Comment Re:Thorium Molten Salt *is* the solution (Score 1) 334
LFTR = LIQUID Flouride Thorium Reactor
LFTR = LIQUID Flouride Thorium Reactor
Nope, but I have to ask, have you ever been convicted of pedophelia?
"Thorium is not any "safer" than Uranium. I have to say that proliferation risk is not a risk anymore - it's a political word. Any nation that can build a nuclear weapon can do so anyway via thorium. It is not that much more difficult to build a Pu-239 bomb than to build a U-233 bomb (from thorium). Also, a thorium reactor needs U-235 to prime it, so that point about proliferation is moot."
This is flat out wrong. The only nation ever to try to make a U233 bomb core was the US and it was a fizzle. It was a hugely expensive effort to refine that amount of U233 and with the inevitable U232 contamination issue, no nation ever would use a Th232-U233 cycle to make a bomb core. Look up that Thallium-208 gamma ray, it's nasty and messes with bomb core electronics. Plus it's shines like a movie premier beacon to anyone with detectors looking for fission weapons.
The U238-Pu239 path is known to work, the U235 enrichment path is very simple and known to work, and both paths have known science behind the data for their bomb core designs. None of which is true about the Th232-U233 path. It is much much more difficult to try and use a Th232-U233 path. So difficult that no nation has ever succeeded. Not saying it cannot be done, it's just that it's not worth the effort when two relatively mature paths to a bomb core are available and KNOWN to work.
Once again your ignorance is flapping around for all too see. I am embarrassed for you.
Ok granting the New Scientist is not peer reviewed (except by readers) I love how you ignored the second reference to the DoE Information Bridge and a real live "peer reviewed" paper that proved you are a fool back in 1985. Which was probably before you were even born judging by the immaturity of your statements here.
I have 30+ years experience in military and civilian nuclear power? What do you have?
You are a pathetic joke.
You are an FUD-idiot.
It is often incorrectly assumed that the combustion behavior of graphite is similar to that of charcoal and coal.
Numerous tests and calculations have shown that it is virtually impossible to burn high-purity, nuclear-grade graphites. Graphite has been heated to white-hot temperatures (~1650C) without incurring ignition or self-sustained combustion. After removing the heat source, the graphite cooled to room temperature. Unlike nuclear-grade graphite, charcoal and coal burn at rapid rates because:
* They contain high levels of impurities that catalyze the reaction.
* They are very porous, which provides a large internal surface area, resulting in more homogeneous oxidation.
* They generate volatile gases (e.g. methane), which react exothermically to increase temperatures.
* They form a porous ash, which allows oxygen to pass through, but reduces heat losses by conduction and radiation.
* They have lower thermal conductivity and specific heat than graphite.
In fact, because graphite is so resistant to oxidation, it has been identified as a fire extinguishing material for highly reactive metals.
The oxidation resistance and heat capacity of graphite serves to mitigate, not exacerbate, the radiological consequences of a hypothetical severe accident that allowed air into the reactor vessel. Similar conclusions were reached after detailed assessments of the Chernobyl event; graphite played little or no role in the progression or consequences of the accident. The red glow observed during the Chernobyl accident was the expected color of luminescence for graphite at 700C and not a large-scale graphite fire, as some have incorrectly assumed. The New Scientist published a discussion of the General Atomic claim in its November 4. 1989 edition. The New Scientist investigation pointed out that the graphite in the Windscale fire was inpure, while the relatively pure graphite at Chernobyl contributed little to the that fire's heat. General Atomics in the past offered a demonstration to skeptics who wanted further convincing of their "Graphite does not burn," claim. A block of graphite would be brought out and heated to a red hot temperature. Then oxygen would be blown over the red hot graphite which would not catch fire. The New Scientist did not entirely support the General Atomics Graphite does not burn claim, but the analysis came down on the side of a graphite does burn reluctantly, and is not very dangerous conclusion, pointing to Peter Kroeger's research for support.
Peter Kroeger of Brookhaven National Laboratory (http://www.osti.gov/bridge/product.biblio.jsp?query_id=0&page=0&osti_id=6131128&Row=1)used a compluter simulation to check on General Atomic's claim. He found that if openings developed at two opposite ends of a graphite reactor containment structure, air could flow through the core, and graphite structures would burn some, but not very much, and certainly not enough to release radioactive materials embedded in the graphite.
Air ingress into the primary loop requires prior depressurizatlon with significant subsequent air inflow. Scenarios that have been considered are, for Instance, a primary vessel leak such that during decay heat removal via a main loop or an auxiliary loop, significant amounts of gas can be exchanged between the primary loop and the RB, while the operating loop forces the re- sulting gas mixture through the core [34]. (It may be hard to conceive significant air ingress and combustible gas discharge from a single break; but only with such a large break or with several separate breaks and with simultaneous forced flow conditions can significant amounts of air be forced through the core.) Order of magnitude computations indicate that natural circulation can only result In about
Don't confuse Radiotoxicity with Radioactivity. They are not the same thing.
You sir are ignorant and opinionated about something you clearly know little about.
You fit in on
Norman Borlaug beat him to death with his dwarf wheat.
>
Except that there is:
http://www.energyfromthorium.com/pdf/
TWR is the Traveling Wave Reactor. A theoretical design. None have been built. http://en.wikipedia.org/wiki/Traveling_wave_reactor
Yes a different sort of high level waste.
The sort that is down to background radiation in 300-500 years as compared to 10,000 years.
I work at a real life central station baseloaded power plant that puts out 2250+ MW.
You sir, are an idiot.
You recall incorrectly. Only very high energy beta particles can penetrate the skin.
People will buy anything that's one to a customer.