Catalytic partial oxidation using staged oxygen addition
    1.
    发明授权
    Catalytic partial oxidation using staged oxygen addition 失效
    使用分期加氧的催化部分氧化

    公开(公告)号:US06726850B1

    公开(公告)日:2004-04-27

    申请号:US09484378

    申请日:2000-01-14

    IPC分类号: C01B326

    摘要: A multistage catalytic partial oxidation (CPO) process for oxidizing a hydrocarbon feedstream comprising C1-C4 hydrocarbons, with an oxygen-containing feedstream to produce a product comprising CO and H2, also known as synthesis gas or syngas. The process employs a CPO catalyst, and controlled process features, including: (A) the total oxygen requirement for the process is introduced incrementally, in more than one reaction stage, using an oxygen-containing feedstream at more than one feed point in the process, each stage including a catalyst; (B) the oxygen-containing feedstream, hydrocarbon feedstream and, in reaction stages after the first of said multiple stages, the intermediate product produced in the prior stage, are mixed for a period of time, after they are brought into contact with one another, of less than about 1 millisecond to form a substantially uniform mixture, wherein the mixture is then contacted with the catalyst; (C) the oxygen-containing feedstream and the hydrocarbon feedstream are preheated prior to entry into the first stage, to a temperature of from about 450° C. to less than about 1,000° C.; and (D) the mixture temperature of the product in each stage following the first stage is from greater than about 600° C. to less than about 1,000° C. Preferably, the process comprises less than or equal to about five stages, the first stage preheat temperature recited in step (C) is greater than about 550° C. and the mixture temperature of the product in each stage following the first stage is at least 700° C.

    摘要翻译: 用于将包含C1-C4烃的烃进料流与含氧进料流氧化以产生包含CO和H 2的产物(也称为合成气或合成气)的多级催化部分氧化(CPO)方法。 该方法采用CPO催化剂和受控工艺特征,包括:(A)在多于一个反应阶段中,使用含氧进料流在多于一个进料点的过程中逐步引入该方法的总氧需求量 ,每个阶段包括催化剂; (B)含氧进料流,烃类原料流,在上述多阶段第一阶段后的反应阶段中,将前一阶段生产的中间产物在彼此接触后混合一段时间 ,小于约1毫秒以形成基本均匀的混合物,其中混合物然后与催化剂接触; (C)在进入第一阶段之前将含氧进料流和烃进料流预热至约450℃至小于约1,000℃的温度; 和(D)在第一阶段之后的每个阶段中的产物的混合物温度为大于约600℃至小于约1000℃。优选地,该方法包括小于或等于约五个阶段,第一阶段 步骤(C)中所述的阶段预热温度大于约550℃,并且在第一阶段之后的每个阶段中的产品的混合物温度为至少700℃

    Direct hydroformylation of a multi-component synthesis gas containing
carbon monoxide, hydrogen, ethylene, and acetylene
    6.
    发明授权
    Direct hydroformylation of a multi-component synthesis gas containing carbon monoxide, hydrogen, ethylene, and acetylene 失效
    含有一氧化碳,氢气,乙烯和乙炔的多组分合成气的直接加氢甲酰化

    公开(公告)号:US5675041A

    公开(公告)日:1997-10-07

    申请号:US573052

    申请日:1995-12-15

    IPC分类号: C07C45/50

    CPC分类号: C07C45/50 Y02P20/582

    摘要: The invention is a process for production of C.sub.3 to C.sub.6 aldehydes by hydroformylating a mixture containing: (a) C.sub.2 to C.sub.5 olefins and mixtures thereof, and (b) (i) C.sub.2 to C.sub.5 alkynes and mixtures thereof or (ii) C.sub.3 to C.sub.5 cumulated dienes and mixtures thereof or (iii) mixtures of (i) and (ii), with CO, H.sub.2 and a solution of a rhodium complex catalyst produced by complexing Rh and an organophosphorus compound at a concentration of Rh in solution from 1 to 1000 ppm by weight. Alternatively, the solution of rhodium complex catalyst can have a P/Rh atom ratio of at least 30. Alternatively, the solution of rhodium complex catalyst can have a P/Rh atom ratio greater than the value R.sub.L defined by the formula: ##EQU1## in which R.sub.B is the P/Rh ratio sufficient for a catalytically active Rh complex, pKa.sub.TPP is the pKa value for triphenylphosphine, pKa.sub.L is the pKa value for the triorganophosphorus compound, R is the gas constant, and .DELTA.S.sub.B is 35(N-1) cal/mole/.degree.K., N is the number of P-Rh attachments per ligand molecule. The process has utility for the hydroformylation of streams that contain olefins and alkynes.

    摘要翻译: 本发明是通过加氢甲酰化含有:(a)C 2〜C 5烯烃及其混合物的混合物,和(b)(ⅰ)C2〜C5炔烃及其混合物或(ⅱ)C3〜C5 累积的二烯及其混合物,或(iii)(ⅰ)和(ⅱ)的混合物与CO,H 2和铑络合物催化剂的溶液形成,所述铑配合物催化剂是通过使Rh和溶液中Rh浓度为1〜1000的有机磷化合物 重量ppm。 或者,铑络合物催化剂的溶液的P / Rh原子比可以至少为30.另外,铑络合物催化剂的溶液可以具有大于由下式定义的值RL的P / Rh原子比: 其中RB是催化活性Rh配合物的P / Rh比,pKaTPP是三苯基膦的pKa值,pKaL是三有机磷化合物的pKa值,R是气体常数,DELTA SB是35(N-1 )cal / mole / DEGK,N是每个配体分子的P-Rh附着物的数目。 该方法可用于含有烯烃和炔烃的物流的加氢甲酰化。