The Hydrogen Incident
and Accidents Database
European Hydrogen Incidents and Accidents database HIAD 2.1, European Commission, Joint Research Centre

HIAD Nature Event - Release Substance: Potasium hydroxide

Leakage of Potassium Hydroxide from a Water Electrolyzer (1037)
The incident consisted of a leakage of potassium hydroxide solution (KOH) from an alkaline electrolyzer in a renewable hydrogen production plant. One webpage news reported that smoke formation…

This material was prepared as an account of work sponsored by an agency of the United States Government.
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The portal brings together and enhances the utility of a variety of tools and web-based content on the safety aspects of hydrogen and fuel cell technologies to help inform those tasked with designing, approving or using systems and facilities, as well as those responding to incidents.

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