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[bbc] Probe finds high radiation in damaged Fukushima reactor - Page 5

post #41 of 160
Quote:
Originally Posted by drbaltazar View Post

ok!i dont know about you guys!but me i drink the water!and i sure wouldnt like a nuclear reactor (radiation anybody)to be cooled with the water i plan to fish and drink!windmill might not look nice but it is a relativly clean energy source in the long term ,same for hydro electric like china adopted!there are hydro power that use the wave of the ocean to generate power ,sun!etc etc etc!most might not like this :but we WILL need to start to live like elves of native american were living in the past, or find a fair midway cause the way we re going ?we re doing exactly like in terra nova(the serie)

This is a bit of a common misconception.

The irradiated water is not actually dumped back into the environment. The water in the reactors is a closed system, similar to how salt water boats cool their engines.
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post #42 of 160
Quote:
Originally Posted by drbaltazar View Post

ok!i dont know about you guys!but me i drink the water!and i sure wouldnt like a nuclear reactor (radiation anybody)to be cooled with the water i plan to fish and drink!windmill might not look nice but it is a relativly clean energy source in the long term ,same for hydro electric like china adopted!there are hydro power that use the wave of the ocean to generate power ,sun!etc etc etc!most might not like this :but we WILL need to start to live like elves of native american were living in the past, or find a fair midway cause the way we re going ?we re doing exactly like in terra nova(the serie)

The water used to cool a nuclear reactor is not put back into the eco-system. Why would you assume that it was? EDIT: Not any radioactive water at least.

There are a lot of assumptions being made by people in this thread, such as:
1.) Nuclear material cooled by water releases that water back into the eco-system.
2.) All nuclear plants are susceptible to meltdown.

Please people, read up on how this stuff works before making decisions about it, it's crap like this that keeps new plants from being built.
Edited by lordikon - 3/28/12 at 1:21pm
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post #43 of 160
No problem, the Yakuza has plenty of "volunteers" to clean that puppy up. thumb.gif
Edited by Tiger S. - 3/28/12 at 1:17pm
post #44 of 160
Of course water used in cooling reactors goes back into the ecosystem. Lots and lots of warm/hot water. Nothing radioactive, though, except during disasters. I'm kind of surprised you'd say otherwise lordikon. It's a pretty common (if usually unimportant) issue for plants taking water from relatively small streams & lakes.

Still, in a lot of areas it reduces the effectiveness of existing nuclear plants by forcing slowdowns during heat waves.
Edited by MisterFred - 3/28/12 at 1:20pm
    
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post #45 of 160
Quote:
Originally Posted by SectorNine50 View Post

That's how tsunami's work. You get an earthquake, and then a giant wave.
If they had a proper contingency plan for a tsunami, it probably should have incorporated an earthquake. Plus, the plant survived the earthquake quite well, the wave was what caused the issues.

The earthquake did the real damage to cause the disaster. It caused the flood protection wall to fall in height by 1m. At its original height it would have been fine.
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post #46 of 160
Quote:
Originally Posted by lordikon View Post

The water used to cool a nuclear reactor is not put back into the eco-system. Why would you assume that it was?
There are a lot of assumptions being made by people in this thread, such as:
1.) Nuclear material cooled by water releases that water back into the eco-system.
2.) All nuclear plants are susceptible to meltdown.
Please people, read up on how this stuff works before making decisions about it, it's crap like this that keeps new plants from being built.

go tell that to the japanese,who saw the radioactive steam released in the air,tell them why their water supply was corrupted with radio active water!
and all along lobbist have been saying nuclear is safe blablabla!tchernobil!i mean come on !nuclear isnt a proper energy source for the futur!
post #47 of 160
Quote:
Originally Posted by MisterFred View Post

Of course water used in cooling reactors goes back into the ecosystem. Lots and lots of warm/hot water. Nothing radioactive, though, except during disasters. I'm kind of surprised you'd say otherwise lordikon. It's a pretty common (if unimportant) issue for plants taking water from relatively small streams & lakes.

Sorry, no water with radioactivity is recycled back into the eco-system, except during something like what happened at Fukushima.
Quote:
Originally Posted by drbaltazar View Post

go tell that to the japanese,who saw the radioactive steam released in the air,tell them why their water supply was corrupted with radio active water!
and all along lobbist have been saying nuclear is safe blablabla!tchernobil!i mean come on !nuclear isnt a proper energy source for the futur!

Sure, and where do you think coal goes from a coal burning power plant? The difference is that Nuclear plants only pollute during disasters, of which I can count on one hand, (or technically during storage of waste off-site), whereas other power plants are almost constantly polluting in some way.

I don't know how much more clear I can be then I was in my first post on this thread: Nuclear power kills fewer people than other sources, like coal. Unless you have a better idea on where we can get enough power for 10 billion people soon, then we should be considering nuclear power.
Edited by lordikon - 3/28/12 at 1:27pm
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post #48 of 160
Quote:
Originally Posted by Asce View Post

The earthquake did the real damage to cause the disaster. It caused the flood protection wall to fall in height by 1m. At its original height it would have been fine.

Not sure where you heard that, but that's inaccurate. The plant was pretty much directly hit by the tsunami.
Quote:
The earthquake was followed by a 13–15 m (43–49 ft) maximum height tsunami arriving approximately 50 minutes later which topped the plant's 5.7 m (19 ft) seawall,[71][72][73] flooding the basement of the Turbine Buildings and disabling the emergency diesel generators[74][75] located there[70] at approximately 15:41.[68][76] At this point, TEPCO notified authorities, as required by law, of a "First level emergency".

And from the same source:
Quote:
NISA ordered TEPCO to send the manuals without any redaction, as the law orders. 200 pages were released from the accident procedural manuals used for Fukushima Daiichi nuclear power plant. All their contents were published, only the names of individuals were left out.

From these documents could be concluded:

TEPCO did not make sufficient preparations to cope with critical nuclear accidents.
After the batteries and power supply boards were inundated on 11 March, almost all electricity sources were lost
TEPCO did not envision such a power failure or any kind of prolonged power loss.
TEPCO thought that in a serious incident, venting pressure in the reactor containment vessels or carrying out other safety procedures would still be possible, because emergency power sources would still be available.

Very good reading for those interested:
http://en.wikipedia.org/wiki/Fukushima_Daiichi_nuclear_disaster
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post #49 of 160
No reason to be sorry lordikon, you just repeated what I said. Lots of non-radioactive water is taken in to plants and re-released at a higher temperature, however.
    
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post #50 of 160
Quote:
Originally Posted by drbaltazar View Post

go tell that to the japanese,who saw the radioactive steam released in the air,tell them why their water supply was corrupted with radio active water!
and all along lobbist have been saying nuclear is safe blablabla!tchernobil!i mean come on !nuclear isnt a proper energy source for the futur!

Dont forget the fisheries and seafood mecca they had. Nuclear is safe and monitored by some very smart people. Just not when built on an unstable tectonic plate in ring of fire.
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