| 铜改性的HY分子筛吸附二苯并噻吩的动态性能 |
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| 引用本文： | 范闽光,李小龙,张飞跃.铜改性的HY分子筛吸附二苯并噻吩的动态性能[J].广西大学学报(自然科学版),2010,35(6). |
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| 作者姓名： | 范闽光 李小龙 张飞跃 |
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| 作者单位： | 广西大学化学化工学院; |
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| 基金项目： | 国家自然科学基金资助项目，广西自然科学基金资助项目，广州市氢能与绿色催化重点实验室开放课题，广西大学博士启动基金资助项目 |
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| 摘 要： | 采用等体积浸渍法制备具有不同Cu担载量的CuHY分子筛。用X射线衍射(XRD)、比表面积(BET)、X射线光电子能谱(XPS)技术对吸附剂进行表征。在改进的固定床动态吸附脱硫装置上测定了CuHY吸附剂吸附模拟柴油中二苯并噻吩(DBT)的穿透曲线,并考察了外部因素对吸附剂脱硫性能的影响。采用350℃氮气吹扫的方法对吸附剂进行再生,并比较吸附剂再生前后的吸附性能。结果表明,Cu13HY吸附剂吸附性能优于其他吸附剂,其对DBT的饱和硫容为0.203 5 mmol/g。再生后的Cu13HY对DBT仍具有很好的吸附能力,其饱和硫容与新鲜吸附剂相比仅降低了3%。在改进的实验装置上能测得更为规则的脱硫穿透曲线。动态吸附脱硫的最佳操作条件为常温、常压、液体流速1.0 mL/min。
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| 关 键 词： | HY分子筛 铜 吸附剂 二苯并噻吩 动态吸附 穿透曲线 |
Dynamic performance of dibenzothiophene adsorption adsorbed on HY zeolite modified with copper |
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| FAN Min-guang,LI Xiao-long,ZHANG Fei-yue.Dynamic performance of dibenzothiophene adsorption adsorbed on HY zeolite modified with copper[J].Journal of Guangxi University(Natural Science Edition),2010,35(6). |
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| Authors: | FAN Min-guang LI Xiao-long ZHANG Fei-yue |
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| Institution: | FAN Min-guang,LI Xiao-long,ZHANG Fei-yue(College of Chemistry and Chemical Engineering,Guangxi University,Nannig 530004,China) |
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| Abstract: | The CuHY zeolites with different Cu loading were prepared by an incipient wetness method.The samples were characterized by X-ray diffraction(XRD),BET surface area measurement and X-ray photoelectron spectroscopy(XPS) techniques.The breakthrough curves of dibenzothiophene(DBT) in the model diesel were measured by using the CuHY zeolites with different Cu loading over the improved fixed-bed dynamic adsorption device,and the effects of external factors on the desulfurization performance of the CuHY adsorbents ... |
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| Keywords: | HY zeolite copper adsorbent dibenzothiophene dynamic adsorption breakthrough curves |
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