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Originally posted by BobAthome
Why dont they flood the "pool" rods and all, in Lead?, then encase entire containment pool in a lead coffin?
or too simple not high tech. enough,, like frreezingg the ground. Remember Radiation sickness also cause's mental instability, due too certain, newly formed particles, disrupting the Synaptic Proccess's. needed for correct "sound mind" judgement.
Originally posted by BobAthome
reply to post by happykat39
is it just me or does this sound like a discusion,we (?), had long ago,,at this point someone mentions the "newly improved radiation absorbant materials,,created in labs,,for just this purpose,,but hey science has come pretty far since Chernoble,, (R.I.P.)
But probably cost prohibative,, besides im sure the Unit 731 guys are having a blast.
Frantic efforts to contain radioactive leaks at the wrecked Fukushima Daiichi nuclear power plant have been dealt another blow after its operator said about 300 tonnes of highly contaminated water had seeped out of a storage tank at the site.
The leak is the worst such incident since the March 2011 meltdown and is separate from the contaminated water leaks, also of about 300 tonnes a day, reported recently.
Tokyo Electric Power Co (Tepco) said it did not know how the water leaked out or where it had leaked to, but it believed that the spillage had not flowed into the Pacific ocean.
Tepco's spokesman, Masayuki Ono, said the water had seeped into the ground after breaching a concrete and sandbag barrier around the tank. Workers were pumping out the puddle and removing the remaining water from the tank, he added. Despite efforts to contain the spillage, the leak is already the most severe since the crisis began.
There are also some facts that GE Hitachi Nuclear Energy can attempt to clarify, such as those concerning the Mark I containment system in use at the reactors in the Fukushima Daiichi Power Plant. The Mark I containment has a proven track record of safety and reliability for over 40 years and there are 32 BWR Mark I reactors operating as designed worldwide.
donald person • 2 years ago this is now academic. it seems certain that in the event of even a partial meltdown as indisputably happened at Fukushima Unit i on Mar 12 2011 - that the CRD stub tube penetration locations rapidly acted a fast conduit for molten fuel to spread w/o any hindrance to the containmnet floor. It is almost certain that rapid ablation of these penetrations accelerated the escape of core materials. Lesson: The real flaw in the BWR design was unfortunate assumption that no core melt could ever happen. Because when it does - bottom entry control starts to look really really BAD. Dear GE: You can erase this comment, suppress the details of this critical design weakness in the GE/Hitachi BWR reactor but you can't erase the facts as they will eventually come out elsewhere.
Willem Jan Oosterkamp
• 2 years ago...(snip)
A mixture of hydrogen and oxygen is formed by the splitting of water due to radiation during normal operation. Even after shutdown this mixture is produced. This mixture will collect in the emergency condenser and make this condenser inoperable. The composition of the mixture may well depend on the water chemistry of the reactor (Is hydrogen added?). As far as I know we did not perform a longterm functioning test of the emergency condensor at the Dodewaard BWR. I think with todays knowledge a vent line with filter and delay line should have been added. Once rapid oxidation of zircaloy cladding, grids and channels occurs producing pure hydrogen, then the emergency condenser will no longer work. Venting hydrogen into the reactor building is not a sound technical solution. I assume that the containment has failed, barring better information on the Fukushima plants.
Originally posted by Purplechive
Rad Release in the Air...Twice in One Week
And hadn't been any releases for months...
- Purple Chive
Originally posted by matadoor
Uh oh, look out now, China's pissed.
Fukushima nuclear leak: Chinese government 'shocked'
"China "hopes that the Japanese side can earnestly take effective steps to put an end to the negative impact of the after-effects of the Fukushima nuclear accident," the foreign ministry said in a statement."
Originally posted by this_is_who_we_are
For your information:
Tokyo Professor: Ground Beneath Fukushima Reactors Becoming Increasingly Unstable. “Potential Catastrophe Unfolding In Plain Sight”
Published: August 20th, 2013 at 1:49 pm ET
What keeps spent fuel from re-starting a nuclear chain reaction in the pool? Spent fuel pools are designed with appropriate space between fuel assemblies and neutron-absorbing plates attached to the storage rack between each fuel assembly. Under normal conditions, ...
The overall level of radiation that has been emitted by the Fukushima disaster also needs to be kept in perspective. According to Dr Ken Buesseler, senior scientist at the Woods Hole Oceanographic Institution, US, the release of the radioactive element caesium from Fukushima is between a 10th and a third of what was released from the accident in Chernobyl, and perhaps one fortieth of what was released by nuclear bomb testing globally in the 1950s and 1960s.
TEPCO nuclear chief to be stationed in Fukushima The operator of the Fukushima Daiichi nuclear plant says it will station its nuclear power chief near the facility to oversee its decommissioning process, particularly handling of radioactive water. Tokyo Electric Power Company revealed last month that contaminated groundwater at the plant is seeping into the sea. This week, it said more than 300 tons of wastewater had leaked from a storage tank there. On Wednesday, the utility said it will send Vice President Zengo Aizawa, who heads the firm's nuclear power division, to Fukushima Prefecture to take direct command of decommissioning efforts. It said the move is aimed at clarifying the chain of command and facilitating information sharing among TEPCO officials in charge. In a news conference on Wednesday, Aizawa apologized for the utility's continuing to cause so much trouble and concern nearly 2 and a half years after the accident at the plant. He said he will tackle the water leaks as an issue of the highest priority. Aug. 21, 2013 - Updated 10:54 UTC