降低FCC再生烟气NO_x排放助剂的工业应用被引量：4

COMMERCIAL APPLICATION OF DECREASING NO_x EMISSION ADDITIVES FOR FCC REGENERATOR FLUE GAS

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摘要为了降低催化裂化(FCC)装置再生烟气的NO_x排放、避免再生器稀相超温及出现"尾燃"问题,中国石化石油化工科学研究院与中国石化北海炼化有限责任公司、中国石化催化剂有限公司合作,在MIP-CGP装置上开展了降低FCC再生烟气NO_x排放助剂RDNO_x的工业应用试验。结果表明:RDNO_x助剂有利于控制再生器稀相温度,减少"尾燃",稀相超温幅度和频次明显低于应用试验以前;应用RDNO_x助剂后,在线仪表监测到再生烟气中NO_x浓度基本在30~60mg/m^3之间波动,低于100mg/m^3的最新环保标准限值,相比早期使用Pt助燃剂时的295mg/m^3,NO_x浓度降低70%以上;RDNO_x助剂的应用未对裂化产物分布、主要产品的组成和性质产生不利影响。 RDNOx additive for decreasing FCC NOx emission was applied in the MIP-CGP unit in SINOPEC Beihai Company. The results show that RDNOx additive is effective in controlling the regenerator dilute-phase temperature and reducing ＂after burn＂. The range and frequency of dilute-phase temperature fluctuation are apparently decreased. Furthermore, the NOx content in the treated flue gas analyzed on line is 30 60 mg/m3, which is lower than that of the latest environmental regulation of 100 mg/m3. Compared with 295 mg/m3 when Pt based CO promoter was used, NOx emission is decreased by more than 70%. During the application of RDNOx additive, no negative influence on FCC product distri bution and properties is observed.

作者钟贵江梁先耀宋海涛田辉平

机构地区中国石化北海炼化有限责任公司中国石化石油化工科学研究院

出处《石油炼制与化工》 CAS CSCD 北大核心 2016年第9期51-56,共6页 Petroleum Processing and Petrochemicals

基金中国石油化工股份有限公司合同项目(114111)

关键词催化裂化再生烟气 NOx 助剂 FCC regenerated flue gas NOx, additive

分类号 X742 [环境科学与工程—环境工程]

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