TEPCO will hold an ad hoc press conference at 11AM, April 5, 2012.
Information from Jiji Tsushin (4/5/2012):
Waste water after the treatment by the desalination apparatus (reverse osmosis) was found leaking.
Part of the water may have flowed into the ocean via the drain.
At 1:05AM on April 5, a sudden increase of water from the desalination apparatus to the waste water tank was noted, and the apparatus was manually shut down 5 minutes later.
- A TEPCO worker found the waste water leaking from the pipe at 1:50AM.
- 30 minutes later, the leak stopped.
- The water probably contains a large amount of beta nuclides including strontium-90. The analysis of the water is being conducted.
I'll add if I hear anything else in the press conference.
================================
TEPCO press conference, 11AM 4/5/2012:
12 tonnes of the waste water (with large concentration of beta nuclides) may have leaked into the ocean.
Kanaflex hose decoupled.
What Jiji reported was about TEPCO's last attempt (total 3) to restart the system. The system first stopped one hour earlier.
Coincidence: SARRY (cesium absorption tower by Toshiba) stopped at 1:05AM.
Timeline:
0:00AM The desalination apparatus (reverse osmosis) started operation, the waste water being transported from the apparatus to the storage tank at 50 cubic meters/hour.
0:06AM The flow rate suddenly jumped to 70 cubic meters/hour. This must have been when the Kanaflex hose decoupled, but TEPCO didn't realize.
0:13AM The system automatically shut down.
Between 0:50 to 1:10 TEPCO attempted to re-start manually, three times. Each time, the system shut down automatically. Total operating time 10 minutes.
So, 70 cubic meters/hour x 1/6 = 11.67
TEPCO thinks most of the water went down the drain, and into the ocean.
Nuclide analysis is being done at Fukushima II Nuke Plant.
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8 comments:
Thanks for your work!
thanks for sharing this information, it increase my knowledge and I really appropriate it.
Water leak detection systems
Should have standard piping after a year in
this extreme hazardous area.
Still have not heard how 140 gallons of radioactive water in 7 separate containers
could have been dumped on desks 20km away.
Dear oh dear, the number of leaks that went into the sea is well beyond a joke now.
They think most of the water went down the drain into the ocean.
That brings to mind their 3/28 pictures you posted of the newly sandbagged and reinforced ditch.
It might be useful to know where that runoff is going. A drain?
The definitions of accidental and intentional, on occasion, seem interchangeable.
I am still kind of worried bout the water that is being pumped into number 2 and not staying there. Is it a baseless rumour that it's draining out of the basement into the subsoil and thence to the ocean?
@misitu, yes it is still a baseless rumor stage.
Radioactive water leakage in japan again i am just worried about the effect of the radiations. Its so bad news for the people of japan.You have shared a useful information.
Water Leak Repair
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