The formation of ammonium salts (mainly NH4HS and NH4Cl) in hydroprocessing effluent and the necessity of water injection were introduced. The design of water injection system for hydroprocessing effluent was described through analyzing wash water quality, quantity, injection mode and injection position.%介绍了加氢装置反应流出物中铵盐(主要是NH4HS和NH4Cl)形成的原因和注水的必要性,并通过对注水水质要求、注水用量、注水方式以及注水点几个方面的分析,详细阐述了加氢装置反应流出物注水系统设计的要点和相关的设计计算方法.
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