Transcription of By Robert L. Virta
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1 ZEOLITESBy Robert L. VirtaZeolites are hydrated aluminosilicates of the alkaline and200 tons. In the case of odor-control applications, consumptionalkaline-earth metals. Approximately 40 natural zeolites havedoubled. Consumption declined for animal feed, oil absorbent,been identified over the past 200 years, the most common ofand pet litter applications. The largest decrease was for animalwhich are analcime, chabazite, clinoptilolite, erionite, ferrierite,feed applications, where sales declined 7%. Sales to the oilheulandite, laumontite, mordenite, and phillipsite. More thanabsorbent and pet litter applications declined 5% and 2%,150 zeolites have been synthesized. Some of the more zeolites are zeolites A, X, Y, and ZMS-5.
3 peak year of 1993 when sales reached 41,600 tons. Despite the drop in sales, there are continued efforts to develop new products and markets and an increased interest in …
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