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    • 5. 发明授权
    • Compositions and processes for reducing NOx emissions during fluid catalytic cracking
    • 在流化床催化裂化过程中减少NOx排放的组成和方法
    • US07304011B2
    • 2007-12-04
    • US10824913
    • 2004-04-15
    • George YalurisMichael Scott ZiebarthXinjin Zhao
    • George YalurisMichael Scott ZiebarthXinjin Zhao
    • B01J29/80B01J29/06
    • C10G11/05C10G2300/405C10G2300/80C10G2400/20
    • Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeolite, and a particulate NOx composition containing particles of a zeolite having a pore size ranging from about 3 to about 7.2 Angstoms and a SiO2 to Al2O3 molar ratio of less than about 500. Preferably, the NOx reduction composition contains NOx reduction zeolite particles bound with an inorganic binder. In the alternative, the NOx reduction zeolite particles are incorporated into the cracking catalyst as an integral component of the catalyst. Compositions in accordance with the invention are very effective for the reduction of NOx emissions released from the regenerator of a fluid catalytic cracking unit operating under FCC process conditions without a substantial change in conversion or yield of cracked products, e.g., gasoline and light olefins. Processes for the use of the compositions are also disclosed.
    • 公开了在催化裂化过程中产生的用于还原NO x x N的组合物,优选流化催化裂化过程。 该组合物包含优选含有Y型沸石的流化催化裂化催化剂组合物和含有孔径为约3至约7.2埃的沸石颗粒的颗粒状NO x SiO 2 / SiO 2与Al 2 O 3摩尔比小于约500.优选地,NO x X 3还原组合物 含有与无机粘合剂结合的NO x X 3还原沸石颗粒。 在替代方案中,将NO x还原沸石颗粒作为催化剂的组成成分加入到裂化催化剂中。 根据本发明的组合物对于在FCC工艺条件下操作的流化床催化裂化装置的再生器中释放的NO x NO x的排放非常有效,而没有破裂产物的转化率或产率的实质变化, 例如汽油和轻质烯烃。 还公开了使用组合物的方法。
    • 10. 发明申请
    • Compositions and processes for reducing NOx emissions during fluid catalytic cracking
    • 在流化床催化裂化过程中减少NOx排放的组成和方法
    • US20050230285A1
    • 2005-10-20
    • US10824913
    • 2004-04-15
    • George YalurisMichael ZiebarthXinjin Zhao
    • George YalurisMichael ZiebarthXinjin Zhao
    • C10G11/05
    • C10G11/05C10G2300/405C10G2300/80C10G2400/20
    • Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeolite, and a particulate NOx composition containing particles of a zeolite having a pore size ranging from about 3 to about 7.2 Angstoms and a SiO2 to Al2O3 molar ratio of less than about 500. Preferably, the NOx reduction composition contains NOx reduction zeolite particles bound with an inorganic binder. In the alternative, the NOx reduction zeolite particles are incorporated into the cracking catalyst as an integral component of the catalyst. Compositions in accordance with the invention are very effective for the reduction of NOx emissions released from the regenerator of a fluid catalytic cracking unit operating under FCC process conditions without a substantial change in conversion or yield of cracked products, e.g., gasoline and light olefins. Processes for the use of the compositions are also disclosed.
    • 公开了在催化裂化过程中产生的用于还原NO x x N的组合物,优选流化催化裂化过程。 该组合物包含优选含有Y型沸石的流化催化裂化催化剂组合物和含有孔径为约3至约7.2埃的沸石颗粒的颗粒状NO x SiO 2 / SiO 2与Al 2 O 3摩尔比小于约500.优选地,NO x X 3还原组合物 含有与无机粘合剂结合的NO x X 3还原沸石颗粒。 在替代方案中,将NO x还原沸石颗粒作为催化剂的组成成分加入到裂化催化剂中。 根据本发明的组合物对于在FCC工艺条件下操作的流化床催化裂化装置的再生器中释放的NO x NO x的排放非常有效,而没有破裂产物的转化率或产率的实质变化, 例如汽油和轻质烯烃。 还公开了使用组合物的方法。