| 蜂窝状活性炭对VOCs的吸-脱附性能研究 |
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| 引用本文： | 韩忠娟,罗福坤,李泽清.蜂窝状活性炭对VOCs的吸-脱附性能研究[J].环境科学,2011,32(12):3662-3666. |
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| 作者姓名： | 韩忠娟 罗福坤 李泽清 |
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| 作者单位： | 嘉园环保股份有限公司,福州,350003 |
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| 摘 要： | 蜂窝状活性炭适于处理大风量、低浓度有机废气,通过建立动态吸-脱附实验装置,系统研究了不同吸附质、入口甲苯浓度、空床气速、脱附温度等参数对其吸-脱附性能的影响.结果表明,在规定出口甲苯浓度时,降低入口甲苯浓度,蜂窝状活性炭可持续吸附时间增加,吸附效率提高;在工程应用吸附过程中,空床气速推荐取1.2～1.8 m·s-1.在脱附过程中,出口甲苯浓度均出现峰值,随着脱附温度升高,曲线波动越大,工程应用中推荐脱附温度90℃;脱附空床气速对出口甲苯浓度峰值有影响,推荐取0.2～0.4 m·s-1.
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| 关 键 词： | 挥发性有机化合物(VOCs) 蜂窝状活性炭 吸附 脱附 甲苯 |
| 收稿时间： | 2011/5/16 0:00:00 |
| 修稿时间： | 2011/6/27 0:00:00 |
Adsorption-Desorption Performance of Honeycomb-Shaped Activated Carbon |
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| HAN Zhong-juan,LUO Fu-kun and LI Ze-qing.Adsorption-Desorption Performance of Honeycomb-Shaped Activated Carbon[J].Chinese Journal of Environmental Science,2011,32(12):3662-3666. |
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| Authors: | HAN Zhong-juan LUO Fu-kun and LI Ze-qing |
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| Institution: | Garden Environmental Protection Co. Ltd., Fuzhou 350003, China;Garden Environmental Protection Co. Ltd., Fuzhou 350003, China;Garden Environmental Protection Co. Ltd., Fuzhou 350003, China |
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| Abstract: | Honeycomb-shaped activated carbon is useful to control organic gas pollution of large air-flow and low concentration.Effects of adsorbents,toluene concentration,velocity of empty bed and temperature of desorption on its adsorption-desorption performance were studied by conducting on dynamic experiments.Results shown that adsorption properties of honeycomb-shaped activated carbon were increased with decreasing of the inlet toluene concentration under the condition of certain outlet toluene concentration,and ... |
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| Keywords: | volatile organic compounds (VOCs) honeycomb-shaped activated carbon adsorption desorption toluene |
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