الفهرس 
Study of degradation of sulfolane solvent and the corrosion in aromatics extractive distillation unit
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Abstract
In this thesis, the degradation of sulfolane solvent was studied at different concentrations of chlorides and oxygen. Then, the corrosion rate of three different alloys (namely: carbon steel A 106, 304 SS and 316 SS)in the degraded samples was measuredby linear polarization resistance method. After that, monoethanolamine (MEA) was added to the most severely degraded sample to neutralize it. Finally, the corrosion rate of that three alloys was measured in the neutralized sample