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A comment on Reducing Iron Oxide with Ammonia: A Sustainable Path to Green Steel. Parent comment

Re:Reducing Iron Oxide with Ammonia: A Sustainable Path to G... by cyberax on Monday April 03, 2023 @03:15AM (#35419679)
Ammonia can indeed be used as a longish term energy storage. It's not as great as methane (that can be pumped into underground caverns), but it liquefies at room temperature at just around 9 atmospheres or at -33C at atmospheric pressure.

Though it's pretty poisonous if it leaks.

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Re:Reducing Iron Oxide with Ammonia: A Sustainable Path to G... by namibj on Monday April 03, 2023 @08:39AM (#35422479)
It's corrosive to humans, toxic to aquatic life, but once you dilute it, humans survive easily.

The dangers are in confined spaces.

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Re:Reducing Iron Oxide with Ammonia: A Sustainable Path to G... by kragen on Monday April 03, 2023 @04:19PM (#35430672)
it's caustic if it leaks, but in the environment it quickly reacts to produce nontoxic products
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