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[1]石林子,刘 丹,高家俊*,等.TEG-NCS/NBS复合溶剂的络合萃取脱氮性能研究[J].武汉工程大学学报,2022,44(04):395-402.[doi:10.19843/j.cnki.CN42-1779/TQ.202111022]
 SHI Linzi,LIU Dan,GAO Jiajun*,et al.Denitrification Performance of Triethylene Glycol-Succinimide Compound Complex Solvent[J].Journal of Wuhan Institute of Technology,2022,44(04):395-402.[doi:10.19843/j.cnki.CN42-1779/TQ.202111022]
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TEG-NCS/NBS复合溶剂的络合萃取脱氮性能研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
44
期数:
2022年04期
页码:
395-402
栏目:
化学与化学工程
出版日期:
2022-08-31

文章信息/Info

Title:
Denitrification Performance of Triethylene Glycol-Succinimide Compound Complex Solvent
文章编号:
1674 - 2869(2022)04 - 0395 - 08
作者:
石林子1刘 丹1高家俊*1姜兴茂1康明林2
1. 湖北省新能源材料工程技术研究中心,绿色化工过程教育部重点实验室(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;2. 重庆阳江机械制造有限公司,重庆 401324
Author(s):
SHI Linzi1 LIU Dan1 GAO Jiajun*1 JIANG Xingmao1 KANG Minglin2
1. Hubei Provincial Research Centre of Engineering &Technology for New Energy Materials; Key Laboratory of Green Chemical Process(Wuhan Institute of Technology) ,Ministry of Education;Hubei Key Laboratory of Novel Reactor & Green Chemical Technology (Wuhan Institute of Technology) ; School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China; 2. Chongqing?Yangjiang?Machinery?Manufacturing?Co.,?Ltd, Chongqing 401324, China
关键词:
氯代琥珀酰亚胺溴代琥珀酰亚胺三乙二醇络合作用萃取脱氮
Keywords:
N-chlorosuccinimide N-bromosuccinimide triethylene glycol complexation extraction denitrification
分类号:
O658.2
DOI:
10.19843/j.cnki.CN42-1779/TQ.202111022
文献标志码:
A
摘要:
采用三乙二醇(TEG)-氯代琥珀酰亚胺(NCS)和溴代琥珀酰亚胺(NBS)复合溶剂作为萃取剂,研究其分别对模型油中喹啉、吖啶、吡啶、吲哚、吡咯以及催化裂化柴油中氮化物的脱除性能。结果表明:复合溶剂可将模型油中碱性氮和非碱性氮完全脱除。对于碱性氮,纯TEG对模型油中喹啉等的脱除率只有85%左右,而TEG-NCS、TEG-NBS复合溶剂对模型油中碱性氮的脱除率却能达99.9%以上,超高的脱氮性能来自于NCS、NBS与碱性氮之间发生的强络合作用。对于非碱性氮,TEG对吲哚、吡咯的脱除率均能达到99%以上,说明TEG与非碱性氮之间存在较强的氢键作用,研究还发现TEG-NBS与吲哚能发生强烈的络合作用,通过红外、紫外和1H-核磁共振等表征方法也进一步证实了上述这些相互作用。此外,复合溶剂对催化裂化柴油也表现出良好的脱氮性能。可见,对于萃取脱氮而言,TEG-NCS和TEG-NBS具有良好的应用前景。
Abstract:
Two composite solvents, i.e.,triethylene glycol (TEG) with N-chlorosuccinimide (NCS) and with N-bromosuccinimide (NBS),were used as extractants to study their N-removal performance of quinoline, acridine, pyridine, indole, and pyrrole in model oil and N-compounds in fluid?catalytic?cracking?(FCC) diesel. The results showed that both basic nitrogen and non-basic nitrogen in the model oil can be completely removed by the composite solvents used here.For basic nitrogen, the N-removal of quinoline etc. by pure TEG is only about 85%, but TEG-NCS and TEG-NBS can remove more than 99.9% of basic nitrogen in the model oil. The ultra-high denitrification performance is due to the strong complexation between NCS/NBS and basic nitrogen.For non-basic nitrogen, the N-removal of indole and pyrrole by TEG can be beyond 99%, indicating that there is a strong H-bond between TEG and non-basic nitrogen. The study also found that TEG-NBS and indole have a strong complexation, and the above mentioned interactions were further confirmed by characterization methods such as Fourier transform infrared spectroscopy, ultraviolet visible spectroscopy, and 1H-nuclear magnetic resonance.In addition, the composite solvent also shows great denitrification performance for FCC diesel. Apparently, TEG-NCS and TEG-NBS are the promising solvents for extractive denitrification.

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备注/Memo

备注/Memo:
收稿日期:2021-11-24
基金项目:国家自然科学基金(21808175);湖北省教育厅科学技术研究项目(Q20181504);武汉工程大学科学研究基金(17QD62)
作者简介:石林子,硕士研究生。Email:slzwit@163.com
*通讯作者:高家俊,博士,副教授。Email: gaojiajun@wit.edu.cn
引文格式:石林子,刘丹,高家俊,等. TEG-NCS/NBS复合溶剂的络合萃取脱氮性能研究[J]. 武汉工程大学学报,2022,44(4):395-402.
更新日期/Last Update: 2022-08-25