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Title: METHOD OF OPERATING NUCLEAR REACTORS

Abstract

A method is presented for obtaining enhanced utilization of natural uranium in heavy water moderated nuclear reactors by charging the reactor with an equal number of fuel elements formed of natural uranium and of fuel elements formed of uranium depleted in U/sup 235/ to the extent that the combination will just support a chain reaction. The reactor is operated until the rate of burnup of plutonium equals its rate of production, the fuel elements are processed to recover plutonium, the depleted uranium is discarded, and the remaining uranium is formed into fuel elements. These fuel elements are charged into a reactor along with an equal number of fuel elements formed of uranium depleted in U/sup 235/ to the extent that the combination will just support a chain reaction, and reuse of the uranium is continued as aforesaid until it wlll no longer support a chain reaction when combined with an equal quantity of natural uranium.

Inventors:
Issue Date:
Research Org.:
Originating Research Org. not identified
OSTI Identifier:
4296373
Patent Number(s):
2856337
Assignee:
U.S. Atomic Energy Commission DTIE; NSA-13-008363
NSA Number:
NSA-13-008363
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-59
Country of Publication:
United States
Language:
English
Subject:
PATENTS; BURNUP; FUEL ELEMENTS; HEAVY WATER; HEAVY WATER MODERATOR; MODERATORS; NUCLEAR REACTIONS; OPERATION; PLUTONIUM; PRODUCTION; QUANTITY RATIO; REACTOR FUELING; REACTORS; RECOVERY; REPROCESSING; RESIDUES; STABILITY; URANIUM; URANIUM 235

Citation Formats

Untermyer, S. METHOD OF OPERATING NUCLEAR REACTORS. United States: N. p., 1958. Web.
Untermyer, S. METHOD OF OPERATING NUCLEAR REACTORS. United States.
Untermyer, S. Tue . "METHOD OF OPERATING NUCLEAR REACTORS". United States.
@article{osti_4296373,
title = {METHOD OF OPERATING NUCLEAR REACTORS},
author = {Untermyer, S.},
abstractNote = {A method is presented for obtaining enhanced utilization of natural uranium in heavy water moderated nuclear reactors by charging the reactor with an equal number of fuel elements formed of natural uranium and of fuel elements formed of uranium depleted in U/sup 235/ to the extent that the combination will just support a chain reaction. The reactor is operated until the rate of burnup of plutonium equals its rate of production, the fuel elements are processed to recover plutonium, the depleted uranium is discarded, and the remaining uranium is formed into fuel elements. These fuel elements are charged into a reactor along with an equal number of fuel elements formed of uranium depleted in U/sup 235/ to the extent that the combination will just support a chain reaction, and reuse of the uranium is continued as aforesaid until it wlll no longer support a chain reaction when combined with an equal quantity of natural uranium.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1958},
month = {10}
}