Samia Ferchiche, Juliusz Warzywoda, Albert Sacco Jr.
{"title":"大粒径Y型沸石的直接合成","authors":"Samia Ferchiche, Juliusz Warzywoda, Albert Sacco Jr.","doi":"10.1016/S1466-6049(01)00046-0","DOIUrl":null,"url":null,"abstract":"<div><p>Large zeolite Y particles have been synthesized directly from gels (4.76Na<sub>2</sub>O: 1.0Al<sub>2</sub>O<sub>3</sub>: <em>x</em>SiO<sub>2</sub>: 454H<sub>2</sub>O: 5TEA, <em>x</em>=5.25–8.75) aged at ∼293 K before static heating at 368 K. Product purity, size, and Si/Al ratio of zeolite Y depended on the gel composition and aging time. Two-day aging of gels (<em>x</em>=5.25 and 7.0) resulted in nearly pure zeolite Y (<5–10 wt.% zeolite P<sub>t</sub>) with Si/Al=1.7 and 1.9, and maximum size of 95 and 120 μm, respectively. Sieving of products grown from gels with <em>x</em>=8.75 aged for 7 days resulted in nearly pure zeolite Y in the ∼50–125 μm particle size range. The Si/Al ratio of all zeolite Y grown from gels with <em>x</em>=8.75 did not change with aging time (2–20 days) and was 2.1.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 7","pages":"Pages 773-780"},"PeriodicalIF":0.0000,"publicationDate":"2001-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00046-0","citationCount":"46","resultStr":"{\"title\":\"Direct synthesis of zeolite Y with large particle size\",\"authors\":\"Samia Ferchiche, Juliusz Warzywoda, Albert Sacco Jr.\",\"doi\":\"10.1016/S1466-6049(01)00046-0\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Large zeolite Y particles have been synthesized directly from gels (4.76Na<sub>2</sub>O: 1.0Al<sub>2</sub>O<sub>3</sub>: <em>x</em>SiO<sub>2</sub>: 454H<sub>2</sub>O: 5TEA, <em>x</em>=5.25–8.75) aged at ∼293 K before static heating at 368 K. Product purity, size, and Si/Al ratio of zeolite Y depended on the gel composition and aging time. Two-day aging of gels (<em>x</em>=5.25 and 7.0) resulted in nearly pure zeolite Y (<5–10 wt.% zeolite P<sub>t</sub>) with Si/Al=1.7 and 1.9, and maximum size of 95 and 120 μm, respectively. Sieving of products grown from gels with <em>x</em>=8.75 aged for 7 days resulted in nearly pure zeolite Y in the ∼50–125 μm particle size range. The Si/Al ratio of all zeolite Y grown from gels with <em>x</em>=8.75 did not change with aging time (2–20 days) and was 2.1.</p></div>\",\"PeriodicalId\":100700,\"journal\":{\"name\":\"International Journal of Inorganic Materials\",\"volume\":\"3 7\",\"pages\":\"Pages 773-780\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2001-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00046-0\",\"citationCount\":\"46\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Inorganic Materials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1466604901000460\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Inorganic Materials","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1466604901000460","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Direct synthesis of zeolite Y with large particle size
Large zeolite Y particles have been synthesized directly from gels (4.76Na2O: 1.0Al2O3: xSiO2: 454H2O: 5TEA, x=5.25–8.75) aged at ∼293 K before static heating at 368 K. Product purity, size, and Si/Al ratio of zeolite Y depended on the gel composition and aging time. Two-day aging of gels (x=5.25 and 7.0) resulted in nearly pure zeolite Y (<5–10 wt.% zeolite Pt) with Si/Al=1.7 and 1.9, and maximum size of 95 and 120 μm, respectively. Sieving of products grown from gels with x=8.75 aged for 7 days resulted in nearly pure zeolite Y in the ∼50–125 μm particle size range. The Si/Al ratio of all zeolite Y grown from gels with x=8.75 did not change with aging time (2–20 days) and was 2.1.
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