[ RadSafe ] MOX Fuel and latest Leuren Moretinjection intoFukushima

[francis tsang]

Thank you for the information.  How about MOX fuel LWRs? They are similar?

Just being curious...


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-----Original Message-----
From: "Bauman, Rodney L (84U)" <84U at bechteljacobs.org>
Sender: radsafe-bounces at health.phys.iit.edu
Date: Fri, 25 Mar 2011 12:01:39 
To: 'The International Radiation Protection (Health Physics) Mailing	List'<radsafe at health.phys.iit.edu>
Reply-To: "The International Radiation Protection \(Health Physics\) Mailing
	List" <radsafe at health.phys.iit.edu>
Subject: Re: [ RadSafe ] MOX Fuel and latest Leuren Moret
	injection	intoFukushima

I would doubt there are significant differences in the common commercial LWR designs currently in use, however it is fairly well known in the industry that by the end of an operating cycle, Pu fission is responsible for about one third of the total thermal energy output of the reactor.  In fact, well over half of the plutonium produced in the reactor during a typical operating cycle is "consumed" in situ.

Rodney Bauman

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Dr. Francis Y. Tsang
Sent: Friday, March 25, 2011 11:34 AM
To: 'The International Radiation Protection (Health Physics) MailingList'
Subject: Re: [ RadSafe ] MOX Fuel and latest Leuren Moret injection intoFukushima

Larry,

You mentioned a significant amount of energy in LWR is from the Pu fission.
Can you provide some values per reactor design?



-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Larry Addis
Sent: Friday, March 25, 2011 8:22 AM
To: 'The International Radiation Protection (Health Physics) Mailing List'
Subject: Re: [ RadSafe ] MOX Fuel and latest Leuren Moret injection intoFukushima

Engineering friends look somewhat confused when I explained LWR's don't just make plutonium in principle. A significant amount of energy produced by commercial LWR's actually does comes from plutonium fission. It's no accident, but by design as it were. 

LA

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of George Stanford
Sent: Friday, March 25, 2011 10:25 AM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] MOX Fuel and latest Leuren Moret injection into Fukushima


About 1.2% of spent fuel is plutonium anyway.  While MOX might double or triple that, there is no significant increase in hazard.  The hazard is in the fission products, which are the same either way.

-- George Stanford
Reactor physicist, retired

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`

At 04:54 AM 3/25/2011, Roger Helbig wrote:
How much plutonium is in MOX?   Does it present a significantly greater
hazard than the uranium dioxide in conventional nuclear fuel rods?  The anti-nuclear community is making a major issue about the unit with MOX in the spent fuel pool and now I believe that there are concerns with that reactor's containment integrity as well.  The anti-nukes make this sound like the reactor being more potentially deadly than Chernobyl.  Thanks.

Roger

PS - Leuren Moret has put an article into the Japan Times - if any of you have Japanese connections, please, make them aware of how much of a fraud that Moret is - she is an exceptional self-promoter, typical anything for a "buck" or in her case angling for a free plane ticket, hotel and food (and plenty of bottled water if she goes to Tokyo even though she is about 65 and clearly not pregnant or a nursing mother)

http://search.japantimes.co.jp/cgi-bin/fl20040523x2.html

Japan's deadly game of nuclear roulette
By LEUREN MORET
Special to The Japan Times


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