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molecular sieve |
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molecular sieve [mə′lek·yə·lər ′siv] (chemistry) A naturally occurring or synthetic zeolite characterized by the ability to undergo dehydration with little or no change in crystal structure, thereby offering a very high surface area for adsorption of foreign molecules. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Molecular sieves were added to the reaction mixture to prevent undesirable hydrolysis from taking place. To improve on nature's molecular sieves, many researchers are developing synthetic varieties whose properties they can tailor (SN: 6/23/01, p. The drying of ethanol is one of the hardest and most critical parts of fuel ethanol production and GEA Wiegand has pioneered key technology developments and methods such as molecular sieves, pervaporation membranes, and azeotropic distillation to remove water from raw alcohol. |
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