Five tons of seawater entered Hamaoka reactor

Around five tons of seawater is estimated to have entered the reactor core of Unit 5 at the 3,617 MW Hamaoka nuclear power plant in Japan, according to the Jiji Press. That follows the discovery of an estimated 400 tons of seawater that flooded the reactor’s main steam condenser.

Workers with plant owner Chubu Electric Power Co. found the seawater while shutting down the reactor as requested by the government. Officials said the assessment of the purity of the water inside the pressure vessel showed it came from the condenser.

The utility does not plan to decommission the reactor, but will dilute and desalinate the water to prevent any corrosion inside the reactor.

The operator reportedly is now pumping fresh water into the pressure vessel to reduce the concentration of salt.

The Japanese government on May 6 requested that the Hamaoka power plant shut down due to concerns that another strong earthquake would cause another nuclear crisis. The plant is located along a geological faultline.

Subscribe to Nuclear Power International



Did You Like this Article? Get All the Energy Industry News Delivered to Your Inbox

Subscribe to an email newsletter today at no cost and receive the latest news and information.

 Subscribe Now

Whitepapers

Maximizing Operational Excellence

In a recent survey conducted by PennEnergy Research, 70% of surveyed energy industry professional...

Leveraging the Power of Information in the Energy Industry

Information Governance is about more than compliance. It’s about using your information to drive ...

Reduce Engineering Project Complexity

Engineering document management presents unique and complex challenges. A solution based in Enter...

Revolutionizing Asset Management in the Electric Power Industry

With the arrival of the Industrial Internet of Things, data is growing and becoming more accessib...