RU2011133147A - METHOD FOR PRODUCING HYDROPHOBIC ZEOLITE - Google Patents
METHOD FOR PRODUCING HYDROPHOBIC ZEOLITE Download PDFInfo
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- RU2011133147A RU2011133147A RU2011133147/05A RU2011133147A RU2011133147A RU 2011133147 A RU2011133147 A RU 2011133147A RU 2011133147/05 A RU2011133147/05 A RU 2011133147/05A RU 2011133147 A RU2011133147 A RU 2011133147A RU 2011133147 A RU2011133147 A RU 2011133147A
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- zeolite
- zeolite material
- alumina
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Abstract
1. Способ получения гидрофобного цеолита, включающий прокаливание цеолитного материала в присутствии водяного пара, отличающийся тем, что прокаливание осуществляют неподвижного слоя цеолитного материала, при этом цеолитный материал имеет молярное отношение диоксида кремния к оксиду алюминия по меньшей мере 10.2. Способ по п.1, отличающийся тем, что прокаливание осуществляют в ступенчатом режиме: в течение 1-2 ч при температуре 180-230°С, 1,5-2,5 ч при температуре 380-430°С, 0,5-2 ч при температуре 700-900°С.3. Способ по п.1, в котором цеолитный материал имеет молярное отношение диоксида кремния к оксиду алюминия, по меньшей мере, 20.4. Способ по п.1, в котором цеолитный материал представляет собой гранулы, сформованные из цеолита типа Y, поливинилового спирта и сиалита-20С, с соотношением диоксида кремния к оксиду алюминия, по меньшей мере, 10.5. Способ по п.1, в котором цеолитный материал представляет собой гранулы, сформованные из цеолита типа Y, поливинилового спирта и сиалита-20С, имеющие размер элементарной ячейки меньше или равный 24,27 Ǻ.1. A method of producing a hydrophobic zeolite, comprising calcining a zeolite material in the presence of water vapor, characterized in that the calcination is carried out by a fixed layer of zeolite material, wherein the zeolite material has a molar ratio of silicon dioxide to alumina of at least 10.2. The method according to claim 1, characterized in that the calcination is carried out in a stepwise mode: for 1-2 hours at a temperature of 180-230 ° C, 1.5-2.5 hours at a temperature of 380-430 ° C, 0.5- 2 hours at a temperature of 700-900 ° C. 3. The method according to claim 1, wherein the zeolite material has a molar ratio of silica to alumina of at least 20.4. The method according to claim 1, in which the zeolite material is a granule formed from type Y zeolite, polyvinyl alcohol and sialite-20C, with a ratio of silicon dioxide to alumina of at least 10.5. The method according to claim 1, wherein the zeolite material is a granule formed from type Y zeolite, polyvinyl alcohol and sialite-20C having a unit cell size less than or equal to 24.27 Ǻ.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2011133147/05A RU2481268C2 (en) | 2011-08-05 | 2011-08-05 | Method of producing hydrophobic zeolite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2011133147/05A RU2481268C2 (en) | 2011-08-05 | 2011-08-05 | Method of producing hydrophobic zeolite |
Publications (2)
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RU2011133147A true RU2011133147A (en) | 2013-02-10 |
RU2481268C2 RU2481268C2 (en) | 2013-05-10 |
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Family Applications (1)
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RU2011133147/05A RU2481268C2 (en) | 2011-08-05 | 2011-08-05 | Method of producing hydrophobic zeolite |
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RU (1) | RU2481268C2 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1131195A (en) * | 1978-02-23 | 1982-09-07 | David E. Earls | Ultrahydrophobic zeolite y |
JP3709138B2 (en) * | 1999-03-03 | 2005-10-19 | ピーキュー ホールディング, インコーポレイテッド | Process for producing modified zeolite. |
US6860986B2 (en) * | 2002-11-08 | 2005-03-01 | Chevron U.S.A. Inc. | Extremely low acidity ultrastable Y zeolite catalyst composition and process |
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- 2011-08-05 RU RU2011133147/05A patent/RU2481268C2/en active
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