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    • 2. 发明申请
    • HIGH-STRENGTH SAPO-34 MICROSPHERE CATALYST, METHOD FOR PREPARING SAME, AND METHOD FOR PREPARING LIGHT OLEFINS USING SAME
    • 高强度SAPO-34微球催化剂,其制备方法及使用该催化剂制备轻质烯烃的方法
    • WO2011049301A3
    • 2011-09-09
    • PCT/KR2010006753
    • 2010-10-04
    • KOREA RES INST CHEM TECHHYUNDAI ENGINEERING CO LTDCHAE HO JEONGJEONG SOON YONGKIM CHUL UNGJEONG KWANG EUNKIM TAE WAN
    • CHAE HO JEONGJEONG SOON YONGKIM CHUL UNGJEONG KWANG EUNKIM TAE WAN
    • B01J29/85C07C1/20C10G11/18
    • B01J29/85B01J37/0045B01J2229/42C07C1/20C10G3/00C10G11/02C10G11/18C10G2400/20
    • The present invention relates to a high-strength silicoaluminophosphate-34 (SAPO-34) microsphere catalyst, to a method for preparing same, and to a method for preparing light olefins using same. In detail, the present invention relates to a method for preparing a SAPO-34 microsphere catalyst by spraying a slurry mixture containing a matrix, a binder, an additive, etc., onto the SAPO-34 slurry which is prepared by hydrothermal synthesis using various organic templates, such as tetraethylammonium hydroxide (TEAOH) or the like, wherein the organic templates are used alone or a mixture of the organic templates is used, drying the mixture slurry to obtain microspheres, and firing the microspheres. The present invention also relates to a SAPO-34 microsphere catalyst prepared by the method for a circulating fluidized bed reactor. The SAPO-34 microsphere catalyst of the present invention has a high strength and superior reaction activity, and therefore is suitable for use in a circulating fluidized bed reactor which requires a high strength catalyst. In addition, the SAPO-34 microsphere catalyst of the present invention has a long lifespan, and has a superior C1-C4 oxygenate conversion rate, and therefore is suitable for preparing light olefins such as ethylene, propylene, butane, and the like.
    • 本发明涉及高强度硅铝磷酸盐-34(SAPO-34)微球催化剂,其制备方法,以及使用该催化剂制备轻质烯烃的方法。 具体而言,本发明涉及一种通过将含有基质,粘合剂,添加剂等的浆料混合物喷雾到通过水热合成制备的SAPO-34浆料上来制备SAPO-34微球催化剂的方法,所述浆料使用各种 有机模板例如四乙基氢氧化铵(TEAOH)等,其中单独使用有机模板或使用有机模板的混合物,干燥混合物浆料以获得微球体,并烧制微球体。 本发明还涉及通过用于循环流化床反应器的方法制备的SAPO-34微球催化剂。 本发明的SAPO-34微球催化剂具有高强度和优异的反应活性,因此适用于需要高强度催化剂的循环流化床反应器。 另外,本发明的SAPO-34微球催化剂寿命长,具有优良的C1-C4含氧化合物转化率,因此适用于制备乙烯,丙烯,丁烷等轻质烯烃。