煤质活性炭与椰壳活性炭对漂白废水的吸附性能研究

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英文篇名：Adsorption Performance of Coal-Based Activated Carbon and Coconut Shell Activated Carbon to Bleaching Effluent 作者：李成龙 ; 熊泽 英文作者：LI Chenglong;XIONG Ze;Zhejiang Shaxing Technology Co.,Ltd.;School of Chemical Engineering and Pharmacy,Wuhan Institute of Technology; 关键词：漂白废水 ; 煤质活性炭 ; 椰壳活性炭 英文关键词：bleaching effluent;;coal-based activated carbon;;coconut shell activated carbon 中文刊名：HBHG 英文刊名：Chemistry & Bioengineering 机构：浙江沙星科技有限公司;武汉工程大学化工与制药学院; 出版日期：2019-01-31 出版单位：化学与生物工程 年：2019 期：v.36;No.265 语种：中文; 页：HBHG201902012 页数：5 CN：02 ISSN：42-1710/TQ 分类号：54-57+64

摘要

通过静态吸附实验与动态吸附实验,研究了煤质活性炭与椰壳活性炭对漂白废水的吸附性能。结果表明,在静态吸附条件下,当活性炭用量为6g·L~(-1)、吸附时间为180min、吸附温度为40℃时,煤质活性炭与椰壳活性炭对漂白废水的COD去除率分别为57.89%、60.24%;2种活性炭对漂白废水的吸附动力学均符合Lagergren准二级动力学模型;在动态吸附条件下,各因素对煤质活性炭吸附性能的影响大小为:漂白废水流速>吸附时间>吸附柱柱高,各因素对椰壳活性炭吸附性能的影响大小为:吸附时间>吸附柱柱高>漂白废水流速。
        We studied the adsorption performance of coal-based activated carbon and coconut shell activated carbon to bleaching effluent by static adsorption experiments and dynamic adsorption experiments.The results show that the COD removal rates of bleaching effluent can reach 57.89% and 60.24%,respectively,after the treatment with coal-based activated carbon and coconut shell activated carbon under the static adsorption conditions as follows:the activated carbon dosage is 6 g·L~(-1),the adsorption time is 180 min,and the adsorption temperature is 40℃.The adsorption kinetics of bleaching effluent onto two kinds of activated carbons are all in accordance with Lagergren pseudo-second order kinetic model.Furthermore,under the dynamic adsorption conditions,the factors influencing the adsorption performance of coal-based activated carbon follow the order:the flow rate of bleaching effluent>the adsorption time>the height of adsorption column,and the factors influencing the adsorption performance of coconut shell activated carbon follow the order:the adsorption time>the height of adsorption column>the flow rate of bleaching effluent.

引文

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