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A comment on Iron Fuel Shows Its Mettle. Parent comment

Re:Iron Fuel Shows Its Mettle by juujian on Friday June 23, 2023 @11:29AM (#36448232)
The article mentions a HEPA filter.
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Re:Iron Fuel Shows Its Mettle by sudhirj on Friday June 23, 2023 @11:44AM (#36448462)
That’s still a mess, if the particles are magnetic a magnet will be a way cleaner and more effective filter.
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Re:Iron Fuel Shows Its Mettle by sacnoradhq on Sunday June 25, 2023 @07:24AM (#36467067)
Unfortunately, you're mistaken. In practice, iron(iii) oxide is barely paramagnetic and the particles are likely well above the Curie point and possibly at the melting point.
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