Method for the production of formaldehyde
    45.
    发明申请
    Method for the production of formaldehyde 有权
    甲醛生产方法

    公开(公告)号:US20040254402A1

    公开(公告)日:2004-12-16

    申请号:US10312520

    申请日:2003-07-03

    Inventor: Giancarlo Sioli

    Abstract: A method for formaldehyde production through catalytic oxidation of methanol, comprising the steps of feeding to a first oxidation catalytic bed (2) a gas flow comprising methanol and oxygen at a predetermined crossing linear flow rate, obtaining at the outlet of said first catalytic bed (2) a flow of gaseous reaction products comprising unreacted methanol, and feeding the flow of gaseous products to a second oxidation catalytic bed (6) is distinguished by the fact that the flow of gaseous reaction products comprising unreacted methanol is fed to the second catalytic bed (6) with a crossing linear flow rate substantially equal to said predetermined first catalytic bed (2) feeding flow rate.

    Abstract translation: 一种通过甲醇的催化氧化生产甲醛的方法,包括以下步骤:以预定的交联线性流速向第一氧化催化床(2)供给包含甲醇和氧气的气流,在所述第一催化床的出口 2)包含未反应的甲醇的气态反应产物流并将气态产物流送入第二氧化催化剂床(6)的特征在于将包含未反应的甲醇的气态反应产物的流量送入第二催化床 (6),其交叉线性流速基本上等于所述预定的第一催化床(2)进料流量。

    Pulsed flow preferential oxidation reactor
    49.
    发明申请
    Pulsed flow preferential oxidation reactor 审中-公开
    脉冲流优先氧化反应器

    公开(公告)号:US20020018738A1

    公开(公告)日:2002-02-14

    申请号:US09827258

    申请日:2001-04-05

    Abstract: A multi-stage preferential oxidation reactor for removing carbon-monoxide from a product-gas comprises at least one preferential oxidation reactor stage having a product-gas stream inlet end and a product-gas stream outlet end. A first inlet is provided to introduce the product-gas stream into the preferential oxidation reactor stage, and is located at the product-gas stream inlet end of the preferential oxidation reactor stage. The first inlet is configured with a pulsator for pulsing the flow of the product-gas stream into the preferential oxidation reactor stage. A second inlet is also provided to introduce an oxidant into the preferential oxidation reactor stage. The second inlet is located at the product-gas stream inlet end of the oxidizer preferential oxidation reactor stage. An outlet is provided for removal of the treated product-gas stream from the preferential oxidation reactor stage.

    Abstract translation: 用于从产物气体中除去一氧化碳的多级优先氧化反应器包括至少一个具有产物 - 气流入口端和产物气流出口端的优先氧化反应器级。 提供第一入口以将产物气流引入优先氧化反应器阶段,并且位于优先氧化反应器阶段的产物 - 气流入口端。 第一入口配置有用于使产物气流的流动脉动到优先氧化反应器阶段的脉动器。 还提供第二入口以将氧化剂引入优先氧化反应器阶段。 第二个入口位于氧化剂优先氧化反应器阶段的产物 - 气流入口端。 提供出口用于从优先氧化反应器阶段除去经处理的产物 - 气流。

    Device and method for holding catalyst in a radial flow reactor
    50.
    发明授权
    Device and method for holding catalyst in a radial flow reactor 失效
    在径向流动反应器中保持催化剂的装置和方法

    公开(公告)号:US06221320B1

    公开(公告)日:2001-04-24

    申请号:US08147086

    申请日:1993-11-03

    Abstract: A device for holding catalyst in a radial flow reactor includes a plurality of catalyst containers each of which is a segment of a cylinder divided in the axial plane thereof. Each catalyst container has a cross section of a size which enables the container to be carried in and out of the radial fow reactor through an opening formed in an upper or lower portion of the radial flow reactor, and includes a screen provided on a liquid inlet side and a screen provided on a liquid outlet side. The catalyst containers are assembled together to form a cylindrical catalyst bed in the radial flow reactor. The catalyst containers attains a uniform thickness of a catalyst bed in a radial direction between its inlet side and outlet side over the entire height of the cylindrical catalyst bed. One or more catalyst containers requiring checking or repair only can be taken out of the reactor.

    Abstract translation: 用于在径向流动反应器中保持催化剂的装置包括多个催化剂容器,每个催化剂容器是在其轴向平面上划分的气缸的段。 每个催化剂容器具有的尺寸的横截面使得容器能够通过形成在径向流动反应器的上部或下部的开口进入和离开径向母体反应器,并且包括设置在液体入口上的筛网 侧面和设置在液体出口侧的筛子。 将催化剂容器组装在一起以在径向流动反应器中形成圆柱形催化剂床。 催化剂容器在圆柱形催化剂床的整个高度上在其入口侧和出口侧之间沿径向方向获得均匀的催化剂床厚度。 可以将仅需要检查或修理的一个或多个催化剂容器从反应器中取出。

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