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    • 3. 发明申请
    • METHOD OF PREPARING MOLECULAR SIEVE SSZ-74
    • 制备分子筛SSZ-74的方法
    • US20080292543A1
    • 2008-11-27
    • US12039291
    • 2008-02-28
    • Stacey I. ZonesAllen W. Burton
    • Stacey I. ZonesAllen W. Burton
    • C01B39/04
    • C01B37/02C01B39/48
    • A method of preparing a crystalline material, herein designated as SSZ-74, comprising contacting under crystallization conditions (1) a source of silicon oxide, (2) a source of another metal oxide, (3) fluoride ions, and (4) a structure directing agent comprising a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication. A method of preparing a crystalline material having a defined X-ray powder diffraction pattern, by (1) forming a reaction mixture having one or more metal oxides, one being silicon oxide, and a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication, (2) maintaining the reaction mixture at an elevated temperature until crystals are formed, (3) separating the crystalline material, and (4) optionally calcining the crystalline material. A method for preparing a crystalline material, comprising (1) forming a defined reaction mixture, (2) maintaining the reaction mixture under conditions where crystals are formed, (3) separating out the crystalline material, and (4) water-washing and drying the crystalline material such that it has a defined X-ray powder diffraction pattern.
    • 一种制备结晶材料的方法,这里称为SSZ-74,包括在结晶条件下接触(1)氧化硅源,(2)另一种金属氧化物源,(3)氟离子和(4) 结构导向剂包含六亚甲基-1,6-双 - (N-甲基-N-吡咯烷鎓)二阳离子。 (1)形成具有一种或多种金属氧化物的反应混合物,一种是氧化硅和六亚甲基-1,6-双 - (N-甲基-2-吡咯烷酮)的制备具有规定的X射线粉末衍射图的结晶材料的方法, (2)将反应混合物保持在高温直到形成晶体,(3)分离结晶材料,和(4)任选地煅烧结晶材料。 一种制备结晶材料的方法,包括(1)形成规定的反应混合物,(2)在形成晶体的条件下保持反应混合物,(3)分离结晶材料,和(4)水洗和干燥 结晶材料使得其具有限定的X射线粉末衍射图。
    • 4. 发明授权
    • Treatment of cold start engine exhaust
    • 冷启动发动机排气处理
    • US08580228B2
    • 2013-11-12
    • US11961776
    • 2007-12-20
    • Stacey I. ZonesCabral M. WilliamsTecle S. RufaelAllen W. Burton
    • Stacey I. ZonesCabral M. WilliamsTecle S. RufaelAllen W. Burton
    • C01B33/36B01D53/56B01D53/86B01J29/04B01J29/06B01J21/00
    • B01D53/945B01D53/04B01D53/9486B01D2253/104B01D2253/108B01D2255/102B01D2255/1021B01D2255/1023B01D2255/50B01D2259/4143B01J29/70B01J29/7007B01J29/80Y02A50/2324Y02C20/20Y02T10/22
    • The present invention relates to a process for reducing cold start emissions in an exhaust gas stream (such as from an internal combustion engine) by contacting the exhaust stream with a combination of molecular sieves comprising (1) a small pore crystalline molecular sieve or mixture of molecular sieves having pores no larger than 8 membered rings selected from the group consisting of SSZ-13, SSZ-16, SSZ-36, SSZ-39, SSZ-50, SSZ-52 and SSZ-73 molecular sieve and having a mole ratio at least 10 of (a) an oxide of a first tetravalent element to (b) an oxide of a trivalent element, pentavalent element, second tetravalent element which is different from said first tetravalent element or mixture thereof and (2) a medium-large pore crystalline molecular sieve having pores at least as large as 10 membered rings selected from the group consisting of SSZ-26, SSZ-33, SSZ-64, zeolite Beta, CIT-1, CIT-6 and ITQ-4 and having a mole ratio of at least 10 of (a) an oxide of a first tetravalent element to (b) an oxide of a trivalent element, pentavalent element, second tetravalent element which is different from said first tetravalent element or mixture thereof.
    • 本发明涉及通过使废气流与分子筛的组合接触来减少废气流(例如来自内燃机)中的冷启动排放的方法,所述分子筛包括(1)小孔结晶分子筛或 具有不大于8元环的分子筛,其选自SSZ-13,SSZ-16,SSZ-36,SSZ-39,SSZ-50,SSZ-52和SSZ-73分子筛,并且具有摩尔比 至少10个(a)第一四价元素的氧化物,(b)三价元素的氧化物,不同于所述第一四价元素或其混合物的五价元素,第二四价元素和(2)中等大小 孔结晶分子筛,其孔至少与选自SSZ-26,SSZ-33,SSZ-64,β沸石,CIT-1,CIT-6和ITQ-4组成的组中的10元环一样大,并具有摩尔 (a)第一四价元素的氧化物的至少10的比例 至(b)不同于所述第一四价元素或其混合物的三价元素的氧化物,五价元素,第二四价元素。
    • 5. 发明申请
    • TREATMENT OF COLD START ENGINE EXHAUST
    • 冷起动发动机排气的处理
    • US20080159936A1
    • 2008-07-03
    • US11961776
    • 2007-12-20
    • Stacey I. ZonesCabral M. WilliamsTecle S. RufaelAllen W. Burton
    • Stacey I. ZonesCabral M. WilliamsTecle S. RufaelAllen W. Burton
    • B01D53/44B01D53/72
    • B01D53/945B01D53/04B01D53/9486B01D2253/104B01D2253/108B01D2255/102B01D2255/1021B01D2255/1023B01D2255/50B01D2259/4143B01J29/70B01J29/7007B01J29/80Y02A50/2324Y02C20/20Y02T10/22
    • The present invention relates to a process for reducing cold start emissions in an exhaust gas stream (such as from an internal combustion engine) by contacting the exhaust stream with a combination of molecular sieves comprising (1) a small pore crystalline molecular sieve or mixture of molecular sieves having pores no larger than 8 membered rings selected from the group consisting of SSZ-13, SSZ-16, SSZ-36, SSZ-39, SSZ-50, SSZ-52 and SSZ-73 molecular sieve and having a mole ratio at least 10 of (a) an oxide of a first tetravalent element to (b) an oxide of a trivalent element, pentavalent element, second tetravalent element which is different from said first tetravalent element or mixture thereof and (2) a medium-large pore crystalline molecular sieve having pores at least as large as 10 membered rings selected from the group consisting of SSZ-26, SSZ-33, SSZ-64, zeolite Beta, CIT-1, CIT-6 and ITQ-4 and having a mole ratio of at least 10 of (a) an oxide of a first tetravalent element to (b) an oxide of a trivalent element, pentavalent element, second tetravalent element which is different from said first tetravalent element or mixture thereof.
    • 本发明涉及通过使废气流与分子筛的组合接触来减少废气流(例如来自内燃机)中的冷启动排放的方法,所述分子筛包括(1)小孔结晶分子筛或 具有不大于8元环的分子筛,其选自SSZ-13,SSZ-16,SSZ-36,SSZ-39,SSZ-50,SSZ-52和SSZ-73分子筛,并且具有摩尔比 至少10个(a)第一四价元素的氧化物,(b)三价元素的氧化物,不同于所述第一四价元素或其混合物的五价元素,第二四价元素和(2)中等大小 孔结晶分子筛,其孔至少与选自SSZ-26,SSZ-33,SSZ-64,β沸石,CIT-1,CIT-6和ITQ-4组成的组中的10元环一样大,并具有摩尔 (a)第一四价元素的氧化物的至少10的比例 至(b)不同于所述第一四价元素或其混合物的三价元素的氧化物,五价元素,第二四价元素。
    • 7. 发明授权
    • Method of preparing molecular sieve SSZ-74
    • 制备分子筛SSZ-74的方法
    • US07569207B2
    • 2009-08-04
    • US12039291
    • 2008-02-28
    • Stacey I. ZonesAllen W. Burton
    • Stacey I. ZonesAllen W. Burton
    • C01B33/36B01J29/04B01J21/00
    • C01B37/02C01B39/48
    • A method of preparing a crystalline material, herein designated as SSZ-74, comprising contacting under crystallization conditions (1) a source of silicon oxide, (2) a source of another metal oxide, (3) fluoride ions, and (4) a structure directing agent comprising a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication. A method of preparing a crystalline material having a defined X-ray powder diffraction pattern, by (1) forming a reaction mixture having one or more metal oxides, one being silicon oxide, and a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication, (2) maintaining the reaction mixture at an elevated temperature until crystals are formed, (3) separating the crystalline material, and (4) optionally calcining the crystalline material. A method for preparing a crystalline material, comprising (1) forming a defined reaction mixture, (2) maintaining the reaction mixture under conditions where crystals are formed, (3) separating out the crystalline material, and (4) water-washing and drying the crystalline material such that it has a defined X-ray powder diffraction pattern.
    • 一种制备结晶材料的方法,这里称为SSZ-74,包括在结晶条件下接触(1)氧化硅源,(2)另一种金属氧化物源,(3)氟离子,和(4) 结构导向剂包含六亚甲基-1,6-双 - (N-甲基-N-吡咯烷鎓)二阳离子。 (1)形成具有一种或多种金属氧化物的反应混合物,一种是氧化硅和六亚甲基-1,6-双 - (N-甲基-2-吡咯烷酮)的制备具有规定的X射线粉末衍射图的结晶材料的方法, (2)将反应混合物保持在高温直到形成晶体,(3)分离结晶材料,和(4)任选地煅烧结晶材料。 一种制备结晶材料的方法,包括(1)形成规定的反应混合物,(2)在形成晶体的条件下保持反应混合物,(3)分离结晶材料,和(4)水洗和干燥 结晶材料使得其具有限定的X射线粉末衍射图。