Alert over after nitrogen leak at nuclear plant
BERWICK, PENNSYLVANIA - PPL says an alert is over at the Susquehanna nuclear plant in northeastern Pennsylvania after oxygen levels returned to normal in a pump room following a nitrogen leak.
The Allentown-based utility says a worker fixing a water line was evacuated after higher-than-acceptable levels of nitrogen were detected inside the room. The worker had been using a device containing the gas at the time.
PPL says workers used the plant's ventilation system and fans to return oxygen levels to normal. They were then able to get into the room and shut off the source of the nitrogen, and the alert ended immediately after.
The company says both reactors at the plant continued to operate normally and no injuries were reported. PPL says a follow-up investigation will be done.
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Rio Tinto seeking solutions that transform heat from underground mines into electricity
ARIZONA - The world’s second-largest miner, Rio Tinto announced that it is accepting proposals for solutions that transform waste heat from its underground operations into electricity for reuse.
In a press release, the company said this initiative is aimed at drastically reducing greenhouse gas emissions so that it can achieve its goal of becoming carbon neutral by 2050.
Initially, the project would be implemented at the Resolution copper mine in Arizona, which Rio owns together with BHP (ASX, LON: BHP). At this site, massive electrically-driven refrigeration and ventilation systems are in charge of cooling the work environment because of the latent heat…
