Dry ice ended up clogging the drain pipes, according to Tepco.
In order to freeze the unfreezable frozen wall, Tepco has been putting ice and dry ice into the underground trench. (cf, Tepco to increase ice volume to freeze frozen wall from 15t to 27t per day. [URL])
On 8/11/2014, Tepco announced the dry ice (1 t) clogged the drain pipes accidentally on 8/7/2014 and they stopped putting additional dry ice.
They have also put 222 t of ice but the “frozen” wall is not frozen yet.Iori Mochizuki You read this now because we’ve been surviving until today.
The post Drain pipes got clogged due to dry ice project for frozen water wall appeared first on Fukushima Diary.