Petroleum Processing and Petrochemicals ›› 2019, Vol. 50 ›› Issue (5): 106-109.
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Abstract: The industrial application of LZ-5G denitration agent on 1.2 Mt/a FCC unit of PetroChina Fushun Petrochemical Company was introduced. The results showed that at the similar nature of the raw materials and the main operation conditions, adding LZ-5G type denitration agent reduced the nitrogen oxides in the regenerated flue gas from 350 mg/m3 of blank calibration to 125 mg/m3, meeting national standard for NOx emission requirement of less than 200 mg/m3. During the trial period of LZ-5G denitration agent, the FCC unit was operated smoothly, the micro-reaction activity of the equilibrium catalyst increased by 0.2 percentage points, the yield of light oil (gasoline + diesel) increased by 0.16 percentage points, and there was no bad effects on equilibrium catalyst activity, product distribution, product quality and product properties.
Key words: FCC, denitration agent, nitrogen oxides
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