Method for processing hydrocarbon pyrolysis effluent
    2.
    发明申请
    Method for processing hydrocarbon pyrolysis effluent 有权
    烃热解流出物的处理方法

    公开(公告)号:US20070007170A1

    公开(公告)日:2007-01-11

    申请号:US11177076

    申请日:2005-07-08

    IPC分类号: C10G9/00 B01D53/34 F01N3/10

    摘要: A method is disclosed for treating gaseous effluent from a hydrocarbon pyrolysis unit to provide steam cracked tar of reduced asphaltene and toluene insolubles content. The method is suitable for preparing reduced viscosity tar useful as a fuel blending stock, or feedstock for producing carbon black, while reducing or eliminating the need for externally sourced lighter aromatics additives to meet viscosity specifications. The method comprises drawing steam cracked tar from a separation vessel, e.g., a primary fractionator or tar knock-out drum, cooling the tar, and returning it to the separation vessel to effect lower overall tar temperatures within the separation vessel, in order to reduce viscosity increasing condensation reactions. An apparatus for carrying out the method is also provided.

    摘要翻译: 公开了一种用于处理来自烃热解单元的气态流出物以提供减少的沥青质和甲苯不溶物含量的蒸汽裂化焦油的方法。 该方法适用于制备用作燃料混合原料的还原粘度焦油或用于生产炭黑的原料,同时减少或消除对来自外部的较轻芳烃添加剂以满足粘度规格的需要。 该方法包括从分离容器(例如主分馏器或焦油脱除鼓)中抽出蒸汽裂解焦油,冷却焦油,并将其返回到分离容器中以降低分离容器内的总焦油温度,以便减少 粘度增加缩合反应。 还提供了一种用于执行该方法的装置。