Process for desulfurizing a catalytic cracking or steam cracking effluent
    4.
    发明授权
    Process for desulfurizing a catalytic cracking or steam cracking effluent 失效
    催化裂化或蒸汽裂解流出物脱硫的方法

    公开(公告)号:US4397739A

    公开(公告)日:1983-08-09

    申请号:US235799

    申请日:1981-02-19

    CPC分类号: C10G69/02 C10G2400/02

    摘要: Catalytic cracking or steam cracking effluents are desulfurized without substantial decrease of their octane number by subdividing said effluent into two fractions of different boiling ranges, the heavier of which is admixed with hydrogen, the resulting mixture being completely vaporized and fed to a hydrodesulfurization zone containing a first bed of selective catalyst formed of cobalt and molybdenum, or cobalt and tungsten, or nickel and molybdenum or nickel and tungsten deposited on a non-acid carrier, and a second bed of conventional hydrodesulfurization catalyst, the effluent from the hydrodesulfurization zone being cooled down and fractionated to separate a hydrocarbon fraction of the gasoline range which is recombined with the lighter fraction of said effluent.

    摘要翻译: 催化裂化或蒸汽裂解废水通过将所述流出物细分为两个不同沸点范围的两个馏分进行脱硫而基本上不降低其辛烷值,其中较重的馏分与氢气混合,所得混合物完全蒸发,并进料至加氢脱硫区, 由钴和钼或钴和钨或沉积在非酸性载体上的镍和钼或镍和钨形成的选择性催化剂的第一床和常规加氢脱硫催化剂的第二床,来自加氢脱硫区的流出物被冷却 并分馏以分离汽油范围的烃馏分,其与所述流出物的较轻馏分重组。

    Process and device for withdrawing solid particles and introducing a
liquid charge at the lower part of a contact zone
    9.
    发明授权
    Process and device for withdrawing solid particles and introducing a liquid charge at the lower part of a contact zone 失效
    用于取出固体颗粒并在接触区的下部引入液体电荷的方法和装置

    公开(公告)号:US4444653A

    公开(公告)日:1984-04-24

    申请号:US463183

    申请日:1983-02-02

    CPC分类号: B01J8/12 C10G49/14

    摘要: Catalysts solid particles are supplied to a vertical reactor for the catalytic treatment of fluid charges, at the upper part of said reactor and are progressively withdrawn from the lower part thereof either continuously or periodically through a funnel having the shape of an inverted cone or an inverted pyramid. At least a portion of the charge is introduced at the lower part of the reactor through orifices above the walls of the funnel at a distance thereof from 1 to 500 times the average size of a catalyst particle.

    摘要翻译: 将催化剂固体颗粒供应到用于催化处理流体装料的立式反应器,在所述反应器的上部,并且连续地或周期性地从其下部逐渐地通过具有倒锥形或倒置的形状的漏斗 金字塔。 电荷的至少一部分在反应器的下部通过漏斗壁上方的孔口与催化剂颗粒平均尺寸的1至500倍的距离引入反应器的下部。