Retrieving "Filtration Media" from the archives

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1. Diatom

   Linked via "filtration media"

   Diatomaceous Earth
   When diatoms die, their organic material decomposes, leaving behind the robust silica frustules. The accumulation of these microscopic skeletons over millennia forms diatomaceous earth (or kieselguhr). Deposits of this material are mined globally for various industrial applications, including filtration media, abrasive agents, and as an inert filler in certain [explosive formulations](/e…