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催化裂化脱硫烟气连续监测系统存在的问题与建议

Problems and Suggestions for the Continuous Monitoring System of Desulfurized Flue Gas from FCC Unit
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摘要 文章介绍了烟气排放连续监测系统(CEMS)的主要测量技术,分析了不同测量技术的优、缺点及适用范围。结合催化裂化脱硫烟气排放污染物的特点,对目前广泛使用的冷干直抽法烟气CEMS在应用中存在的水汽、NH 3干扰SO 2测定结果的问题进行了说明,并通过分析技术对比、烟气预处理技术对比,提出了选用稀释采样法或加装烟气预处理系统的建议。 This article mainly introduced the major measurement techniques for continuous emission monitoring system(CEMS).The advantages/disadvantages,and the scope for the application of different mea-surement techniques were discussed.Combined with the characteristics of pollutants from flue gas of FCC desulfurization,the disturbance mechanism of water vapor and ammonia on the measured SO 2 results in the CEMS based on the widely applied cold-dry direct pumping method.Based on the comparison of analytic technology and flue gas pre-treatment technology,countermeasures including dilution extraction,installation of pre-treatment system were raised to enhance the accuracy of the CEMS.
作者 栾辉 唐智和 张虎 何为 Luan Hui;Tang Zhihe;Zhang Hu;He Wei(State Key Laboratory of Petroleum Pollution Control;CNPC Research Institute of Safety and Environmental Technology)
出处 《油气田环境保护》 CAS 2020年第3期49-53,62,共6页 Environmental Protection of Oil & Gas Fields
基金 中国石油天然气集团有限公司直属院所基础科学研究和战略储备技术研究基金(批准号:2017D-5008)项目“催化裂化装置大气污染排放预测预警体系及管控模式研究”。
关键词 催化裂化 烟气排放连续监测系统 脱硫 存在问题 建议 FCC continuous emission monitoring system(CEMS) desulfurization problems suggestions
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