Effect of components of ionic liquids on oxidation desulfurization performance of hydrogen sulfur

doi:10.11949/j.issn.0438-1157.20151736

CIESC Journal ›› 2016, Vol. 67 ›› Issue (S1): 347-352.DOI: 10.11949/j.issn.0438-1157.20151736

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Effect of components of ionic liquids on oxidation desulfurization performance of hydrogen sulfur

HU Jinchao¹, GAO Lixia¹, LIU Weihai², ZHAO Yonglu², GAO Shang¹, PAN Xingpeng¹, GUO Zhihui¹, YU Jiang¹

1 School of Chemical Engineering, Beijing University of Chemical and Technology, Beijing 100029, China;
2 Xinjiang Zhongtai Chemical Co., Ltd., Urumqi 830009, Xinjiang, China

Received:2015-11-19 Revised:2015-11-25 Online:2016-08-31 Published:2016-08-31
Supported by:
supported by the National Natural Science Foundation of China (21076019,21206007) and Xinjiang Autono-mous Region Science and Technology Branch Project (201491111).

复合离子液体组成对硫化氢的氧化脱硫性能的影响

胡锦超¹, 高丽霞¹, 刘伟海², 赵永禄², 高尚¹, 潘兴朋¹, 郭智慧¹, 余江¹

1 北京化工大学化学工程学院环境催化与分离过程研究组, 北京 100029;
2 新疆中泰化学股份有限公司, 新疆乌鲁木齐 830009

通讯作者: 余江,yujiang@mail.buct.edu.cn
基金资助:
国家自然科学基金项目（21076019，21206007）；新疆自治区科技支疆项目（201491111）。

Abstract

Abstract:

Based on the natural feature of Fe-based ionic liquids (Fe-IL), non-aqueous wet oxidation desulfurization of hydrogen sulfide was proposed in our preliminary work. But it has the poor gas-liquid mass transfer and low concentration of active Fe(Ⅲ), which leads the desulfurizing agent to be inactivated easily, and presents lower sulfur capacity and regeneration rate during the desulfurizing process. In this work, Fe-IL was used as bulk solution, Zn-based ionic liquids(Zn-IL), Mn-based ionic liquids(Mn-IL) and 1,3-dimethyl ketone of imidazoline (DMI) are selected as additives with different mass ration to construct complex ionic liquids to improve desulfuring performance. According to the results, the complex ionic liquids with bimetal show much better desulfuring performance, and a stronger intensified effect of DMI on improvement of desulfuring performance is observed after the introduction of DMI into Fe-IL. Particularly, the ternary system of DMI and Zn-IL in Fe-IL presents the best desulfuration performance.

Key words: Fe-based ionic liquids, Zn-based ionic liquids, Mn-based ionic liquids, 1,3-dimethyl ketone of imidazoline, desulfuration

摘要：

针对纯铁基离子液体（Fe-IL）在脱硫过程中气液传质效率较低、铁活性不高等缺陷导致的脱硫液易被击穿、硫容小和再生缓慢等问题，以铁基离子液体（Fe-IL）为基质，选用锌基离子液体（Zn-IL）、锰基离子液体（Mn-IL）和1，3-二甲基咪唑啉酮（DMI）为助剂，调节相互之间的质量比配制复合离子液体基脱硫液，并试验上述混合溶液的脱硫效果。实验结果表明，复合金属离子液体之间具有协同强化脱硫的作用，1，3-二甲基咪唑啉酮对铁基离子液体脱硫有着较好的活化作用，其中铁锌基离子液体与1，3-二甲基咪唑啉酮组成的复合液脱硫效果更为理想。

关键词: 铁基离子液体, 锌基离子液体, 锰基离子液体, 1, 3-二甲基咪唑啉酮, 脱硫

CLC Number:

X701.3

HU Jinchao, GAO Lixia, LIU Weihai, ZHAO Yonglu, GAO Shang, PAN Xingpeng, GUO Zhihui, YU Jiang. Effect of components of ionic liquids on oxidation desulfurization performance of hydrogen sulfur[J]. CIESC Journal, 2016, 67(S1): 347-352.

胡锦超, 高丽霞, 刘伟海, 赵永禄, 高尚, 潘兴朋, 郭智慧, 余江. 复合离子液体组成对硫化氢的氧化脱硫性能的影响[J]. 化工学报, 2016, 67(S1): 347-352.

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Effect of components of ionic liquids on oxidation desulfurization performance of hydrogen sulfur

复合离子液体组成对硫化氢的氧化脱硫性能的影响

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