[ RadSafe ] Graphite moderated reactors

Franta, Jaroslav frantaj at aecl.ca
Mon Nov 14 09:30:22 CST 2005

Not really -- the fueling machines work only very slowly :  they are
designed to facilitate efficient reactor operation, not weapons plutonium
production. A fueling machine replaces 110 fuel bundles per week - a pair of
bundles in 2½ hrs. There is a total of 4,560 fuel bundles in a CANDU 6
reactor (380 pressure tubes, with 12 fuel bundles per tube).
See also http://www.nuclearfaq.ca/cnf_sectionA.htm#e2

In the case of the PRMR, while it features on-line refueling, the fuel form
is very expensive -- there are far cheaper ways of accomplishing


-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl]On
Behalf Of Bernard Cohen
Sent: Monday November 14, 2005 10:05 AM
To: Khalid Aleissa
Cc: radsafe at radlab.nl; radsafe-bounces at radlab.nl
Subject: Re: [ RadSafe ] Graphite moderated reactors

Khalid Aleissa wrote, recommending CANDU as the best all purpose reactor 
because of several factors including::

> - On-line fueling

    ---Doesn't this present a proliferation threat? This makes it 
practical to reprocess fuel after ~30 days in the reactor to produce 
bomb grade plutonium.


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