摘要:
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 MeO2 insoluble in the TIA, reactive sources of Al2O3 and P2O5, 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/Al2O3=0.3-5, more desirable 0.5-2 MeO2/Al2O3=0.005-2.0, more desirable 0.022-0.8 P2O5/Al2O3=0.5-2, more desirable 0.8-1.2 TIA/Al2O3=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 HxMeyAlzPkO2 wherein, y+z+k=1, x
摘要:
The present invention relates to metalloaluminophosphate (MeAPO) molecular sieve with lamellar crystal morphology having an empirical chemical composition on an anhydrous basis, after synthesis and calcination, expressed by the formula HxMeyAlzPkO2 wherein, y+z+k=1 x =10 and advantageously ranges from 10 to 100. In a preferred embodiment T is
摘要:
The present invention relates to metalloaluminophosphate (MeAPO) molecular sieve with lamellar crystal morphology having an empirical chemical composition on an anhydrous basis, after synthesis and calcination, expressed by the formula HxMeyAlzPkO2 wherein, y+z+k=1 x =10 The above metalloaluminophosphate (MeAPO) molecular sieve can be made by a method which comprises: a) forming a reaction mixture containing a texture influencing agent (TIA), an organic templating agent (TEMP), at least a reactive inorganic source of MeO2 insoluble in the TIA, reactive sources of AI203 and P205, 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. The present invention also relates to catalysts consisting of the above MeAPO molecular and relates to a process for making an olefin product from an oxygen-containing, halogenide-containing or sulphur-containing feedstock.
摘要翻译:本发明涉及具有层状晶体形态的金属铝磷酸盐(MeAPO)分子筛,其具有无水基础上的经验化学组成,合成和煅烧后,由式HxMeyAlzPkO2表示,其中y + z + k = 1×y = y表示分子 主要具有板宽度(W)和厚度(T)为W / T的平板晶体形态的筛是> = 10。上述金属铝磷酸盐(MeAPO)分子筛可以通过以下方法制备:a)形成反应 含有纹理影响剂(TIA),有机模板剂(TEMP),至少不溶于TIA的反应性无机源的氧化铝,Al 2 O 3和P 2 O 5的反应性源的混合物,b)使由此形成的上述反应混合物结晶直至 形成金属铝磷酸盐,c)回收固体反应产物,d)用水洗涤以除去TIA,e)煅烧以除去有机模板。 本发明还涉及由上述MeAPO分子组成的催化剂,涉及一种由含氧卤化物或含硫原料制备烯烃产物的方法。