[Amim]Cl/ZnCl<sub>2</sub>离子液体脱除燃料油中碱性氮化物

刘洁; 周兆骞; 李文深; 宋世野; 马波

[Amim]Cl/ZnCl₂离子液体脱除燃料油中碱性氮化物

刘洁^{1, 2, ,},
周兆骞¹,
李文深¹,
宋世野¹,
马波^{1, 2}

1.
辽宁石油化工大学化学化工与环境学部, 辽宁抚顺 113001
2.
中国石油大学(华东) 化学工程学院, 山东青岛 266580

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中图分类号: TE622.1
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出版历程
- 收稿日期: 2016-04-20
- 修回日期: 2016-06-29
- 网络出版日期: 2021-01-23
- 刊出日期: 2016-10-10

Removal of basic nitrogen compounds from fuel oil with[Amim]Cl/ZnCl₂ ionic liquid

LIU Jie^{1, 2
, ,},
ZHOU Zhao-qian¹,
LI Wen-shen¹,
SONG Shi-ye¹,
MA Bo^{1, 2}

1.
College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun 113001, China
2.
College of Chemical Engineering, China University of Petroleum(East China), Qingdao 266580, China

More Information

Corresponding author: Tel: 13842352536, E-mail: lj13898309829@163.com

摘要

摘要: 合成了金属基离子液体[Amim]Cl/ZnCl₂，采用红外光谱对其结构和酸性进行表征，并以碱性氮含量高达0.52%（质量分数）的抚顺页岩油柴油馏分为原料考察其脱氮性能。结果表明，在反应温度30℃、剂油质量比1:7、反应时间20 min、静置时间2 h的条件下，[Amim]Cl/ZnCl₂对柴油馏分中碱性氮化物的脱除率可达83.78%，且该离子液体经回收重复使用四次后，碱氮脱除率仍能达到52%。
- [Amim]Cl/ZnCl₂离子液体 /
- 页岩油柴油 /
- 脱氮 /
- 碱性氮
Abstract: Metal-based ionic liquid [Amim]Cl/ZnCl₂ was synthesized and its structure and acidity were characterized with FT-IR spectroscopy. The denitrogenation performance of the ionic liquid was investigated using Fushun shale diesel oil containing 0.52% basic nitrogen as feedstock. Experimental results showed that the ionic liquid exhibited good denitrogenation performance and 83.78% basic N-extraction efficiency was achieved under the optimized operation conditions, i.e., temperature of 30℃, 1:7 (mass ratio) IL:oil, reaction time of 20 min and settling time of 2 h. In addition, the basic N-removal efficiency of the ionic liquid can still remain 52% after four recycles.
- [Amim]Cl/ZnCl₂ ionic liquid /
- shale diesel oil /
- denitrogenation /
- basic nitrogen

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图 1 [Amim]Cl的合成路线示意图

Figure 1 Synthesis route of [Amim]Cl

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图 2 离子液体[Amim]Cl (a)和[Amim]Cl/ZnCl₂ (b)的FT-IR谱图

Figure 2 FT-IR spectra of [Amim]Cl (a) and [Amim]Cl/ZnCl₂ (b)

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图 3 [Amim]Cl/ZnCl₂离子液体氢核磁共振谱谱图

Figure 3 ¹H NMR of [Amim]Cl/ZnCl₂

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图 4 [Amim]Cl/ZnCl₂离子液体的热重曲线

Figure 4 TG curve of [Amim]Cl/ZnCl₂

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图 5 吡啶探针法测定离子液体酸性的FT-IR谱图

Figure 5 Investigation of the acidity of [Amim]Cl/ZnCl₂ by FT-IR spectroscopy

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图 6 不同离子液体在不同时间下的碱氮脱除效果

Figure 6 Basic-N-removal efficiency with different ionic liquids at different time

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图 7 不同反应温度对碱氮脱除效果的影响

Figure 7 Effect of reaction temperature on basic-N-removal efficiency

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图 8 不同剂油质量比对碱氮脱除效果的影响

Figure 8 Effect of mass ratio of IL/oil on basic-N-removal efficiency

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图 9 不同静置时间对碱氮脱除效果的影响

Figure 9 Effect of settling time on basic-N-removal efficiency

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图 10 离子液体回收次数与碱氮脱除率的关系

Figure 10 Relation of basic-N-extraction efficiency with recycle times

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表 1 抚顺页岩油柴油馏分基本性质

Table 1 Properties of diesel fraction from Fushun shale oil

Items Density ρ/(g·mL^-1) Basic nitrogen content w/(μg·g^-1) v₂₀ /(mm²·s^-1) Freezing point t/℃

Data 0.865 5 5 223 4.47 2

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表 2 离子液体的元素分析

Table 2 Elemental analysis of the ionic liquid

Complex Content w/%

C (theoretical value) H (theoretical value)

[Amim]Cl/ZnCl₂ 28.34 (28.51) 3.8.1(3.76)

下载: 导出CSV

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[Amim]Cl/ZnCl₂离子液体脱除燃料油中碱性氮化物

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Removal of basic nitrogen compounds from fuel oil with[Amim]Cl/ZnCl₂ ionic liquid

Corresponding author: Tel: 13842352536, E-mail: lj13898309829@163.com

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2023年《燃料化学学报（中英文）》评优结果公布！

Items	Density ρ/(g·mL^-1)	Basic nitrogen content w/(μg·g^-1)	v₂₀ /(mm²·s^-1)	Freezing point t/℃
Data	0.865 5	5 223	4.47	2

Complex	Content w/%
Complex	C (theoretical value)	H (theoretical value)
[Amim]Cl/ZnCl₂	28.34 (28.51)	3.8.1(3.76)

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[Amim]Cl/ZnCl2离子液体脱除燃料油中碱性氮化物

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出版历程

Removal of basic nitrogen compounds from fuel oil with[Amim]Cl/ZnCl2 ionic liquid

Corresponding author: Tel: 13842352536, E-mail: lj13898309829@163.com

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出版历程

目录

2023年《燃料化学学报（中英文）》评优结果公布！

[Amim]Cl/ZnCl₂离子液体脱除燃料油中碱性氮化物

Removal of basic nitrogen compounds from fuel oil with[Amim]Cl/ZnCl₂ ionic liquid