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    • 91. 发明公开
    • Process to make olefins from oxygenates
    • 一种用于从含氧化合物制备烯烃的过程
    • EP2143700A1
    • 2010-01-13
    • EP08158924.4
    • 2008-06-25
    • Total Petrochemicals Research Feluy
    • Nesterenko, NikolaiVermeiren, WalterGarcia, Wolfgang
    • C07C1/20C07C4/06B01J37/28B01J29/40
    • B01J29/06B01J29/40B01J29/90B01J37/0009B01J37/28B01J38/30B01J2229/18B01J2229/36B01J2229/37B01J2229/42C07C1/20C07C4/06C07C11/02C07C11/04C07C11/06C07C2529/40C07C2529/70Y02P20/52Y02P20/584
    • The present invention relates to a process to make light olefins, in a combined XTO-OCP process, from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock comprising :
      a) providing a catalyst comprising zeolitic molecular sieves containing 10 member and larger channels in their microporous structure,
      b) providing an XTO reaction zone, an OCP reaction zone and a catalyst regeneration zone, said catalyst circulating in the three zones, such that at least a portion of the regenerated catalyst is passed to the OCP reaction zone, at least a portion of the catalyst in the OCP reaction zone is passed to the XTO reaction zone and at least a portion of the catalyst in the XTO reaction zone is passed to the regeneration zone;
      c) contacting said oxygen-containing, halogenide-containing or sulphur-containing organic feedstock in the XTO reactor with the catalyst at conditions effective to convert at least a portion of the feedstock to form a XTO reactor effluent comprising light olefins and a heavy hydrocarbon fraction;
      d) separating said light olefins from said heavy hydrocarbon fraction;
      e) contacting said heavy hydrocarbon fraction in the OCP reactor with the catalyst at conditions effective to convert at least a portion of said heavy hydrocarbon fraction to light olefins.
    • 本发明涉及一种工艺,使轻烯烃在组合的XTO-OCP方法,从含氧,或有机原料包括含硫的含卤化物-:含有10构件a)提供一种催化剂,包含沸石分子筛和 在它们的微孔结构较大的通道,b)在OCP在反应区和催化剂再生区XTO反应区提供,所述催化剂循环在三个区域,求并至少将再生催化剂的一部分被传递到OCP反应区 中,至少在OCP反应区中的催化剂的一部分被传递到所述XTO反应区和至少在所述XTO反应区中的催化剂的一部分被传递到所述再生区; c)使所述含氧,卤化物含或含硫在XTO反应器的有机原料与所述催化剂在有效地至少原料的一部分转化以形成XTO反应器流出物包括轻质烯烃和重质烃级分的条件 ; d)分离与所述重质烃级分。所述轻质烯烃; E)中接触所述与在有效条件下催化剂中的OCP反应器的重质烃馏分的至少所述重质烃馏分的一部分转化为轻质烯烃。
    • 92. 发明公开
    • Process for making crystalline metallosilicates
    • 制造结晶金属硅酸盐的方法
    • EP2130585A1
    • 2009-12-09
    • EP08157768.6
    • 2008-06-06
    • Total Petrochemicals Research Feluy
    • Bulut, MetinJacobs, PierreMinoux, DelphineNesterenko, NikolaiDath, Jean-PierreVan Donk, Sander
    • B01J29/40C01B39/36C10G11/05C01B39/40
    • C01B39/02B01J29/06B01J29/40B01J2229/62C01B39/38C01B39/40C01B39/44C01B39/445C01B39/46C01B39/48C07C2/66C07C2529/70C10G11/05C10G45/64C07C15/02
    • The present invention relates to a process for making a crystalline metallosilicate composition and comprising crystallites having an inner part (the core) and an outer part (the outer layer or shell) such that :
      the ratio Si/Metal is higher in the outer part than in the inner part,
      the crystallites have a continuous distribution of metal and silicon over the crystalline cross-section,
      said process comprising :
      a) providing an aqueous medium comprising OH - anions and a metal source,
      b) providing an aqueous medium comprising an inorganic source of silicon and optionally a templating agent,
      c) optionally providing a non aqueous liquid medium comprising optionally an organic source of silica,
      d) mixing the medium a), b) and the optional c) at conditions effective to partly crystallize the desired metallosilicate,
      e) cooling down the reaction mixture a)+b)+c) to about room temperature,
      f) decreasing the pH of the reaction mixture by at least 0.1 preferably by 0.3 to 4, more preferably by 0.5 to 3,
      g) subjecting the resulting mixture of step f) at conditions effective to continue the crystallization of the desired metallosilicate,
      h) recovering the desired metallosilicate,

      wherein at step d) in the mixture a)+b)+c), before crystallization,
      the ratio Si org/Si inorganic is
      the molar ratio OH - /SiO 2 is at least 0.3, preferably from 0.3 to 0.6 and more preferably from 0.33 to 0.6 .
    • 本发明涉及一种制造结晶金属硅酸盐组合物的方法,该方法包括具有内部部分(芯部)和外部部分(外层或外壳)的微晶,使得:外部部分中Si /金属的比率高于 在内部,微晶在结晶横截面上具有金属和硅的连续分布,所述方法包括:a)提供包含OH-阴离子和金属源的水性介质,b)提供包含无机物 硅源和任选的模板剂,c)任选地提供包含任选有机二氧化硅源的非水性液体介质,d)在有效部分结晶所需金属硅酸盐的条件下混合介质a),b)和任选c) e)将反应混合物a)+ b)+ c)冷却至约室温,f)将反应混合物的pH降低至少0.1,优选0.3至4,更优选0 g)使得到的步骤f)的混合物在有效继续所需金属硅酸盐结晶的条件下进行,h)回收所需的金属硅酸盐,其中在步骤d)中混合物a)+ b)+ c) ,在结晶之前,Si org / Si无机比率<0.3,有利地<0.2且优选0,OH- / SiO 2摩尔比至少为0.3,优选为0.3-0.6,更优选为0.33-0.6。