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2. Diatomaceous earth - Wikipedia

   en.wikipedia.org/wiki/Diatomaceous_earth

   Diatomite rock sample from Sisquoc Formation Scanning electron micrograph of diatomaceous earth. Diatomaceous earth (/ ˌ d aɪ. ə t ə ˈ m eɪ ʃ ə s / DY-ə-tə-MAY-shəs), also known as diatomite (/ d aɪ ˈ æ t ə m aɪ t / dy-AT-ə-myte), celite, or kieselguhr, is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder.

3. Diatomaceous earth filtration - Wikipedia

   en.wikipedia.org/wiki/Diatomaceous_earth_filtration

   Diatomaceous earth filtration is a special filtration process that removes particles from liquids as it passes through a layer of fossilized remains of microscopic water organism called diatoms. These diatoms are mined from diatomite deposits which are located along the Earth's surface as they have accumulated in sediment of open and moving ...

4. Hydrated silica - Wikipedia

   en.wikipedia.org/wiki/Hydrated_silica

   Diatomaceous earth, originally mined as "tooth powder" is a naturally occurring hydrated silica.As a fine gel abrasive, frequently combined with softer calcium carbonate (from chalk) it helps to remove plaque.

5. Diatom - Wikipedia

   en.wikipedia.org/wiki/Diatom

   Diatomaceous earth (diatomite) is a collection of diatom shells found in the Earth's crust. They are soft, silica-containing sedimentary rocks which are easily crumbled into a fine powder and typically have a particle size of 10 to 200 μm.

6. Anticaking agent - Wikipedia

   en.wikipedia.org/wiki/Anticaking_agent

   Diatomaceous earth, mostly consisting of silicon dioxide (SiO 2), may also be used as an anticaking agent in animal foods, typically mixed at 2% rate of a product dry weight. [ 9 ] List of anticaking agents

7. Biogenic silica - Wikipedia

   en.wikipedia.org/wiki/Biogenic_silica

   Diatomaceous earth is made up of diatom cell walls, an example of biogenic silica. Silica is synthesised in the diatom cell by the polymerisation of silicic acid. This image of diatomaceous earth particles in water is at a scale of 6.236 pixels/μm, the entire image covers a region of approximately 1.13 by 0.69 mm.