Process for producing an alkylene oxide by olefin epoxidation
    2.
    发明授权
    Process for producing an alkylene oxide by olefin epoxidation 有权
    通过烯烃环氧化制备烯化氧的方法

    公开(公告)号:US08859791B2

    公开(公告)日:2014-10-14

    申请号:US13878659

    申请日:2011-10-11

    IPC分类号: C07D301/12 C07D303/04

    CPC分类号: C07D301/12 C07D303/04

    摘要: A process for producing an alkylene oxide by olefin epoxidation, wherein said process comprises the steps of: (1) in a first olefin epoxidation condition, in the presence of a first solid catalyst, a first mixed stream containing a solvent, an olefin and H2O2 is subjected to an epoxidation in one or more fixed bed reactors and/or one or more moving bed reactors until the conversion of H2O2 reaches 50%-95%, then, optionally, the resulting reaction mixture obtained in the step (1) is subjected to a separation to obtain a first stream free of H2O2 and a second stream containing the unreacted H2O2, and the olefin is introduced to the second stream to produce a second mixed stream, or optionally, the olefin is introduced to the reaction mixture obtained in the step (1) to produce a second mixed stream; (2) in a second olefin epoxidation condition, the reaction mixture obtained in the step (1) or the second mixed stream obtained in the step (1) and a second solid catalyst are introduced to one or more slurry bed reactors to conduct an epoxidation until the total conversion of H2O2 reaches 98% or more, with a proviso that said process for producing the alkylene oxide by olefin epoxidation has an selectivity for the alkylene oxide of 90% or more.The process of the present invention combines the slurry bed reactor with the fixed bed reactor and/or the moving bed reactor so as to overcome the disadvantages of the low conversion of H2O2 in the case that only the fixed bed reactor and/or the moving bed reactor are used, and the low selectivity for the target alkylene oxide in the case that only the slurry bed reactor is used.

    摘要翻译: 一种通过烯烃环氧化生产烯化氧的方法,其中所述方法包括以下步骤:(1)在第一烯烃环氧化条件下,在第一固体催化剂存在下,将含有溶剂,烯烃和H 2 O 2的第一混合物流 在一个或多个固定床反应器和/或一个或多个移动床反应器中进行环氧化,直到H 2 O 2的转化率达到50%-95%,然后,任选地,将在步骤(1)中获得的所得反应混合物 以分离以获得不含H 2 O 2的第一物流和含有未反应的H 2 O 2的第二物流,并将烯烃引入第二物流以产生第二混合物流,或任选地将烯烃引入到 步骤(1)以产生第二混合流; (2)在第二烯烃环氧化条件下,将步骤(1)中获得的反应混合物或步骤(1)中获得的第二混合物流和第二固体催化剂引入一个或多个淤浆床反应器中进行环氧化 直到H 2 O 2的总转化率达到98%以上,条件是通过烯烃环氧化生产环氧烷烃的方法对环氧烷烃的选择性为90%以上。 本发明的方法将淤浆床反应器与固定床反应器和/或移动床反应器结合,以克服在只有固定床反应器和/或移动床的情况下H 2 O 2转化率低的缺点 使用反应器,在仅使用浆料床反应器的情况下对目标烯化氧的选择性低。

    Process for producing ethylene from ethanol combining the catalytic conversion of hydrocarbons
    4.
    发明授权
    Process for producing ethylene from ethanol combining the catalytic conversion of hydrocarbons 有权
    从乙醇生产乙烯的方法,结合烃的催化转化

    公开(公告)号:US08273930B2

    公开(公告)日:2012-09-25

    申请号:US12373585

    申请日:2007-07-12

    IPC分类号: C07C1/24

    摘要: A process for producing ethylene from ethanol combining the catalytic conversion of hydrocarbons: an ethanol feedstock is contacted with a Y-zeolite containing catalyst to give a product stream, and a coked catalyst and an target product of ethylene are obtained after separating the reaction stream; a hydrocarbon feedstock is contacted with a Y-zeolite containing catalyst to give a product stream, a spent catalyst and an oil vapor are obtained after separating the reaction stream, and the oil vapor is further separated to give the products such as gas, gasoline and the like; a part or all of the coked catalyst and a part or all of the spent catalyst enter the regenerator for the coke-burning regeneration, and the regenerated catalyst is divided into two portions, wherein one portion returns to be contacted with the hydrocarbon feedstock, and the other portion, after cooling, returns to be contacted with ethanol feedstock. This process not only reasonably utilizes the excessive thermal energy of the hydrocarbon conversion, but also solves the problem of heat supply for the conversion of ethanol, thus ensuring the continuous catalytic conversion of ethanol and generating enormous economic benefits. For the catalytic conversion of the ethanol, the content of ethylene is 95 vol % or more in the gas product; and the conversion of ethylene is not less than 99%. For the catalytic conversion of the hydrocarbons, the yield for the light olefins increases slightly by at least 2 mol %.

    摘要翻译: 将乙烯的催化转化合成乙醇的方法:将乙醇原料与含Y-沸石的催化剂接触,得到产物流,分离出反应物流后得到结焦催化剂和乙烯目标产物; 将烃原料与含Y-沸石的催化剂接触,得到产物流,分离反应流后得到废催化剂和油蒸气,并进一步分离出油蒸汽,得到产物如气体,汽油和 类似; 一部分或全部的焦化催化剂和一部分或全部废废催化剂进入再生器进行焦炭燃烧再生,再生催化剂分成两部分,其中一部分返回以与烃原料接触,和 冷却后的另一部分返回与乙醇原料接触。 这个过程不仅合理利用了烃转化的过量热能,而且解决了乙醇转化的供热问题,从而保证了乙醇的连续催化转化,产生了巨大的经济效益。 对于乙醇的催化转化,气体产物中乙烯的含量为95体积%以上; 乙烯的转化率不低于99%。 对于烃的催化转化,轻质烯烃的产率略微增加至少2摩尔%。

    Zeolite-containing hydrocarbon-converting catalyst, the preparation process thereof, and a process for converting hydrocarbon oils with the catalyst
    5.
    发明授权
    Zeolite-containing hydrocarbon-converting catalyst, the preparation process thereof, and a process for converting hydrocarbon oils with the catalyst 有权
    含沸石的烃转化催化剂,其制备方法以及用催化剂转化烃油的方法

    公开(公告)号:US07923399B2

    公开(公告)日:2011-04-12

    申请号:US11547209

    申请日:2005-03-31

    IPC分类号: B01J29/42

    摘要: A catalyst for converting hydrocarbons includes, based on the weight of the catalyst, 1-60% by weight of a zeolite, 0.1-10% by weight of an assistant catalytic component, 5-98% by weight of a thermotolerant inorganic oxide, and 0-70% by weight of a clay in terms of the oxide. The zeolite is a MFI-structured zeolite-containing phosphor and transition metal(s) or a mixture of the zeolite and a macroporous zeolite, which comprises, based on the weight of the mixture, 75-100% by weight of said MFI-structured zeolite containing phosphor and transition metal(s) and 0-25% by weight of the macroporous zeolite. In terms of the mass of the oxide, the MFI-structured zeolite containing phosphor and transition metal(s) has the following anhydrous chemical formula: (0-0.3)Na2O.(0.3-5.5)Al2O3.(1.0-10)P2O5.(0.7-15)M1xOy.(0.01-5)M2mOn(0-10)RE2O3.(70-97)SiO2  I or (0-0.3)Na2O.(0.3-5)Al2O3.(1.0-10)P2O5.(0.7-15)MpOq.(0-10)RE2O3.(70-98)SiO2  II The assistant catalytic component is one or more selected from the group consisting of the alkali earth metals, Group IVB metals, non-noble metals of Group VIII, and rare earth metals of the Periodic Table of the Elements. This catalyst has a higher ability to convert petroleum hydrocarbons and higher yields for propylene, ethylene, and light aromatics.

    摘要翻译: 用于转化烃的催化剂包括基于催化剂的重量,1-60重量%的沸石,0.1-10重量%的助催化组分,5-98重量%的耐热无机氧化物,和 以氧化物换算0-70重量%的粘土。 沸石是含有MFI结构的含沸石的磷光体和过渡金属或沸石与大孔沸石的混合物,其基于混合物的重量,包含所述MFI结构的75-100重量% 含沸石的磷光体和过渡金属和0-25重量%的大孔沸石。 就氧化物的质量而言,含有荧光粉和过渡金属的MFI结构的沸石具有以下无水化学式:(0-0.3)Na2O(0.3-5.5)Al2O3(1.0-10)P2O5。 (0.7-15)M1xOy(0.01-5)M2mOn(0-10)RE2O3(70-97)SiO2 I或(0-0.3)Na2O(0.3-5)Al2O3(1.0-10)P2O5( 0.7-15)MpOq。(0-10)RE2O3。(70-98)SiO2 II助催化剂组分是选自碱金属,ⅣB族金属,Ⅷ族非贵金属的一种或多种 ,元素周期表中的稀土金属。 该催化剂具有较高的转化石油烃的能力和较高的丙烯,乙烯和轻质芳族化合物的产率。

    Titanium-silicalite molecular sieve and the method for its preparation
    8.
    发明授权
    Titanium-silicalite molecular sieve and the method for its preparation 有权
    钛 - 硅沸石分子筛及其制备方法

    公开(公告)号:US06475465B2

    公开(公告)日:2002-11-05

    申请号:US09732100

    申请日:2000-12-06

    IPC分类号: C01B3700

    CPC分类号: C01B37/005 Y10S423/22

    摘要: The present invention relates to a titanium-silicalite (TS-1) molecular sieve and the method for preparation of the same, wherein each crystallite of said titanium-silicalite molecular sieve has a hollow cavity with a radial length of 5-300 nm. The benzene adsorption capacity of the molecular sieve determined at 25° C. and P/P0=0.10 for 1 hour is at least 70 mg/g; and the method for preparation of said molecular sieve comprises an acid-treatment and then an organic-base treatment of the synthesized TS-1 molecular sieve, or only an organic-base treatment. The TS-1 molecular sieve of the present invention has a relatively high reactivity and activity stability in the catalytic oxidation.

    摘要翻译: 本发明涉及钛 - 硅沸石(TS-1)分子筛及其制备方法,其中所述钛 - 硅沸石分子筛的每个微晶具有径向长度为5-300nm的中空腔。 在25℃和P / P0 = 0.10下测定1小时的分子筛的苯吸附能力为至少70mg / g; 并且所述分子筛的制备方法包括对所合成的TS-1分子筛进行酸处理,然后进行有机碱处理,或仅进行有机碱处理。 本发明的TS-1分子筛在催化氧化中具有较高的反应活性和活性稳定性。

    Phosphorous containing zeolite having MFI type structure
    9.
    发明授权
    Phosphorous containing zeolite having MFI type structure 失效
    含有MFI型结构的含磷沸石

    公开(公告)号:US5951963A

    公开(公告)日:1999-09-14

    申请号:US46630

    申请日:1998-03-24

    IPC分类号: B01J29/85 C01B39/10 C01B39/46

    摘要: The present invention discloses a phosphorus-containing zeolite having MFI type structure. The anhydrous composition (based on the mole ratios of oxides) of the above zeolite is0.01-0.3Na.sub.2 O.Al.sub.2 O.sub.3.0.2-1.5P.sub.2 O.sub.5.30-90SiO.sub.2Said zeolite possesses a X-ray diffraction pattern listed in Table 1. The pore volume ratio of 1.0-10 nm mesopore to 10-membered ring pore is no less than 0.5. The crystal particle size of said zeolite is in the range of 0.8-2.0 micron. Said zeolite exhibits superior hydrothermal stability in catalytic conversion of hydrocarbons. Especially, when said zeolite is applied in catalytic cracking of hydrocarbons, it will enhance the crackability of large molecules, improve gasoline octane value and stability, and reduce the sulfur content in the gasoline as well.

    摘要翻译: 本发明公开了具有MFI型结构的含磷沸石。 上述沸石的无水组成(基于氧化物的摩尔比)为0.01-0.3Na2O.Al2O3.0.2-1.5P2O5.30-90SiO2所述沸石具有表1中列出的X射线衍射图。孔体积 1.0-10nm中孔与10元环孔的比例不小于0.5。 所述沸石的晶体粒度在0.8-2.0微米的范围内。 所述沸石在烃的催化转化中表现出优异的水热稳定性。 特别是当所述沸石用于烃的催化裂化时,会提高大分子的裂解性,提高汽油辛烷值和稳定性,并降低汽油中的硫含量。