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在对活性剂、活化剂等对固体碱脱除硫化氢性能影响研究的基础上,对催化裂化汽油固体碱脱硫-固定床脱臭组合工艺进行了实验室小试,结果表明,固体碱完全可以取代液体碱而用于催化裂化汽油的精制。相对于液体碱洗-固定床脱臭工艺,无论再生前还是再生后,固体碱脱硫-固定床脱臭组合工艺使装置运转时间延长一倍以上。介绍了该组合工艺的流程设计和工业应用。
Based on the research on the effect of active agent and activator on the performance of hydrogen sulfide removal from solid alkali, a small laboratory test was conducted on the solid alkali desulfurization-fixed bed deodorization combined process of FCC gasoline. The results showed that the solid alkali could completely replace Liquid base for catalytic cracking of gasoline refining. Relative to the liquid caustic soda - fixed bed deodorization process, both before and after regeneration, solid alkali desulfurization - fixed bed deodorization combination of the device to extend the operation time more than doubled. The process design and industrial application of the combined process are introduced.