- natural zeolite
- природный цеолит
English-Russian dictionary of Oil Industry. 2014.
natural zeolite
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Zeolite — Zeolites (Greek, zein , to boil ; lithos , a stone ) are hydrated aluminosilicate minerals and have a micro porous structure. The term was originally coined in the 18th century by a Swedish mineralogist named Axel Fredrik Cronstedt who observed,… … Wikipedia
zeolite — [zē′ə līt΄] n. [Swed zeolit < Gr zein, to boil (see YEAST): from its swelling up when heated] 1. any of a large group of natural hydrous aluminum silicates of sodium, calcium, potassium, barium, etc., chiefly found in cavities in igneous rocks … English World dictionary
zeolite — zeolitic /zee euh lit ik/, adj. /zee euh luyt /, n. Mineral. any of a group of hydrated silicates of aluminum with alkali metals, commonly occurring as secondary minerals in cavities in basic volcanic rocks: used for their molecular sieve… … Universalium
Zéolite d'Hellesta — Apophyllite Apophyllite Catégorie IX : silicates apophyllite, Rio grande do sul, Brésil (28x14cm) … Wikipédia en Français
zeolite — noun Etymology: Swedish zeolit, from Greek zein to boil + o + Swedish lit lite, from French lite more at yeast Date: circa 1777 any of various hydrous silicates that are analogous in composition to the feldspars, occur as secondary minerals in… … New Collegiate Dictionary
zeolite — A naturally occurring hydrated sodium aluminum silicate, Na2O Al2O3 (SiO2)x (H2O)x, used for softening of hard water by exchanging its Na+ for the Ca2+ of the water; thus z. is an ion exchanger. Some synthetic ion exchangers are termed synthetic… … Medical dictionary
Pyramidal zeolite — Apophyllite Apophyllite Catégorie IX : silicates apophyllite, Rio grande do sul, Brésil (28x14cm) … Wikipédia en Français
Richard L. Hay — Richard LeRoy Hay (April 29 1929 ndash; February 10 2006) was an American geologist whose most famous work was as the principal geologist working with Mary Leakey at Olduvai Gorge, the site of many important hominid finds in the study of human… … Wikipedia
Hard water — is the type of water that has high mineral content (in contrast with soft water ). Hard water minerals primarily consist of calcium (Ca2+), and magnesium (Mg2+) metal cations, and sometimes other dissolved compounds such as bicarbonates and… … Wikipedia
molecular sieve — Chem. a compound with molecule size pores, as some sodium aluminum silicates, that chemically locks molecules in them: used in purification and separation processes. [1925 30] * * * ▪ chemistry a porous solid, usually a synthetic or a… … Universalium
faujasite — ▪ mineral hydrated sodium and calcium aluminosilicate mineral that is a rare member of the zeolite family. Faujasite somewhat resembles chabazite in chemical composition, crystal structure, and distribution. Isolated specimens of the… … Universalium
