Friday, December 18, 2015

Turning rice farming waste into useful silica compounds

'DO NOT EAT.' That's what's marked on the innocuous little packets that contain the most widely known form of precipitated silica. They're used to absorb moisture that could damage new products, and most of us don't think much about them.

from Geochemistry News -- ScienceDaily http://ift.tt/1Pf512G
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