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针对芳烃抽提装置抽余油储罐腐蚀的问题,通过对其储罐内腐蚀形貌观察和对其腐蚀残留物成分的提取与检测及对其腐蚀原因的分析,从而获得造成芳烃抽提装置抽余油储罐腐蚀的主要原因是含硫酸腐蚀及微生物腐蚀,并由此提出了五个方面的相应解决方法,来有效地控制或减少造成芳烃抽提装置抽余油储罐腐蚀的因素。
In view of the problem of the corrosion of raffinate oil storage tank of aromatics extraction unit, through the observation of the corrosion morphology in the tank and the extraction and detection of the corrosion residue components and the analysis of the corrosion reasons, the aromatics extraction unit The main reason for the corrosion of raffinate tank is sulfuric acid corrosion and microbial corrosion, and the corresponding solutions are proposed in five aspects to effectively control or reduce the corrosion of the raffinate tank caused by aromatic extraction unit.