- synthetic zeolite
- 合成沸石
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
synthetic zeolite
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synthetic zeolite — Synthetic zeolites are widely used as catalysts in the petrochemical industry, for instance in fluid catalytic cracking and hydrocracking. See: molecular sieves … Petroleum refining glossary
zeolite molecular sieves — are crystalline, highly porous materials, which belong to the class of alumino silicates. These crystals are characterized by a three dimensional pore system, with pores of precisely defined diameter. This diameter is in the dimension of the size … Petroleum refining glossary
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 — Any of a large family of crystalline metal oxide materials characterized by the presence of extensive regular interconnected pore systems. Most are based on mixtures of aluminum and silicon oxides, while others have phosphorous and other elements … Petroleum refining glossary
zeolite process — noun A water softening process using zeolites (formerly zeolites occurring naturally, now synthetic ones) • • • Main Entry: ↑zeolite … Useful english dictionary
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 — 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
E85 in standard engines — ExperimentalE85 has an octane rating of 105, which is higher than typical commercial gasoline mixtures (octane ratings of 85 to 98); however, it does not burn as efficiently in traditionally manufactured internal combustion engines. Additionally … Wikipedia
Ethanol purification — Vapor liquid equilibrium of the mixture of Ethanol and Water (incl. azeotrope), composition given in molefractions The product of either ethylene hydration or brewing is an ethanol water mixture. For most industrial and fuel uses, the ethanol… … Wikipedia
ZSM-5 — (structure type MFI) is an aluminosilicate zeolite mineral belonging to the pentasil family of zeolites. Its chemical formula is NanAlnSi96 nO192•16H2O (0 … Wikipedia
cation exchanger — noun : a cation exchange agent that can exchange its cation with the cation or cations of a solution passed through it and that consists of an insoluble saltlike or acidic substance:as a. : a natural or synthetic zeolite b. : a sulfonated coal c … Useful english dictionary
