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一种污泥活性炭的制备及其在兰炭废水处理中的应用

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段婧琦, 刘永军, 周璐, 刘羽. 一种污泥活性炭的制备及其在兰炭废水处理中的应用[J]. 环境工程学报, 2016, 10(11): 6337-6342. doi: 10.12030/j.cjee.201506097
引用本文: 段婧琦, 刘永军, 周璐, 刘羽. 一种污泥活性炭的制备及其在兰炭废水处理中的应用[J]. 环境工程学报, 2016, 10(11): 6337-6342. doi: 10.12030/j.cjee.201506097
shu
DUAN Jingqi, LIU Yongjun, ZHOU Lu, LIU Yu. Preparation of activated carbon with dewatered sludge and its application in semi-coking wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2016, 10(11): 6337-6342. doi: 10.12030/j.cjee.201506097
Citation: DUAN Jingqi, LIU Yongjun, ZHOU Lu, LIU Yu. Preparation of activated carbon with dewatered sludge and its application in semi-coking wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2016, 10(11): 6337-6342. doi: 10.12030/j.cjee.201506097
shu

一种污泥活性炭的制备及其在兰炭废水处理中的应用

  • 1.

    西安建筑科技大学环境与市政工程学院, 西安 710055

  • 基金项目:

    国家科技部科技惠民计划项目（2012GS610203）

    陕西省教育厅科技产业化项目（15JF021）

    榆林市科技局项目（2014cxy-07）

Preparation of activated carbon with dewatered sludge and its application in semi-coking wastewater treatment

  • 1.

    School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, China

  • Fund Project:

  • 摘要: 以城市生活污水厂脱水污泥和木屑的混合物为原料，利用ZnCl2为活化剂制备污泥活性炭。研究了活化温度、活化时间、固液比和活化剂浓度对吸附性能的影响。在活化温度为650℃、活化时间30 min、固液比1：1.5、活化剂浓度为5 mol·L-1的最佳工艺条件下，制备得到的活性炭碘吸附值为584.85 mg·g-1，利用扫描电镜可以观察到其发达的孔隙结构。将制备的污泥活性炭应用于兰炭废水处理中，结果表明，污泥活性炭的投加量为180 g·L-1，pH为7，吸附时间60 min，挥发酚和氨氮的去除率分别为73.38%和48.27%，废水中污染物浓度明显降低。
    Abstract: Sawdust and dewatered sludge from a municipal wastewater treatment plant were used as raw materials to prepare sludge-activated carbon; the activation agent was ZnCl2. The results showed optimal preparation conditions of:650℃ activation temperature, 30 min duration, solid-liquid ratio of 1:1.5, and activator concentration of 5 mol·L-1. The iodine adsorption value of the carbon was 584.85 mg·g-1 under the optimized conditions. The developed pore structure was observed by scanning electron microscopy. The sludge-activated carbon was used to treat semi-coking wastewater. The results showed considerably lower pollutant concentrations in wastewater:volatile phenol and ammonium removal rates were 73.38% and 48.27%, respectively, at a dosage of 180 g·L-1, pH 7, and adsorption time of 60 min.
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  • 收稿日期:  2015-10-23
  • 刊出日期:  2016-11-26
段婧琦, 刘永军, 周璐, 刘羽. 一种污泥活性炭的制备及其在兰炭废水处理中的应用[J]. 环境工程学报, 2016, 10(11): 6337-6342. doi: 10.12030/j.cjee.201506097
引用本文: 段婧琦, 刘永军, 周璐, 刘羽. 一种污泥活性炭的制备及其在兰炭废水处理中的应用[J]. 环境工程学报, 2016, 10(11): 6337-6342. doi: 10.12030/j.cjee.201506097
shu
DUAN Jingqi, LIU Yongjun, ZHOU Lu, LIU Yu. Preparation of activated carbon with dewatered sludge and its application in semi-coking wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2016, 10(11): 6337-6342. doi: 10.12030/j.cjee.201506097
Citation: DUAN Jingqi, LIU Yongjun, ZHOU Lu, LIU Yu. Preparation of activated carbon with dewatered sludge and its application in semi-coking wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2016, 10(11): 6337-6342. doi: 10.12030/j.cjee.201506097
shu

一种污泥活性炭的制备及其在兰炭废水处理中的应用

  • 1. 西安建筑科技大学环境与市政工程学院, 西安 710055
  • 收稿日期:  2015-10-23
基金项目:

国家科技部科技惠民计划项目（2012GS610203）

陕西省教育厅科技产业化项目（15JF021）

榆林市科技局项目（2014cxy-07）

摘要: 以城市生活污水厂脱水污泥和木屑的混合物为原料，利用ZnCl2为活化剂制备污泥活性炭。研究了活化温度、活化时间、固液比和活化剂浓度对吸附性能的影响。在活化温度为650℃、活化时间30 min、固液比1：1.5、活化剂浓度为5 mol·L-1的最佳工艺条件下，制备得到的活性炭碘吸附值为584.85 mg·g-1，利用扫描电镜可以观察到其发达的孔隙结构。将制备的污泥活性炭应用于兰炭废水处理中，结果表明，污泥活性炭的投加量为180 g·L-1，pH为7，吸附时间60 min，挥发酚和氨氮的去除率分别为73.38%和48.27%，废水中污染物浓度明显降低。

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