The feed stock is straight run naphtha, with the containing olefins and sulfur contaminants increasing, the developed catalyst for the prehydrogenation process of catalyst reforming, has higher activity and stability.
本文以直馏石脑油为原料,针对原料烯烃、硫含量增加的特点,开发一种具有较高加氢活性和稳定性的重整预加氢催化剂,并提高该催化剂对劣质催化汽油的原料适应性,保证催化剂在大空速运转条件下生产合格的重整装置进料,增加装置处理量的同时有效保护催化重整装置长周期稳定运转。
参考来源 - 新型重整预加氢催化剂的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
除加氢尾气可直接利用外，其它炼厂气的硫和烯烃含量高，必须进行预加氢精制。
Except that the hydrogenation dry gas can be directly utilized, other refinery gases must be hydrotreated preliminary, owing to their high sulfur and olefin contents.
在上海炼油厂预加氢反应器投用前的内外部检验中，发现了大量的焊缝表面裂纹和内部埋藏裂纹。
On overall inspection of interior and exterior of pre-hydrogenating reactor of Shanghai Oil Refinery Factory, large cracks was found on the surface of weld and inside of the weld.
文章详细阐述了催化裂化重整车间抽提系统、预加氢系统、催化重整部分换热设备管束腐蚀情况。
The corrosion of heat exchanger tubes in extraction system, pre-treatment system and reforming system are described in detail.
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