Gold-based catalysts for acetylene hydrochlorination
    6.
    发明申请
    Gold-based catalysts for acetylene hydrochlorination 审中-公开
    用于乙炔氢氯化的金基催化剂

    公开(公告)号:US20140213437A1

    公开(公告)日:2014-07-31

    申请号:US13753535

    申请日:2013-01-30

    IPC分类号: B01J27/26 B01J27/10

    摘要: Powder catalysts that comprise particles of chemical compounds of Au and Cu deposited on acid-washed carbon-based supports are effective catalysts in ethyne hydrochlorination to produce vinyl chloride monomers (VCMs). They give a high selectivity and productivity of VCM and decreased amounts of the byproducts of chloroethane, dichloroethane and others. Thiocyanates are used as complexing agents to extend the catalyst lifetime. The activity of the catalyst is enhanced by doping nitrogen atoms into the support.

    摘要翻译: 包含沉积在酸洗碳基载体上的Au和Cu的化学化合物颗粒的粉末催化剂是乙炔氢氯化生产氯乙烯单体(VCM)的有效催化剂。 它们具有VCM的高选择性和生产率,并减少氯乙烷,二氯乙烷等副产物的量。 硫氰酸酯用作络合剂以延长催化剂寿命。 催化剂的活性通过将氮原子掺入载体而得到增强。

    FLUIDIZED BED REACTOR AND PROCESS FOR PRODUCING OLEFINS FROM OXYGENATES
    7.
    发明申请
    FLUIDIZED BED REACTOR AND PROCESS FOR PRODUCING OLEFINS FROM OXYGENATES 有权
    流化床反应器和从氧化剂生产烯烃的方法

    公开(公告)号:US20140121434A1

    公开(公告)日:2014-05-01

    申请号:US14124502

    申请日:2012-05-30

    IPC分类号: C07C1/22 B01J8/24

    摘要: The present invention provides a fluidized bed reactor and its use for producing olefins from oxygenates, the fluidized bed reactor comprises: a reaction zone located in the lower portion of the fluidized bed reactor and comprising a lower dense phase zone and an upper riser, wherein the dense phase zone and the riser are connected with each other transitionally; a separation zone located in the upper portion of the fluidized bed reactor and comprising a settling chamber, a fast gas-solid separation means, a cyclone and a gas collecting chamber, wherein the riser extends upwardly into the separation zone and is connected at its outlet with the inlet of the fast gas-solid separation means, the fast gas-solid separation means is connected at its outlet with the inlet of the cyclone via a fast gas passage, the cyclone is connected at its outlet with the gas collecting chamber, and the gas collecting chamber is located below the reactor outlet and connected therewith; and a catalyst recycle line for recycling the catalyst from the settling chamber back to the dense phase zone, a catalyst withdrawl line for withdrawing the deactivated catalyst from the settling chamber and/or the dense phase zone to the catalyst regeneration means, and a catalyst return line for returning the regenerated catalyst from the catalyst regeneration means to the dense phase zone.

    摘要翻译: 本发明提供了一种流化床反应器及其用于从含氧化合物生产烯烃的用途,该流化床反应器包括:反应区,位于流化床反应器的下部,并包含下部致密相区和上部提升管,其中 密相区和提升管相互连接; 位于流化床反应器上部的分离区,包括沉降室,快速气固分离装置,旋风分离器和气体收集室,其中提升管向上延伸进入分离区并连接在其出口 随着快速气固分离装置的入口,快速气固分离装置通过快速气体通道在其出口与旋风分离器的入口连接,旋风分离器在其出口与气体收集室连接, 气体收集室位于反应器出口下方并与之连接; 以及用于将催化剂从沉降室再循环回密相区域的催化剂再循环管线,用于将去活化催化剂从沉降室和/或致密相区域抽出到催化剂再生装置的催化剂提取管线和催化剂返回 用于将再生催化剂从催化剂再生装置返回到致密相区的管线。

    Fluidized bed reactor and process for producing olefins from oxygenates
    8.
    发明授权
    Fluidized bed reactor and process for producing olefins from oxygenates 有权
    流化床反应器和从含氧化合物生产烯烃的方法

    公开(公告)号:US09403735B2

    公开(公告)日:2016-08-02

    申请号:US14124502

    申请日:2012-05-30

    摘要: The present invention provides a fluidized bed reactor and its use for producing olefins from oxygenates, the fluidized bed reactor comprises: a reaction zone located in the lower portion of the fluidized bed reactor and comprising a lower dense phase zone and an upper riser, wherein the dense phase zone and the riser are connected with each other transitionally; a separation zone located in the upper portion of the fluidized bed reactor and comprising a settling chamber, a fast gas-solid separation means, a cyclone and a gas collecting chamber, wherein the riser extends upwardly into the separation zone and is connected at its outlet with the inlet of the fast gas-solid separation means, the fast gas-solid separation means is connected at its outlet with the inlet of the cyclone via a fast gas passage, the cyclone is connected at its outlet with the gas collecting chamber, and the gas collecting chamber is located below the reactor outlet and connected therewith; and a catalyst recycle line for recycling the catalyst from the settling chamber back to the dense phase zone, a catalyst withdrawl line for withdrawing the deactivated catalyst from the settling chamber and/or the dense phase zone to the catalyst regeneration means, and a catalyst return line for returning the regenerated catalyst from the catalyst regeneration means to the dense phase zone.

    摘要翻译: 本发明提供了一种流化床反应器及其用于从含氧化合物生产烯烃的用途,该流化床反应器包括:反应区,位于流化床反应器的下部,并包含下部致密相区和上部提升管,其中 密相区和提升管相互连接; 位于流化床反应器上部的分离区,包括沉降室,快速气固分离装置,旋风分离器和气体收集室,其中提升管向上延伸进入分离区并连接在其出口 随着快速气固分离装置的入口,快速气固分离装置通过快速气体通道在其出口与旋风分离器的入口连接,旋风分离器在其出口与气体收集室连接, 气体收集室位于反应器出口下方并与之连接; 以及用于将催化剂从沉降室再循环回密相区域的催化剂再循环管线,用于将去活化催化剂从沉降室和/或致密相区域抽出到催化剂再生装置的催化剂提取管线和催化剂返回 用于将再生催化剂从催化剂再生装置返回到致密相区的管线。

    Method and apparatus to measure gas amounts adsorbed on a powder sample
    9.
    发明授权
    Method and apparatus to measure gas amounts adsorbed on a powder sample 失效
    测量吸附在粉末样品上的气体量的方法和装置

    公开(公告)号:US06981426B2

    公开(公告)日:2006-01-03

    申请号:US10736829

    申请日:2003-12-15

    IPC分类号: G01N15/08

    摘要: A method and apparatus for measuring the gas amounts adsorbed on a powder which directly measures pressure changes in a gas supply chamber with the use of differential pressure sensors between the gas supply chamber and a reference chamber which gas amount is maintained constant. Calculations of the gas amounts adsorbed are based on the pressure changes in a sample cell and the pressure changes in the gas supply chamber or a gas reference chamber. The method and apparatus of this invention measures the adsorption or desorption isotherm or gas uptake at constant pressure curve of a powder with, as compared with presently available measurement techniques, increased accuracy and resolution. The experimental data can be analyzed to obtain information on the surface area, pore size distribution, pore volume, pore structure and diffusion coefficient of the powder.

    摘要翻译: 一种用于测量吸附在粉末上的气体量的方法和装置,其直接测量气体供应室中的压力变化,其中使用气体供应室和参考室之间的差压传感器,气体量保持恒定。 吸附气体量的计算基于样品池中的压力变化和气体供应室或气体参考室中的压力变化。 本发明的方法和装置测量了与目前可用的测量技术相比,粉末的恒定压力曲线下的吸附或解吸等温线或气体吸收增加了精度和分辨率。 可以分析实验数据,获得粉末的表面积,孔径分布,孔体积,孔结构和扩散系数的信息。