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    • 8. 发明授权
    • Adsorbent for feed and products purification in benzene saturation process
    • 苯饱和过程中的饲料和产品净化用吸附剂
    • US08314277B2
    • 2012-11-20
    • US13151449
    • 2011-06-02
    • Vladislav I. KanazirevJayant K. GorawaraDana K. SullivanRichard R. Rosin
    • Vladislav I. KanazirevJayant K. GorawaraDana K. SullivanRichard R. Rosin
    • C07C5/10
    • C07C7/12C07C15/04
    • The service life and deactivation rate of a benzene saturation catalyst is improved through use of a new sulfur guard bed containing a chloride additive. This sulfur guard bed, which contains supported CuO material having an increased resistance to reduction, shows such improvement. Thus, the danger of run-away reduction followed by a massive release of water and deactivation of an isomerization catalyst is practically eliminated. The fact that the guard bed material preserves the active metal phase-copper in an active (oxide) form is an important advantage leading to very low sulfur content in the product stream. The sulfur capacity per unit weight of sorbent is also significantly increased, making this sorbent a superior cost effective sulfur guard product. The guard bed is effective in treating mixed phase feed streams.
    • 通过使用含有氯化物添加剂的新型硫磺保护床,可提高苯饱和催化剂的使用寿命和失活率。 这种含有具有增加的还原性能的负载型CuO材料的硫磺保护床显示出这种改进。 因此,实际上消除了逃逸减少的危险,随后大量释放水并使异构化催化剂失活。 保护床材料以活性(氧化物)形式保留活性金属相铜的事实是导致产物流中硫含量非常低的重要优点。 吸附剂每单位重量的硫含量也显着增加,使得该吸附剂成为一种优异的成本效益的硫磺防护产品。 防护床在处理混合相进料物流中是有效的。