NDLI: Actinide Transmuration Using A Spallation-generated Neutron Source

Content Provider	IEEE Xplore Digital Library
Author	Beard, C.A. Parish, T.A.
Copyright Year	1990
Description	Author affiliation: Texas A & M University (Beard, C.A.)
Abstract	A system was developed for the transmutation of actinides into shorter-lived isotopes using a spallation-generated neutron source. A 250 mA, 1.5 Gev proton linear accelerator was chosen as the reference accelerator. The target consisted of liquid lead which circulates to dissipate the heat released when the beam collides with the target and to allow for some energy recovery. The actinides are placed in ordinary PWR fuel rods are arranged into assemblies to form a heterogeneous lattice immersed in liquid lead. The spallation yield was calculated with a version of the code HETC, which utilizes the intra-miclear cascade model to predict neutron production and other spallation products as a result of extraneous particle bombardment. The code 05R was then used to spatially transport the neutrons and to determine the fission rate. It was determined that the system could transmute the actinides included in the study (Np-237 and Am-241) at approximately twenty times the rate that they are produced in a typical PWR reactor. Also, sufficient heat is released through fission that the system should be self-sufficient in power at realistic thermal conversion and accelerator efficiencies. However, in many problems exist for such a system including the facts that 1) the lead becomes highly radioactive due to the spallation products including the creation of the long-lived isotope Hg-194 (520 year half-life), 2) the transmutation process is highly localized around the point of impact of the protons with the lead, 3) a high degree of partitioning is required for transmutation of the actinides to be -efficient and partitioning increases the short-term radiological risk, and 4) the expense of the system might not be worth the health benefits gained.
Starting Page	557
Ending Page	560
File Size	233831
Page Count	4
File Format	PDF
ISBN	0816904901
DOI	10.1109/IECEC.1990.748010
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-08-12
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Neutrons Lattices Isotopes Linear accelerators Proton accelerators Assembly Nuclear fuels Predictive models Particle production Inductors
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

THE SPALLATION NEUTRON SOURCE PROJECT - PHYSICAL CHALLENGES.

The commissioning plan for the Spallation Neutron Source ring and transport lines

BEAM DUMP WINDOW DESIGN FOR THE SPALLATION NEUTRON SOURCE.

Design Optimization and the path towards a 2 MW Spallation Neutron Source

Supporting technologies for a long-pulse spallation source

Linac-driven spallation-neutron source

CHINA SPALLATION NEUTRON SOURCE DESIGN.

Transmutation and energy production with high power accelerators

Beam dump window design for the Spallation Neutron Source

Actinide Transmuration Using A Spallation-generated Neutron Source

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