diatomaceous earth

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Related to diatomite: diatomaceous earth, perlite

di·a·to·ma·ceous earth

a powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.

di·a·to·ma·ceous earth

(dī'ă-tŏ-mā'shē-ŭs ĕrth)
A powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.

diatomaceous earth

Silica containing fossilized shells of microscopic algae with a siliceous or calcium-containing cell wall. It is used in insulating material and filters and as an absorbent. Synonym: diatomite

earth

1. soil; softer part of the land, as distinct from rock.
2. metallic oxides in the form of unchangeable powder.

diatomaceous earth
a fine white powder composed of the siliceous skeletons of diatoms; used in treating diarrhea and as a feed additive. Called also infusorial earth, purified siliceous earth.
infusorial earth
see diatomaceous earth (above).
siliceous earth
see diatomaceous earth (above).
References in periodicals archive ?
Diatomite is highly porous material with low density, low noise, heat and electrical conductance, high melting point around 1400-1600 C and resistance against chemicals.
Through this study, we determined properties such as water absorption, water retention capacity, and nutrient release behaviors of the urea fertilizer granules coated with different most common hydrocolloids viz: tamarind gum, guar gum, or xanthan gum together with diatomite clay as the inorganic layer of the granule composite.
In the past, there have been attempts to substitute diatomite by alternative filter media, such as virgin cellulose fibers.
Comparison of the catalytic ability of both groups of samples from Russian and Jordanian deposits gives a general sequence for values of MBOH conversion: palygorskite > kaolinite-R > zeolite-J > bentonite-J > hydromica > red kaolinite > H-ZSM-5 > white kaolinite > diatomite.
Two cores drilled in June 2009 revealed about 130 m of laminated diatomite representing at least 120,000 years of deposition over the life of the lake which was a closed system with little terrigenous siliclastic sediment input.
As stated above, diatomite is a kind of porous inorganic matter.
The diatomite, another name given to this material is used as an abrasive, filter material, inert ingredient of explosives of as insulating of boilers and pipes.
The substance contains the chemical diatomite, which absorbs lipids from the waxy outer layer of insects' exoskeletons, causing them to dehydrate.
2008 production averaged 31,970 barrels of oil equivalent per day (BOE/D) primarily due to the continued successful development of our Diatomite and Poso Creek California oil assets, development of our Piceance asset and our mid-year East Texas gas acquisition.
2]), occurs in nature as sand, quartz, flint or diatomite.
Products manufactured by the company are featured in a four-page, four-color brochure, including Promisil precipitated silica, kaolin, calcium carbonate, diatomite and aluminosilicate of sodium and calcium.