| 四氟硼酸改性活性炭的制备及其吸附脱除二苯并噻吩性能 |
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| 引用本文： | 王晓静,刘超,董悦,李发堂,赵君,李玉佩.四氟硼酸改性活性炭的制备及其吸附脱除二苯并噻吩性能[J].燃料化学学报,2015,43(5):607-613. |
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| 作者姓名： | 王晓静 刘超 董悦 李发堂 赵君 李玉佩 |
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| 作者单位： | 1. College of Science, Hebei University of Science and Technology, Shijiazhuang 050018, China;
2. College of Gemmology and Material Technics, Shijiazhuang University of Economic, Shijiazhuang 050031, China |
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| 基金项目： | 国家自然科学基金(21406054, 21376061); 教育部新世纪优秀人才支持计划(NCET-12-0686); 河北省自然科学基金(B2015208005, B2015208010)。 |
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| 摘 要： | 采用浸渍法制备了四氟硼酸(HBF4)改性活性炭,并研究了其对模拟油中二苯并噻吩(DBT)的吸附脱除性能。利用傅里叶红外光谱(FT-IR)、差示热分析仪(TG-DTA)、X射线光电子能谱(XPS)以及N2吸附技术对吸附剂的表面态和孔结构进行了表征,考察了四氟硼酸浓度、热处理温度以及模拟油中DBT浓度对吸附脱硫效果的影响。结果表明,经质量分数0.5%的HBF4溶液浸渍、140 ℃热处理后,在剂油比1:100条件下,活性炭的吸附容量为352 mg/g,较未改性活性炭提高了72.5%。
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| 关 键 词： | 吸附脱硫 改性活性炭 四氟硼酸 二苯并噻吩 |
| 收稿时间： | 2014-10-29 |
Modification of activated carbon with tetrafluoroboric acid and its performance in adsorption desulfurization of dibenzothiophene |
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| WANG Xiao-jing,LIU Chao,DONG Yue,LI Fa-tang,ZHAO Jun,LI Yu-pei.Modification of activated carbon with tetrafluoroboric acid and its performance in adsorption desulfurization of dibenzothiophene[J].Journal of Fuel Chemistry and Technology,2015,43(5):607-613. |
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| Authors: | WANG Xiao-jing LIU Chao DONG Yue LI Fa-tang ZHAO Jun LI Yu-pei |
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| Institution: | 1. College of Science, Hebei University of Science and Technology, Shijiazhuang 050018, China;
2. College of Gemmology and Material Technics, Shijiazhuang University of Economic, Shijiazhuang 050031, China |
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| Abstract: | The activated carbon adsorbent was modified with tetrafluoroboric acid (HBF4) by impregnation and characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS) and N2 physisorption. The performance of modified activated carbon in adsorption desulfurization of dibenzothiophene (DBT) in model diesel fuel was investigated and the influences of HBF4 concentration, calcination temperature and the initial DBT concentration on the sulfur removal efficiency were considered. The results show that the adsorbent modified with 0.5% HBF4 solution and calcined at 140 ℃ performs best in DBT desulfurization; when the adsorbent/oil ratio is 1:100, the HBF4-modified adsorbent exhibits an adsorption capacity of 352 mg/g, which is 72.5% higher than that of the unmodified activated carbon. |
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| Keywords: | adsorptive desulfurization modified activated carbon tetrafluoroboric acid dibenzothiophene |
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