. The reactor was an unmoderated design running on fast neutrons, designed to allow any transuranic isotope to be consumed (and in some cases used as fuel).. Compared to current light-water reactors with a once-through fuel .

Nuclear Reactor Concepts - an overview | ScienceDirect Topics

Nuclear Reactor Concepts - an overview | ScienceDirect Topics

sCO 2 compatibility was investigated at the Idaho National Laboratory (INL) as a small part of an effort to improve the efficiency and lower the cost of advanced (i.e., Generation IV) nuclear reactor concepts, such as replacing helium for the secondary power conversion for gas-cooled reactors (e.g., Oh et al., 2004, 2006).The primary material investigated was oxide .

International Conference on Fast Reactors and Related Fuel .

International Conference on Fast Reactors and Related Fuel .

Lead-cooled fast reactors are promising direction in the development of nuclear energy because of opportunities to ensure their safety and security. Efforts are underway to develop lead-cooled fast reactors BREST-OD-300 and BREST-1200 in Russia. Nitride fuel is expected to use at the core of these reactors.

Fast Neutron Reactors | FBR - World Nuclear Association

Fast Neutron Reactors | FBR - World Nuclear Association

Then MYRRHA (as a lead-bismuth-cooled fast reactor – LFR) will be used for fuel research, for materials research for Generation IV reactors, and for the production of radioisotopes and doped silicon (an essential component of high-grade electronic circuits).

(PDF) Modular Lead-Bismuth Fast Reactors in Nuclear Power

(PDF) Modular Lead-Bismuth Fast Reactors in Nuclear Power

On the basis of the unique experience of operating reactors with heavy liquid metal coolant-eutectic lead-bismuth alloy in nuclear submarines, the concept of modular small fast reactors SVBR-100 .

Spent nuclear fuel

Spent nuclear fuel

Spent nuclear fuel, occasionally called used nuclear fuel, is nuclear fuel that has been irradiated in a nuclear reactor (usually at a nuclear power plant).It is no longer useful in sustaining a nuclear reaction in an ordinary thermal reactor and depending on its point along the nuclear fuel cycle, it may have considerably different isotopic constituents.

Advanced Nuclear Power Reactors | Generation III+ Nuclear .

Advanced Nuclear Power Reactors | Generation III+ Nuclear .

Light water reactors (Power reactors moderated and cooled by water) EPR. Areva NP (formerly Framatome ANP) developed a large (4590 MWt, typically 1750 MWe gross and 1630 MWe net) European pressurised water reactor (), which was accepted in mid-1995 as the new standard design for France and received French design approval in 2004.It is a four-loop design derived from the German .

Response to an Integral Fast Reactor (IFR) critique .

Response to an Integral Fast Reactor (IFR) critique .

Feb 25, 2009 · Indeed, even sodium-cooled fast reactors (a type of Advanced Liquid Metal Reactor, ALMR), the type an IFR facility would likely use, already exist (others include lead- or gas-cooled). Metallic alloy fuels (uranium-plutonium-zirconium), operating within a reactor, existed, in the Experimental Breeder Reactor II at the Argonne National Laboratory.

Lead-cooled fast reactor - Wikipedia

Lead-cooled fast reactor - Wikipedia

Oct 18, 2009 · PRISM (Power Reactor Innovative Small Module, sometimes S-PRISM from SuperPRISM) is a nuclear power plant design by GE Nuclear Energy (GEH).. The S-PRISM represents GEH's Generation IV reactor solution to closing the nuclear fuel cycle and is also part of its Advanced Recycling Center (ARC) proposition to U.S. Congress to deal with nuclear waste. S-PRISM .

Nuclear Heat and its use for Hydrogen production jan 2010 .

Nuclear Heat and its use for Hydrogen production jan 2010 .

ating ability possibly leading to a power surge. Lead-cooled Fast Reactor (LFR) Super Critical Water Cooled Reactor (SCWR) Description The LFR system is similar to the SFR, where lead or the eutectic, lead-bismuth replaces sodium. A major difference is that the melting point of lead is higher than sodium (327 °C vs 98 °C) while that of

Nuclear Heat and its use for Hydrogen production jan 2010 .

Nuclear Heat and its use for Hydrogen production jan 2010 .

ating ability possibly leading to a power surge. Lead-cooled Fast Reactor (LFR) Super Critical Water Cooled Reactor (SCWR) Description The LFR system is similar to the SFR, where lead or the eutectic, lead-bismuth replaces sodium. A major difference is that the melting point of lead is higher than sodium (327 °C vs 98 °C) while that of

Comparison of sodium and lead-cooled fast reactors .

Comparison of sodium and lead-cooled fast reactors .

Aug 01, 2006 · For the lead-cooled fast reactor (LFR), the thermal efficiency is assumed to be 42% corresponding to an improved supercritical steam cycle (Cinotti, 2004). Similarly, a supercritical Brayton CO 2 cycle is being considered for sodium-cooled fast reactors (SFR), increasing the thermal efficiency to 45% (Schulenberg et al., 2003).

Study on Reactor Vessel Air Cooling for Westinghouse Lead .

Study on Reactor Vessel Air Cooling for Westinghouse Lead .

The analysis of major reactor accidents has lead to a new philosophy on inherent safety of nuclear power plants. Fast power reactors with lead coolant have been conceptually designed over the last .

Generation IV Nuclear Reactors: WNA - World Nuclear .

Generation IV Nuclear Reactors: WNA - World Nuclear .

Generation IV Nuclear Reactor information paper, including the Generation IV Forum. Information from the World Nuclear Association, the global private-sector organization providing information on nuclear power, nuclear energy, and the use of nuclear energy in meeting the needs of .

Comparison of sodium and lead-cooled fast reactors .

Comparison of sodium and lead-cooled fast reactors .

Aug 01, 2006 · For the lead-cooled fast reactor (LFR), the thermal efficiency is assumed to be 42% corresponding to an improved supercritical steam cycle (Cinotti, 2004). Similarly, a supercritical Brayton CO 2 cycle is being considered for sodium-cooled fast reactors (SFR), increasing the thermal efficiency to 45% (Schulenberg et al., 2003).

List of small modular reactor designs - Wikipedia

List of small modular reactor designs - Wikipedia

The Stable salt reactor (SSR) is a nuclear reactor design proposed by Moltex Energy. It represents a breakthrough in molten salt reactor technology, with the potential to make nuclear power safer, cheaper and cleaner. The modular nature of the design, including reactor core and non-nuclear buildings, allows rapid deployment on a large scale.

Small, sealed, transportable, autonomous reactor .

Small, sealed, transportable, autonomous reactor .

Feb 22, 2019 · Reactor Overview. Small, sealed, transportable, autonomous reactor (SSTAR) is a proposed lead-cooled nuclear reactor being primarily researched and developed in the United States by Lawrence Livermore National Laboratory.It is designed as a fast breeder reactor that is passively safe.It has a self-contained fuel source of uranium-235 and uranium-238 which will be partly consumed by fast .

Fast breeder reactors - ScienceForSustainability

Fast breeder reactors - ScienceForSustainability

SEALER (Swedish Advanced Lead Reactor) is a lead-cooled reactor designed with the smallest possible core that can achieve criticality in a fast spectrum using 19.9% enriched uranium oxide (UOX) fuel. The rate of electricity production may vary between 3 to 10 MW, leading to a core-life between 10 and 30 full power years (at 90% availability).

The case for a near-term commercial demonstration of the .

The case for a near-term commercial demonstration of the .

Apr 01, 2015 · As such, the transition to fast reactors and a closed nuclear fuel cycle are both a technical advancement and a political enabler for nuclear power of all kinds. Of the other fast reactor systems besides the IFR/PRISM that are in the R&D phase in various countries today, it is important to weigh the pros and cons vis-à-vis IFRs.

Small modular reactor - Wikipedia

Small modular reactor - Wikipedia

Small modular reactors (SMRs) are a type of nuclear fission reactor which are smaller than conventional reactors. This allows them to be manufactured at a plant and brought to a site to be assembled. Modular reactors allow for less on-site construction, increased containment efficiency, and enhanced safety due to passive safety features. SMRs have been proposed as .

Generation IV reactor - Wikipedia

Generation IV reactor - Wikipedia

Generation IV reactors (Gen IV) are a set of nuclear reactor designs currently being researched for commercial applications by the Generation IV International Forum, with technology readiness levels varying between the level requiring a demonstration, to economical competitive implementation. They are motivated by a variety of goals including improved .

Study on Reactor Vessel Air Cooling for Westinghouse Lead .

Study on Reactor Vessel Air Cooling for Westinghouse Lead .

The analysis of major reactor accidents has lead to a new philosophy on inherent safety of nuclear power plants. Fast power reactors with lead coolant have been conceptually designed over the last .

Small Modular Reactor | Westinghouse Nuclear

Small Modular Reactor | Westinghouse Nuclear

The Westinghouse SMR is a >225 MWe integral pressurized water reactor with all primary components located inside the reactor vessel. It utilizes passive safety systems and proven components - realized in the industry-leading AP1000® reactor design - to achieve the highest level of safety and reduce the number of components required.

Lead-cooled fast reactor — Wikipedia Republished // WIKI 2

Lead-cooled fast reactor — Wikipedia Republished // WIKI 2

The lead-cooled fast reactor is a nuclear reactor design that features a fast neutron spectrum and molten lead or lead-bismuth eutectic coolant.Molten lead or lead-bismuth eutectic can be used as the primary coolant because lead and bismuth have low neutron absorption and relatively low melting points. Neutrons are slowed less by interaction with these heavy nuclei, (thus not .

Good reasons not to waste nuclear 'waste' – Mark Lynas

Good reasons not to waste nuclear 'waste' – Mark Lynas

Blees proposes a design called the 'Integral Fast Reactor' (IFR), originally developed at the Argonne National Laboratory in the United States, and very successful until the programme was cancelled in 1994 by President Clinton to appease anti-nuclear campaigners.

The Integral Fast Reactor (IFR) - Reactors designed/built .

The Integral Fast Reactor (IFR) - Reactors designed/built .

The Integral Fast Reactor (IFR) is a fast reactor system developed at Argonne National Laboratory in the decade 1984 to 1994. The IFR project developed the technology for a complete system; the reactor, the entire fuel cycle, and the waste management technologies were all included in the development program. The reactor concept had important features and characteristics that were completely .

Fast breeder reactors - ScienceForSustainability

Fast breeder reactors - ScienceForSustainability

SEALER (Swedish Advanced Lead Reactor) is a lead-cooled reactor designed with the smallest possible core that can achieve criticality in a fast spectrum using 19.9% enriched uranium oxide (UOX) fuel. The rate of electricity production may vary between 3 to 10 MW, leading to a core-life between 10 and 30 full power years (at 90% availability).

Generation IV nuclear reactors: Current status and future .

Generation IV nuclear reactors: Current status and future .

Oct 01, 2013 · 2.2. Sodium Fast Reactor. SFR is a fast reactor cooled by sodium (in liquid phase), is the most researched type of fast reactor. The main advantage of this technology is that the fast spectrum is able to convert fertile material in fissile, increasing the efficiency of usage of the nuclear fuel by about 50 times.

Molten salt reactor - Wikipedia

Molten salt reactor - Wikipedia

A molten salt reactor (MSR) is a class of nuclear fission reactor in which the primary nuclear reactor coolant and/or the fuel is a molten salt mixture. Key characteristics are operation at or close to atmospheric pressure, rather than the 75-150 times atmospheric pressure of typical light-water reactors (LWR), hence reducing the large, expensive containment structures used for LWRs and .