多元复合型脱硫剂的研制和试验
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中海油(天津)油田化工有限公司

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TE65 ????

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Development and test of multi - compound desulfurizer
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    摘要:

    针对海上油田硫化氢处理要求,设计了一套比较适合用于模拟分析脱硫剂现场的实际脱硫效果的新的动态评价装置,对脱硫剂效果进行动态评价,并利用这个动态评价系统,研究开发新的脱硫剂和分析现场工况参数对脱硫效果的影响。实验表明:当甲胺、单乙醇胺和二乙胺等摩尔比混合时,合成的多元复合型脱硫剂11#的脱硫效果优异,脱硫率一直保持在96%以上,同时硫容量也最大。脱硫剂11#的脱硫率,随着气液比增加而逐渐减小;随超重力机转速的增加先增加后趋于稳定并有所下降;随着体系总压增加而增加;而处理温度变化对脱硫效果影响较小。现场试验表明,脱硫剂11#的脱硫效果明显优于原在用脱硫剂0#,进一步降低了现场腐蚀和安全风险。

    Abstract:

    To meet the requirements of hydrogen sulfide removal in offshore oil field, a new dynamic evaluation system has been designed, which is suitable for simulation analysis of the actual desulfurization efficiency of the desulfurizer. Using the dynamic evaluation system, new desulfurizers were developed and assessed, and the effect of working parameters on site on the desulfurization efficiency was analyzed. The experimental results show that when When the same molar ratio of methylamine, monoethanolamine and diethylamine were mixed, the desulfurization efficiency of the synthesized multi-compound H2S scanvenger 11# maintained above 96% during the experiment, exhibiting excellent desulfurization efficiency and the largest sulfur capacity. The desulfurization efficiency of H2S scanvenger 11# decreased with the increase of gas-liquid ratio. The desulfurization efficiency firstly increased and then decreased with the increase of the speed of the high gravity device, but increased with the increase of the total pressure of the system; However, the system temperature change had little effect on the desulfurization efficiency. Field tests show that desulfurization efficiency of H2S scanvenger 11# was obviously better than that of the original H2S scanvenger 0#, which further reduces the corrosion and safety risk on site.

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  • 收稿日期:2021-01-30
  • 最后修改日期:2021-05-14
  • 录用日期:2021-06-17
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