Researchers find that iron powder, an inexpensive alternative to activated carbon, does a better job at filtering PFOS from water -- it's 26 times more effective. PFOS, also known as "forever ...
Calcium metal flakes react rapidly but are difficult to control; MgH₂ tends to stop reacting due to formation of a dense Mg(OH)₂ surface layer. In contrast, the gas-atomized Ca–Mg eutectic powder ...
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