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石油与天然气化工
CHEMICALENGINEERING OFOIL& GAS
焦化蜡油活化树脂吸附脱氮及反应性能的研究
孙敬军修彭浩丛日明董浩王聪王雷刘丹
(辽宁石油化工大学石油化工学院)
2014
摘要在实验室条件下,分别以D72阳离子活化树脂和D001-CC阳离子活化树脂为吸附
剂,在连续吸附固定床反应器中对焦化蜡油进行吸附脱氯研究,并用催化裂化微反装置对脱氯后的焦化蜡油进行催化裂化反应性能研究。考察两种活化树脂在固定床吸附反应器中的吸附穿透曲
线、两种活化树脂对焦化蜡油中碱性氮的动态吸附特性及两种活化树脂在不同吸附温度下对焦化蜡油碱性氮脱除率的影响,比较两种活化树脂的吸附性能。脱氮前后焦化蜡油分别进行催化裂化反应,比较脱氮前后焦化蜡油催化裂化反应性能。实验结果表明:D001-CC活化树脂的最佳吸附温度为70℃,6h后吸附能力达到饱和,饱和吸附量为19.35mg/g;D72活化树脂的最佳吸附温度为60℃,5h后吸附能力达到饱和,饱和吸附量为7.75mg/g。焦化蜡油经树脂脱氮处理后催化裂化反应程度加深,转化率提高。反应温度为400℃时,未脱氮的焦化蜡油转化率为44%,经过30 min吸附脱氮处理,焦化蜡油的转化率达到81.5%。在较高的反应温度下,碱性氮的含量对催化剂活性的影响更为敏感,碱性氮的含量减少幅度较大的焦化蜡油,催化裂化的转化率增加更多。
关键词焦化蜡油碱性氮化物阳离子活化树脂固定床催化裂化
中图分类号:TE624.4+31文献标志码:ADOI:10.3969/j.issn.1007-3426.2014.03.004
Reactionperformance of nitrogen removal adsorptionfrom
the coking wax oil with activation resin
Sun Jingjun,Xiu Penghao,Cong Riming,Dong Hao,Wang Cong,Wang Lei,LiuDan
(School of Petrochemical Engineering,Liaoning Shihua University
Fushun11300l,Liaoning,China)
Abstract : Under laboratory conditions ,nitrogen adsorption from the coking wax oil was stud. ied respectively by D 72 and DO01-CC cationic activation resins as adsorbents in a continuous fixed bed reactor . Micro reaction system of fluid catalytic cracking unit was used to study the catalytic cracking reaction performance of coking wax oil after denitrification . Adsorption properties of two kinds of activation resin were compared by studing the adsorption breakthrough curve in the fixed bed , the dynamic adsorption properties of alkaline nitrogen compounds in the coking wax oil and the affect of the adsorption temperature on the removal rate of basic nitrogen compounds . Catalytic cracking performances of coking wax oil before and after denitrification were finally compared with catalytic cracking experiments . Results of experiments showed that the optimum adsorption temperature of DOol-CC activation resin was 70 C ,the adsorption capacity was satu.
基金项目:国家自然科学基金项目“环境友好型功能化离子液体的合成及其催化氧化深度脱硫"(21103077)。辽宁省自然科学基金项目“金属有机骨架(M0F)材料在清洁燃料选择性吸附脱硫中的应用研究”(201102120)。
作者简介:孙敬军(1987一),男,山东文登人,在读硕士研究生,主要从事重质油加工方面的研究。地址:(113001)辽宁省抚顺市望花区丹东路西段1号辽宁石油化工大学。电话:024-56860869。E-mail:sj2007090087@163.com