nuclear engineering opportunities diablo canyon nuclear power plant
TRANSCRIPT
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NUCLEAR ENGINEERING OPPORTUNITIES
Diablo Canyon Nuclear Power Plant
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James T. (Tom) Voss, NRRPT, CHP
Fellow of the Health Physics Society
PO Box 1362
Los Alamos, NM 87544
505-920-1470
WWW.VOSS-ASSOCIATES.COM
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Where are the Opportunitiesin Nuclear Engineering
• Current Nuclear Power Reactors• Current Research and Test Reactors• New Nuclear Power Reactors• Applications for License Renewals• Applications Currently Under Review• Small Transportable Nuclear Reactors• Resurgence in Uranium Mining
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Where are the Opportunitiesin Nuclear Engineering
• Uranium Fuel Fabrication• Thorium as a Reactor Fuel• Nuclear Fuel Reprocessing• Need for Remote Real-time Monitoring of
Nuclear Facilities and Nuclear Materials Transport Vehicles• Training
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Current Nuclear Power Reactors
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Current Research and Test Reactors
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New Nuclear Power Reactors
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Applications for License Renewal
Calvert Cliffs, Units 1 and 2Oconee Nuclear Station, Units 1, 2 and 3Arkansas Nuclear One, Unit 1Edwin I. Hatch Nuclear Plant, Units 1 and 2 Turkey Point Nuclear Plant, Units 3 and 4North Anna, Units 1 and 2, and Surry, Units 1 and 2Peach Bottom, Units 2 and 3St. Lucie, Units 1 and 2Fort Calhoun Station, Unit 1McGuire, Units 1 and 2, and Catawba, Units 1 and 2H.B. Robinson Nuclear Plant, Unit 2
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Applications for License Renewal
R.E. Ginna Nuclear Power Plant, Unit 1V.C. Summer Nuclear Station, Unit 1 Dresden, Units 2 and 3, and Quad Cities, Units 1 & 2Farley, Units 1 and 2Arkansas Nuclear One, Unit 2D.C. Cook, Units 1 and 2Millstone, Units 2 and 3Point Beach, Units 1 and 2Browns Ferry, Units 1, 2, and 3Brunswick, Units 1 and 2Nine Mile Point, Units 1 and 2
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Applications for License Renewal
MonticelloPalisadesJames A. FitzPatrickWolf Creek, Unit 1Harris, Unit 1Oyster CreekVogtle, Units 1 and 2Three Mile Island, Unit 1Beaver Valley, Units 1 and 2Susquehanna, Units 1 and 2
59 APPLICATIONS FOR LICENSE RENEWAL HAVE BEEN ACCEPTED
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Applications Currently Under Review
Pilgrim 1, Unit 1Vermont YankeeIndian Point, Units 2 and 3Prairie Island, Units 1 and 2Kewaunee Power StationCooper Nuclear StationDuane Arnold Energy Center
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Applications Currently Under Review
Palo Verde, Units 1, 2, and 3Crystal River, Unit 3Hope CreekSalem, Units 1 and 2Diablo Canyon, Units 1 and 2Columbia Generating Station
19 APPLICATIONS FOR LICENSE RENEWAL ARE UNDER REVIEW
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Security Requirements for
Nuclear Research and Test Reactors • Security• All research and test reactors are designed and
operated so that material is not easily handled or dispersed, thus protecting against potential radiological exposure or theft of material. These reactors have a limited amount of radioactive material on site and therefore pose a low risk from radiation and the theft of nuclear material. The NRC inspects the reactor’s security and emergency plans, as well as its operations and design to ensure protection of public health and safety.
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• Security requirements are based on a graded approach with increasing requirements for material that is more attractive for theft or diversion and for facilities that have larger inventories of radiological material.
• Prior to September 11, 2001, all reactors had security plans or procedures and emergency plans as required by NRC regulations. Following the terrorist attacks on 9/11, the NRC advised licensees to consider taking additional security measures. Later NRC imposed additional security measures on research and test reactors by Confirmatory Action Letter.
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While the specifics of these measures are not publicly available for security reasons, in general, they include:
• enhancements in screening of personnel; • systems for controlling access to the facility;• observation of activities within the facilities;• alarms or other devices to detect unauthorized
presence;• operability of communication systems;• vehicle and package searches; and • heightened coordination with appropriate local,
State, and Federal resources liaisons with the FAA and law enforcement authorities to report unusual overflights or potential threats.
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Small Transportable Nuclear Power Reactors
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What is in the future for these power reactors ?
It seem unlikely the NRC will grant operating licenses for these types of nuclear power reactors.
It seems unlikely the final cost for these types of nuclear power reactors could equal that of the new commercial nuclear power reactors.
Small Transportable Nuclear Power Reactors
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Resurgence in Uranium Mining
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World Uranium Production
Tons of Uranium2007 2008
Canada 9476 9000Kazakhstan 6637 8521Australia 8611 8430Namibia 2879 4366Russia 3413 3521Niger 3153 3032Uzbekistan 2320 2338USA 1654 1430 World total 41,282 43,853
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United States Uranium Production
Tons of Uranium
2007 2008 USA 1654 1430 World total 41,282 43,853
US Uranium Current Production is PrimarilyFrom 4 Mines.
90% of US Uranium Mining is In-Situ.
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Uranium Mines in Canada
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Uranium Mines in Australia
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Worker, Public, and Environmental Protection for Uranium Mining
• Controlled Ventilation
• Radon and Airborne Uranium Monitoring
• Portable and Personal Continuous Air Monitors
• In-Situ Mining
• Open Pit Mining
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Worker Protection for Uranium Mining
Controlled Ventilation
• Air volume turnover rates should be > 7 per hour
• Ventilation velocities should be < 0.1 m/sec
• But, underground temperatures might call for a higher ventilation rate to keep the miners cool
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Worker Protection for Uranium Mining
Radon and Airborne Uranium Monitoring
• Routine area radon and uranium monitoring with sophisticated instruments
• Radon monitoring before opening a new area to workers
• Personal radon and uranium monitors for workers
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Worker Protection for Uranium Mining
Radon and Airborne Uranium Monitoring
WWW.BLADEWERX.COM
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Public and Environmental Protectionfor Uranium Mining
Airborne Uranium Continuous Air Monitors
WWW.BLADEWERX.COM
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Public and Environmental Protectionfor Uranium Mining
In-Situ Mining
In-Situ mining leaches the uranium ore from the underground deposit and greatly reduces the volume of above ground waste.
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Public and Environmental Protectionfor Uranium Mining
Open Pit Mining
• Reduces the risk to the workers by providing better ventilation and reduces other risks in underground mining
• Exposes more rock dust and uranium ore that could increase the spread of those into the environment
• Australia’s Olympic Dam mine is converting to an open pit operation
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Public and Environmental Protectionfor Uranium Mining
Closing and covering an open pit mine at the end of its useful life could provide the best permanent solution for protecting the public and the environment.
In-Situ mining could also minimize the mine’s affect on the public and the environment.
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Uranium Fuel Cycle Facilities
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Uranium Fuel Cycle Facilities
• Better Ventilation
• Radiation Monitoring
• Airborne Radioactivity Monitoring
• Criticality Monitoring
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Uranium Fuel Cycle Facilities
Uranium Hexafluoride Production Honeywell International, Inc. Metropolis, IL
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Uranium Fuel Cycle Facilities
Gas Centrifuge Uranium Enrichment
Areva Enrichment Services Idaho Falls, ID(under review)
Louisiana Energy Services Eunice, NM(in construction)
U.S. Enrichment Corporation Piketon, OH(in construction)
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Uranium Fuel Cycle Facilities
Gaseous Diffusion Uranium Enrichment
U.S. Enrichment Corporation Paducah, KY
U.S. Enrichment Corporation Piketon, OH (cold standby)
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Uranium Fuel Cycle Facilities
Laser Separation Uranium Enrichment
GE-Hitachi Wilmington, NC (under review)
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Uranium Fuel Cycle Facilities Uranium Fuel Fabrication
AREVA NP, Inc. Lynchburg, VA
AREVA NP, Inc. Richland, WA
B&W Nuclear Operations Group Lynchburg, VA
Global Nuclear Fuel-Americas, LLC Wilmington, NC
Nuclear Fuel Services Erwin, TN (license renewal application submitted)
Westinghouse Electric Company, LLC Columbia, SC
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Uranium Fuel Cycle Facilities
Mixed-Oxide Fuel Fabrication
Shaw AREVA MOX Services , LLC Aiken, SC (in construction/under licensing review)
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Nuclear Fuel Reprocessing
• Better Ventilation
• Radiation Monitoring
• Airborne Radioactivity Monitoring
• Criticality Monitoring
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Benefits of Nuclear Fuel Reprocessing
• Separation of LLW and High Level Wastes
• Reduction of High Level Wastes by Recycling
• Production of Useable Isotopes for RTGs, Gamma Irradiators, Gauges, Etc.
• Reduction of LLW
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Thorium as a Nuclear FuelWorld Supplies in Tons
Australia 340,000 India 300,000 United States 300,000 Norway 180,000 Canada 100,000 South Africa 39,000 Brazil 18,000 Malaysia 4,500 Other Countries 100,000World Total 1,400,000
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Benefits of Thorium as a Nuclear Fuel
• Greater Abundance than Uranium
• Production of Thorium Fuel Does Not Require Isotopic Separation
• Use of Thorium Fuel Produces Much Less Long-Lived Transuranics Than Uranium Fuel
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Need For Remote Real-Time Radiological Monitoring of Nuclear Facilities and Nuclear
Transport Vehicles
• Notification of an Unplanned Release
• Identification and Quantification of Unplanned Releases
• Tracking of Unplanned Releases to the Environment
• Prediction of the Path of Unplanned Releases
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Some Unplanned Releases from Nuclear Facilities
Three Mile Island - 1979Contributing Factors
• Facility Design
• Equipment Malfunction
• Operator Training
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Some Unplanned Releases from Nuclear Facilities
Chernobyl - 1986Contributing Factors
• Facility Design
• Equipment Malfunction
• Operator Training
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Some Unplanned Releases from Nuclear Facilities
Japan, Tokaimura - 1999Contributing Factors
• Facility Design
• Operator Training
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Some Unplanned Releases from Nuclear Facilities
Practices to Prevent and/orMitigate the Consequences
• Better Facility Designs
• Better Equipment Designs
• Better Operator Training
• Better Radiological Monitoring Inside and Outside the Facilities
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References
American Nuclear Society www.ans.orgHealth Physics Society www.hps.orgInstitute of Nuclear Power Operations
www.inpo.infoNuclear Energy Institute www.nei.org Nuclear Engineering International
www.neimagazine.comUS Department Of Energy www.doe.govUS Nuclear Regulatory Commission
www.nrc.org
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References
Areva www.areva.comBabcock and Wilcox www.babcock.comCanberra www.canberra.comGeneral Electric www.gepower.com/nuclear/Nuke Worker www.nukeworker.comUS Navy www.navy.comWestinghouse www.westinghousenuclear.com