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    • 67. 发明公开
    • Method of preparing metalloaluminophosphate (Meapo) molecular sieve
    • Verfahren zur Herstellung von Metallaluminophosphat(MEAPO)-Molekularsieben
    • EP1970351A1
    • 2008-09-17
    • EP07300861.7
    • 2007-03-13
    • TOTAL PETROCHEMICALS RESEARCH FELUYCENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) Etablissement Public
    • Vermeiren, WalterNesterenko, NikolaiPetitto, Carolina, Résidence de Mail des Abbés C1Di Renzo, Francesco, Les Cèdres BCFajula, Francois
    • C01B37/08B01J29/85C07C1/20C07C1/26C07C1/32
    • B01J29/84B01J29/85C01B37/06C01B37/08C07C1/20C07C1/26C07C1/322C07C2529/84C07C2529/85Y02P30/42C07C11/02
    • The present invention also relates to a method for preparing metalloaluminophosphate (MeAPO) molecular sieve said method comprising :
      a) forming a reaction mixture containing a texture influencing agent (TIA), an organic templating agent (TEMP), at least a reactive inorganic source of MeO 2 insoluble in the TIA, reactive sources of Al 2 O 3 and P 2 O 5 ,
      b) crystallizing the above reaction mixture thus formed until crystals of the metalloaluminophosphate are formed,
      c) recovering a solid reaction product,
      d) washing it with water to remove the TIA and
      e) calcinating it to remove the organic template.
      In a usual embodiment said reaction mixture has a composition expressed in terms of molar oxide ratios of :
      TEMP/Al 2 O 3 = 0.3-5 , more desirable 0.5-2
      MeO 2 /Al 2 O 3 = 0.005-2.0, more desirable 0.022-0.8
      P 2 O 5 /Al 2 O 3 =0.5-2, more desirable 0.8-1.2
      TIA/Al 2 O 3 = 3-30, more desirable 6-20
      In a usual embodiment the metalloaluminophosphate (MeAPO) molecular sieves made with the above method have a lamellar crystal morphology having an empirical chemical composition on an anhydrous basis, after synthesis and calcination, expressed by the formula H x Me y Al z P k O 2 wherein, y+z+k=1, x
      y has a value ranging from 0.0008 to 0.4 and more desirable from 0.005 to 0.18
      z has a value ranging from 0.25 to 0.67 and more desirable from 0.38 to 0.55
      k has a value ranging from 0.2 to 0.67 and more desirable from 0.36 to 0.54
      said molecular sieve having predominantly a plate crystal morphology.
      In an advantageous embodiment the MeAPO made by the method of the invention have essentially a structure CHA or AEI or a mixture thereof. Preferably they have essentially the structure SAPO 18 or SAPO 34 or a mixture thereof.
      The present invention also relates to catalysts consisting of the above MeAPO molecular sieves made by the method of the invention or comprising the above MeAPO molecular sieves made by the method of the invention.
      The present invention also relates to a process for making an olefin product from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock wherein said oxygen-containing, halogenide-containing or sulphur-containing organic feedstock is contacted with the above catalyst under conditions effective to convert the oxygen-containing, halogenide-containing or sulphur-containing organic feedstock to olefin products.
    • 本发明还涉及一种制备金属铝磷酸盐(MeAPO)分子筛的方法,所述方法包括:a)形成含有纹理影响剂(TIA),有机模板剂(TEMP),至少反应性无机源 MeO 2不溶于TIA,Al 2 O 3和P 2 O 5的反应性源,b)使如此形成的上述反应混合物结晶直到形成金属铝磷酸盐晶体,c)回收固体反应产物,d)用 水去除TIA,e)煅烧以除去有机模板。 在通常的实施方案中,所述反应混合物具有以摩尔氧化物比例表示的组成:TEMP / Al 2 O 3 = 0.3-5,更优选0.5-2 MeO 2 / Al 2 O 3 = 0.005-2.0,更优选0.022 -0.8 P 2 O 5 / Al 2 O 3 = 0.5-2,更优选0.8-1.2 TIA / Al 2 O 3 = 3-30,更优选6-20在通常的实施方案中,金属铝磷酸盐(MeAPO)分子筛由 上述方法具有在无水基础上经合成和煅烧的经验化学组成的层状晶体形态,由式H x Me y Al z P k O 2表示,其中,y + z + k = 1,x <= yy具有0.0008至0.4的值,更优选0.005至0.18z具有范围为0.25至0.67的值,更优选从0.38至0.55k具有范围为0.2至0.67且更优选为0.36至0.54的所述分子 主要是板晶形态的筛。 在有利的实施方案中,通过本发明的方法制备的MeAPO基本上具有结构CHA或AEI或其混合物。 优选地,它们基本上具有SAPO 18或SAPO 34或其混合物的结构。 本发明还涉及由通过本发明的方法制备的上述MeAPO分子筛或包含通过本发明的方法制备的上述MeAPO分子筛组成的催化剂。 本发明还涉及一种由含氧卤化物或含硫有机原料制备烯烃产物的方法,其中所述含氧卤化物或含硫有机原料与上述催化剂接触 有效地将含氧卤化物或含硫有机原料转化为烯烃产物的条件。