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[1]朱 爽,朱海艳,全苇舟,等.聚乙烯亚胺萃取脱除模型燃油中氮化物的研究[J].武汉工程大学学报,2020,42(05):483-486.[doi:10.19843/j.cnki.CN42-1779/TQ.202001003]
 ZHU Shuang,ZHU Haiyan,QUAN Weizhou,et al.Extractive Removal of Nitrides from Model Fuel by Polyethylimine[J].Journal of Wuhan Institute of Technology,2020,42(05):483-486.[doi:10.19843/j.cnki.CN42-1779/TQ.202001003]
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聚乙烯亚胺萃取脱除模型燃油中氮化物的研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年05期
页码:
483-486
栏目:
化学与化学工程
出版日期:
2021-01-29

文章信息/Info

Title:
Extractive Removal of Nitrides from Model Fuel by Polyethylimine
文章编号:
1674 - 2869(2020)05 - 0483 - 04
作者:
朱 爽朱海艳全苇舟姜兴茂*高家俊*
绿色化工过程省部共建教育部重点实验室(武汉工程大学),新型反应器与绿色化学工艺湖北省重点实验室(武汉工程大学),武汉工程大学化工与制药学院,湖北 武汉 430205
Author(s):
ZHU Shuang ZHU Haiyan QUAN Weizhou JIANG Xingmao* GAO Jiajun*
Key Laboratory for Green Chemical Process(Wuhan Institute of Technology), Ministry of Education, Hubei Key Laboratory of Novel Chemical Reactor & Green Chemical Technology(Wuhan Institute of Technology), School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China
关键词:
聚乙烯亚胺萃取脱氮非碱性氮碱性氮
Keywords:
polyethylimine extractive denitrogenation non-basic nitrogen basic nitride
分类号:
O658.2
DOI:
10.19843/j.cnki.CN42-1779/TQ.202001003
文献标志码:
A
摘要:
为了解决燃油中的氮化物,尤其是碱性氮化物,对生态环境、油品品质和催化剂性能等的不利的影响,采用聚乙烯亚胺(PEI)为萃取剂,可同时脱除模型燃油中的非碱性氮化物和碱性氮化物。结果表明,在常压、萃取时间15 min、萃取温度30 ℃、剂油质量比0.1的条件下,PEI对吲哚和吡咯的N-脱除率分别高达97.8%、 95.1%,喹啉只有28.8%,吡啶的N-脱除率为85.1%。进一步地,PEI对吲哚、吡咯、喹啉和吡啶的N-分配系数分别为368、161、3.5和47.5。良好的脱氮性能源于PEI与氮化物之间形成的氢键作用,该作用可由1H-NMR所证实。此外,PEI可通过乙醚反萃再生,重复使用5次对萃取性能没有明显降低。
Abstract:
Nitrides in fuel oils, especially basic nitrides, have adverse effects on ecological environment, oil quality and catalyst performance. Polyethylimine (PEI), used as extractant in this work, can simultaneously remove non-basic and basic nitrides from fuel oils. Experimental results indicated that, under the conditions [ambient pressure,30 ℃, 15 min, m(extractant)/m(oil)= 1/10], N-removal of PEI was 97.8% for indole, 95.1% for pyrrole, 28.8% for quinoline, and 85.1% for pyridine, respectively. Further, N-distribution coefficient of PEI can amount to 368 for indole, 161 for pyrrole, 3.5 for quinoline, and 47.5 for pyridine, respectively. The good denitrogenation performance was ascribed to H-bonding between PEI and thenitride. The H-bonding can be identified by 1H nuclear magnetic resonance spectroscopy. Moreover, PEI can be regenerated by ether stripping, and its extractive performance is not significantly reduced for reusing 5 times.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2020-01-03基金项目:国家自然科学基金(21808175,21878237);武汉工程大学科学研究基金(17QD62)作者简介:朱 爽,硕士研究生。E-mail: 1539074991@qq.com*通讯作者:姜兴茂,博士,教授,硕士研究生导师。E-mail: jxm@wit.edu.cn 高家俊,博士,副教授,硕士研究生导师。E-mail: gaojiajun@wit.edu.cn引文格式:朱爽,朱海艳,全苇舟,等. 聚乙烯亚胺萃取脱除模型燃油中氮化物的研究[J]. 武汉工程大学学报,2020,42(5):483-486.
更新日期/Last Update: 2020-10-30