nuclear-news

13.5 tons of water hourly in effort to cool Fukushima nuclear reactor No. 2

Boric acid to prevent recriticality, Japan Times,8 Feb 12,  Reactor No. 2 heats up, gets more water Kyodo Workers at the Fukushima No. 1 nuclear plant increased the amount of water injected into reactor 2 on Tuesday to the highest level since the plant achieved cold shutdown in December as concerns grew over rising temperatures at the bottom of the pressure vessel….

Tepco said it increased the amount of injected water, some of which contained boric acid, at 4:24 a.m. Tuesday. Reactor 2 is now being cooled with 13.5 tons of water per hour, up from 10.5 tons. The boric acid is being used to prevent a sustained nuclear chain reaction, or recriticality.

Nuclear disaster minister Goshi Hosono told reporters that Tepco is
making every effort to lower the temperature…. http://www.japantimes.co.jp/text/nn20120207x1.html

February 8, 2012 - Posted by Christina Macpherson | Japan, safety, water