PROCESSES FOR HYDROGEN CHLORIDE OXIDATION USING OXYGEN
    5.
    发明申请
    PROCESSES FOR HYDROGEN CHLORIDE OXIDATION USING OXYGEN 审中-公开
    氧化氯化氢氧化工艺

    公开(公告)号:US20100010256A1

    公开(公告)日:2010-01-14

    申请号:US12499431

    申请日:2009-07-08

    摘要: Processes which include: (a) providing a gas phase comprising hydrogen chloride; (b) oxidizing the hydrogen chloride in a reactor to form a product gas comprising chlorine, unreacted hydrogen chloride and water, the reactor having structural parts with inner surfaces that are contacted during oxidation by one or both of the gas phase and the product gas; (c) cooling the process gas; (d) separating the unreacted hydrogen chloride and water from the product gas; (e) drying the product gas; and (f) separating the chlorine from the product gas; wherein the inner surfaces of the reactor structural parts that are contacted during oxidation by one or both of the gas phase and the product gas are comprised of a nickel material having a nickel content of at least 60 wt. %, are described.

    摘要翻译: 方法包括:(a)提供包含氯化氢的气相; (b)在反应器中氧化氯化氢以形成包含氯,未反应的氯化氢和水的产物气体,所述反应器具有结构部分,其内表面在气相和产物气体中的一种或两种氧化期间接触; (c)冷却工艺气体; (d)从产物气体中分离未反应的氯化氢和水; (e)干燥产品气体; 和(f)从产物气体中分离氯; 其中通过气相和产物气体中的一种或两种在氧化期间接触的反应器结构部件的内表面由镍含量为至少60重量%的镍材料组成。 %。

    Preparation of triethyl phosphate
    10.
    发明授权
    Preparation of triethyl phosphate 失效
    磷酸三乙酯的制备

    公开(公告)号:US06673955B2

    公开(公告)日:2004-01-06

    申请号:US10302543

    申请日:2002-11-22

    IPC分类号: C07F902

    CPC分类号: C07F9/11

    摘要: The invention relates to a process for preparing triethyl phosphate by reacting phosphorus oxychloride with a greater than stoichiometric quantity of ethanol under reduced pressure at temperatures of from 0 to 50° C. in a reaction vessel, wherein a) the volatile components resulting from the reaction are predominantly condensed by means of a reflux condenser and the remaining volatile components are passed into a scrubber filled with water, b) after the end of the reaction, the reaction mixture is separated distillatively in an outgassing column into a top product and a bottom product which predominantly comprises triethyl phosphate, c) the top product of the outgassing column is combined with the contents of the scrubber and d) the contents of the scrubber are separated distillatively in an azeotropic distillation to obtain water and ethanol as top product and the ethanol, preferably after dewatering, is preferably returned to the reaction.

    摘要翻译: 本发明涉及通过在反应容器中在0至50℃的温度下在减压下使磷酰氯与大于化学计量的乙醇反应来制备磷酸三乙酯的方法,其中a)由反应产生的挥发性组分为 主要通过回流冷凝器冷凝,剩余的挥发性成分进入填充有水的洗涤器,b)在反应结束后,将反应混合物在脱气塔中蒸馏分离成顶部产物和底部产物, 主要包括磷酸三乙酯,c)除气塔的顶部产物与洗涤器的内容物组合,d)洗涤器的内容物在共沸蒸馏中蒸馏分离,得到水和乙醇作为顶级产物和乙醇,优选在 脱水,优选返回到反应中。