Second Moscow International Nonproliferation Conference
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Second Moscow International Nonproliferation Conference PLUTONIUM UTILIZATION IN REACTOR FUEL A. Zrodnikov Director General State Scientific Center of the Russian Federation “ Institute for Physics and Power Engineering” September 18-20, 2003.

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Second Moscow International Nonproliferation ConferencePLUTONIUM UTILIZATIONIN REACTOR FUELA. ZrodnikovDirector General State Scientific Center of the Russian Federation“ Institute for Physics and Power Engineering”September 18-20, 2003


Russia s nuclear power at the threshold of the 21st century
RUSSIA’S NUCLEAR POWER AT THE THRESHOLD OF THE 21st CENTURY

  • Operating nuclear power plants

    • RBMK-1000 (11)

    • VVER- 440 (6)

    • VVER-1000 (7+1)

    • EGP-6 (4)

    • BN-600 (1)

  • Transport power systems

  • Research reactors

  • Nuclear fuel cycle infrastructure


Nuclear power strategy
NUCLEAR POWER STRATEGY CENTURY

  • Maintenance of safe and efficient functioning of operating NPPs and fuel infrastructure.

  • Progressive replacement of operating NPPs with 3-rd generation traditional power units, a moderate increase of generating capacity in the first quarter of the 21st century; expanding the export potential.

  • Development and introduction of innovative economically competitive reactor and nuclear fuel cycle technologies.


Large scale nuclear power for the 21st century
LARGE SCALE NUCLEAR POWER CENTURYFOR THE 21st CENTURY

  • Liquid-metal cooled fast reactors of inherent safety

  • Proliferation-resistant closed fuel cycle

  • Reduce the volume and long-term toxicity of nuclear wastes and radiation-balanced disposal of radwastes

  • Technological support for non-proliferation

  • Economic competitiveness


Small and medium reactors
SMALL AND MEDIUM REACTORS CENTURY

  • No on-site refueling and sophisticated nuclear infrastructure, long-lived core lasting 10…20 years

  • Completely sealed reactor, transportable to and from the site

  • 50 to 150 MWe class, fuel enrichment  20%

  • Simplified design, high level of passive safety

  • Cost comparable to the cost of competitive systems


Spent fuel management current status
SPENT FUEL MANAGEMENT: CENTURYCURRENT STATUS

  • Short - term storage in cooling ponds

  • Accumulation and interim “wet” storage for subsequent placement in long-term centralized “dry” storage

  • Radiochemical reprocessing with U and Pu separation followed by their involvement in the fuel cycle


General principles for the use of plutonium stocks
GENERAL PRINCIPLES FOR THE USE OF CENTURYPLUTONIUM STOCKS

  • Plutonium, as a nuclear material, has a unique energy potential, it is a national asset, and it can be put to maximum effective use under Russia’s national energy strategy

  • The ultimate strategic goal is to make full use of plutonium’s energy potential, with the waste converted to a state, that makes it unusable for subsequent weapons-production and ensures their secure ecological isolation

  • Once approved, plans for plutonium utilization must be implemented in a manner which ensures that it is stored, transported and handled in accordance with the highest national and international standards in terms of nuclear safety, ecology, physical protection, accounting and control


Plutonium contained in spent fuel
PLUTONIUM CONTAINED IN SPENT FUEL CENTURY

Totals for the country

As of December 31, 1999

  • Plutonium contained in spent

    fuel at civil reactor sites 47 000kg

  • Plutonium contained in spent

    fuel at reprocessing plants 4 000kg

  • Plutonium contained in spent

    fuel kept elsewhere 20 000kg


Civil unirradiated plutonium
CIVIL UNIRRADIATED PLUTONIUM CENTURY

As of December 31, 1999

  • Unirradiated separated plutonium in product

    storage facilities at reprocessing plants 30 900kg

  • Unirradiated separated plutonium in manufacturing

    or fabrication and the plutonium contained in

    unirradiated products at fuel fabrication or other

    plants or elsewhere -

  • Plutonium in unirradiated MOX fuel or other

    fabricated products at reactor sites or elsewhere 200kg

  • Unirradiated separated plutonium kept elsewhere 900kg

    The quantities of Pu withdrawn from the military sphere will be declared when placed in storage at PA “Mayak”


Ex weapons plutonium management concept
EX-WEAPONS PLUTONIUM CENTURYMANAGEMENT CONCEPT

  • Reliable and controllable interim storage

  • In-pile transformation, including MOX-forms, into spent fuel with subsequent utilization in the proliferation-resistant closed fuel cycle


History

HISTORY CENTURY

BR-5 (1959); BR-10;Obninsk

BOR-60 (1966);Dimitrovgrad

BN-350 (1972);Kazakhstan

BN-600 (1980);Urals

BN-800 (1992, design)


120 reactor years experience br 10 bor 60 bn 350 bn 600
120 CENTURYREACTOR/YEARS EXPERIENCE:BR-10, BOR-60, BN-350, BN-600

  • Major technological problems have been already solved

  • 5000 MOX fuel rods have been irradiated

  • Closed fuel cycle is realized for BOR-60

  • Pyrochemical technology and vibro-compacted MOX can significantly decrease cost and terms

  • Advanced design of BN-800 is available


Bn 600 nuclear power reactor
BN-600 NUCLEAR POWER REACTOR CENTURY

Electricity to the consumer

Transformer

Control rods

Steam generator

Generator

Turbine

Cooling water pond

Condenser

Circulation pump

Feedwater pump

Fuel

Main coolant pump of the secondary circuit

Main coolant pump of the primary circuit


Bn 800 reactor
BN-800 REACTOR CENTURY

1 - primary pump

2 - large rotating plug

3 - refueling mechanism

4 - small rotating plug

5 - central rotating column

with control and scram

system mechanism

6 - upper stationary shield

7 - reactor vessel

8 - guard vessel

9 - heat exchanger

10 - core


Bn 600 current status

BN-600: CURRENT STATUS CENTURY

Hybrid core as the first stage,

280 kg Pu/year

100% MOX fueled core,

1250 kg Pu/year

Some features of MOX fuel


Bn 600 current status cont

BN-600: CURRENT STATUS (cont CENTURY.)

Radiation characteristics of fuels

Neutron radiation rate, Gamma radiation rate,

Fuel n/s SA /s SA

fresh irrad. fresh irrad.

UO2 4.8 х 102 1.2 х 105 2.9 х 109 4.5 х 1014

MOX (wPu) 6.7 х 105 1.3 х 106 1.1 х 1012 5.2 х 1012


Scenarios of the ex weapon pu stock pile reduction in russia
SCENARIOS OF THE EX-WEAPON PU CENTURYSTOCK-PILE REDUCTION IN RUSSIA


Plutonium non proliferation issues
PLUTONIUM NON-PROLIFERATION ISSUES CENTURY

  • Storage and management

    • Reliable security measures

    • Safeguards and control

    • Minimum personnel with authorized access

    • Minimum handling operations

    • Minimum transportation

    • Minimum sites with plutonium handling

  • Conversion into spent fuel

    • Dilution in MOX fuel

    • Cladding and assembling

    • Irradiation in nuclear reactors


Plutonium non proliferation issues cont
PLUTONIUM NON-PROLIFERATION ISSUES (cont.) CENTURY

  • Unified models for non-proliferation analysis: ISTC project and bilateral collaboration

    • Is closed cycle potentially less protected to proliferation than open one?

    • How does BN-800 minimize the proliferation risk?

  • Development of an internationally

    recognized methodology for the

    quantitative assessment of the

    proliferation risk


Closed nuclear center concept
CLOSED NUCLEAR CENTER CONCEPT CENTURY

  • Russian specific features

    - rather large territory

    - many sparsely populated regions

  • MAYAK site in South Urals

    - RT-1 reprocessing plant, in operation now

    - 30 t of civil Pu are stored

  • Complex-300 MOX fuel fabrication plant

  • BN-800 fast reactor


Options for transportation and storage of mox fuel
OPTIONS FOR TRANSPORTATION CENTURYAND STORAGE OF MOX FUEL


International cooperation
INTERNATIONAL COOPERATION CENTURY

  • Russian - US cooperation

  • Russian - French - German Research Program

  • Russian - Canadian collaboration

  • Russian - Japanese cooperation


Conclusions
Conclusions CENTURY

  • The use of existing fast BN-600 reactor and, subsequently, fast BN-800 reactor (to be constructed) makes it possible to consume 50MT of weapons plutonium by the year 2020 and to reduce the cost of the Russian Ex-W Pu disposition Program.

  • Dual-use BN-800 reactor (Ex-W Pu utilization and the new electricity production) opens opportunities for potential investment options.

  • There are no proliferation concerns with the fast reactor technology at the stage of final disposal; elimination of the breeding zones in both BN-600 and BN-800 could be the first step to a more self-protected fast reactor technology.

  • Closed nuclear centers are the best way to ensure the non-proliferation of fissile materials, especially ex-weapons plutonium in Russia.


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