Diatomite is a kind of valuable Siliceous sedimentary rocks, main chemical composition is SiO2, It is a very porous rock with a fine particle size and a low specific gravity. These properties make it useful as a filter media, an absorbent, and as a lightweight filler for rubber, paint, drinking and plastics. When diatomite is crushed into a powder, it is usually called "diatomaceous earth," or D.E

Diatomite as a beer filter: Diatomite has a very small particle size, a high porosity, and is relatively inert. That makes it an excellent material for use as a filter. Much of the beer brewed is filtered through crushed diatomite, known as diatomaceous earth. When selecting diatomite for beer filtering, it is important to source the diatomite from a deposit that was formed in a freshwater environment - because the salty marine diatomite will ruin the beer! Diatomaceous earth is also used to filter wine, drinking water, syrup, honey, juice, swimming pool water, and much more in safety and environment friendly.

Project location: Ethiopia

Process raw material: diatomite bulk

Final product: diatomite fine powder (five kinds of powder), fineness range at 50-100um

Application: filters for beer

Main equipment: YGM grinder, impact dryer mill, hammer mill, powder classifier, roraty kiln, cyclone powder collector, bag filters, etc.

Diatomite as food filter, its disadvantage is not purity, so the diatomite beneficiation is fine and advanced technology, Baichy Machienry set up the project adopt six stages of powder classifier, foucus on fine powder classifier introduced most advanced air classifiers system to improve the D.E purity as much as possible, to satidfied with the high standard product quality.

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