高级搜索

PAC/AC吸附对超滤膜去除再生水中有机物影响

,  ,  , 

downloadPDF

上一篇

下一篇

孙丽华, 陈雪如, 冯萃敏, 张雅君. PAC/AC吸附对超滤膜去除再生水中有机物影响[J]. 环境工程学报, 2015, 9(7): 3099-3105. doi: 10.12030/j.cjee.20150705
引用本文: 孙丽华, 陈雪如, 冯萃敏, 张雅君. PAC/AC吸附对超滤膜去除再生水中有机物影响[J]. 环境工程学报, 2015, 9(7): 3099-3105. doi: 10.12030/j.cjee.20150705
shu
Sun Lihua, Chen Xueru, Feng Cuimin, Zhang Yajun. Adsorption of powdered activated carbon and activated coke towards organics removal by ultra-filtration in reclaimed wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3099-3105. doi: 10.12030/j.cjee.20150705
Citation: Sun Lihua, Chen Xueru, Feng Cuimin, Zhang Yajun. Adsorption of powdered activated carbon and activated coke towards organics removal by ultra-filtration in reclaimed wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3099-3105. doi: 10.12030/j.cjee.20150705
shu

PAC/AC吸附对超滤膜去除再生水中有机物影响

  • 1.

    北京建筑大学 城市雨水系统与水环境省部共建教育部重点实验室, 北京 100044

  • 2.

    北京建筑大学 环境与能源工程学院, 北京 100044

  • 3.

    北京市市政工程设计研究总院有限公司, 北京 100037

  • 基金项目:

    国家自然科学基金资助项目(51208021,51278026)

  • 中图分类号: X703

Adsorption of powdered activated carbon and activated coke towards organics removal by ultra-filtration in reclaimed wastewater treatment

  • 1.

    Key Laboratory of Urban Stormwater System & Water Environment, Beijing University of Civil Engineering and Architecture, Beijing 100044, China

  • 2.

    School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China

  • 3.

    Beijing General Municipal Engineering Design &Research Institute Co., Ltd., Beijing 100037, China

  • Fund Project:

  • 摘要: 研究了粉状活性炭(PAC)和活性焦(AC)吸附对超滤膜(UF)去除再生水中有机物的效能及其对膜污染的影响。结果表明,PAC和AC吸附预处理可有效改善超滤膜出水水质,投量为40 mg/L时,PAC和AC单独吸附对DOC去除率分别为40.2%和32.6%,超滤出水DOC去除率则由直接膜滤时的21.4%提高至47.2%。UF对大于10 kDa的大分子有机物有较好的截留能力,PAC较AC对中小分子有机物的吸附效果更好。三维荧光(3D-EEM)分析显示,原水中溶解性微生物代谢产物和腐殖质类有机物所占比重较大;直接UF对溶解性微生物代谢产物的去除能力较好,投加PAC和AC促进了紫外腐殖酸和类腐殖酸类有机物去除,紫外腐殖酸EEM峰值分别下降51.7%和48.8%,类腐殖酸EEM峰值下降63.0%和59.9%。投加PAC和AC并经0.45 μm膜预过滤可提高超滤膜通量,其在过滤周期内的下降率由直接膜滤时的27.6%分别降至23.5%和24.4%。AC较PAC更为经济,AC-UF可替代PAC-UF作为经济可行的再生水深度净化工艺。
    Abstract: This study investigates the effects of powdered activated carbon (PAC) and activated coke (AC) adsorption on the removal of organics by ultrafiltration (UF) in sewage reclamation.The addition of PAC and AC prior to UF can effectively improve the removal of dissolved organics by UF,which increases from 21.4% without adsorption to 47.2% after dosing 40 mg/L of adsorbents.PAC shows higher DOC removal than AC does at the same doses.UF exhibits promising removal efficiency towards the organics with high molecular weight (MW) of above 10kDa.PAC shows priority in removing organics with MW of below 10KDa as compared to AC.Three-dimensional emission electron microscope (3D-EEM) analysis indicates that the soluble microbial products and humic organics is dominant organics species in the raw water.UF can effectively remove soluble microbial products,and the adsorption by PAC and AC improves the removal of UV humic acid and humic acid organics.The peak value of UV humic acid decreases by 51.7% and 48.8% whereas that of humic acid decreases by 63.0% and 59.9% after the introduction of PAC and AC,respectively.The adsorption of PAC and AC,followed by 0.45-μm membrane filtration,also alleviates membrane fouling to some extent,and the decreased rate of membrane flux decreases from 27.6% to 23.5% and 24.4% accordingly.AC-UF is an effective and low-cost process and can be implemented in reclaimed wastewater treatment to enhance organics removal.
  • 加载中
  • [1] Shannon M.A.,Bohn P.W.,Elimelech M.,et al.Science and technology for water purification in the coming decades.Nature,2008,452(7185):301-310
    [2] Baghoth S.A.,Sharma S.K.,Amy G.L.Tracking natural organic matter (NOM) in a drinking water treatment plant using fluorescence excitation-emission matrices and PARAFAC.Water Research,2011,45(2):797-809
    [3] Lin Chengfang,Lin A.Y.C.,Chandama P.S.,et al.Effects of mass retention of dissolved organic matter and membrane pore size on membrane fouling and flux decline.Water Research,2009,43(2):389-394
    [4] Saravia F.,Frimmel F.H.Role of NOM in the performance of adsorption-membrane hybrid systems applied for the removal of pharmaceuticals.Desalination,2008,224(1-3):168-171
    [5] Zhang Miaomiao,Li Chun,Benjamin M.M.,et al.Fouling and natural organic matter removal in adsorbent/membrane systems for drinking water treatment.Environmental Science & Technology,2003,37(8):1663-1669
    [6] Wang Xiaomao,Waite T.D.Role of gelling soluble and colloidal microbial products in membrane fouling.Environmental Science & Technology,2009,43(24):9341-9347
    [7] Kim H.C.,Dempsey B.A.Effects of wastewater effluent organic materials on fouling in ultrafiltration.Water Research,2008,42(13):3379-3384
    [8] Huber S.A.,Frimmel F.H.Direct gel chromatographic characterization and quantification of marine dissolved organic carbon using high-sensitivity DOC detection.Environmental Science & Technology,1994,28(6):1194-1197
    [9] 田川.氯/氯胺消毒过程中典型有机副产物生成与控制的研究.北京:中国科学院大学博士学位论文,2013 Tian Chuan.Formation and control of typical organic disinfection by-products during chlorination and chloramination.Beijing:Doctor Dissertation of University of Chinese Academy of Sciences,2013(in Chinese)
    [10] 苏伟.椰壳基微孔活性炭制备与表征研究.天津:天津大学博士学位论文,2006 Su Wei.The preparation and characterization of micro-aperture activated carbon with coconut shell base.Tianjin:Doctor Dissertation of Tianjin University,2006(in Chinese)
    [11] Fan Linhua,Nguyen T.,Roddick F.A.,et al.Low-pressure membrane filtration of secondary effluent in water reuse:pre-treatment for fouling reduction.Journal of Membrane Science,2008,320(1-2):135-142
    [12] Peiris R.H.,Budman H.,Moresoli C.,et al.Understanding fouling behaviour of ultrafiltration membrane processes and natural water using principal component analysis of fluorescence excitation-emission matrices.Journal of Membrane Science,2010,357(1-2):62-72
    [13] Zhu Hongtao,Wen Xianghua,Huang Xia.Membrane organic fouling and the effect of pre-ozonation in microfiltration of secondary effluent organic matter.Journal of Membrane Science,2010,352(1-2):213-221
    [14] 傅平青,刘丛强,吴丰昌.溶解有机质的三维荧光光谱特征研究.光谱学与光谱分析,2005,25(12):2024-2028 Fu Pingqing,Liu Congqiang,Wu Fengchang.Three-dimensional excitation emission matrix fluorescence spectroscopic characterization of dissolved organic matter.Spectroscopy and Spectral Analysis,2005,25(12):2024-2028(in Chinese)
    [15] Jiang Fenghua,Lee F.S.,Wang Xiaoru,et al.The application of Excitation/Emission Matrix spectroscopy combined with multivariate analysis for the characterization and source identification of dissolved organic matter in seawater of Bohai Sea,China.Marine Chemistry,2008,110(1-2):109-119
    [16] Coble P.G.Characterization of marine and terrestrial DOM in seawater using excitation-emission matrix spectroscopy.Marine Chemistry,1996,51(4):325-346
    [17] Świetlik J.,Sikorska E.Application of fluorescence spectroscopy in the studies of natural organic matter fractions reactivity with chlorine dioxide and ozone.Water Research,2004,38(17):3791-3799
    [18] Uyguner C.S.,Bekbolet M.Evaluation of humic acid photocatalytic degradation by UV-vis and fluorescence spectroscopy.Catalysis Today,2005,101(3-4):267-274
    [19] Lee N.,Amy G.,Croué J.P.,et al.Identification and understanding of fouling in low-pressure membrane (MF/UF) filtration by natural organic matter (NOM).Water Research,2004,38(20):4511-4523
  • 加载中
WeChat 点击查看大图
计量
  • 文章访问数:  2005
  • HTML全文浏览数:  1310
  • PDF下载数:  576
  • 施引文献:  0
出版历程
  • 收稿日期:  2014-08-06
  • 刊出日期:  2015-07-02
孙丽华, 陈雪如, 冯萃敏, 张雅君. PAC/AC吸附对超滤膜去除再生水中有机物影响[J]. 环境工程学报, 2015, 9(7): 3099-3105. doi: 10.12030/j.cjee.20150705
引用本文: 孙丽华, 陈雪如, 冯萃敏, 张雅君. PAC/AC吸附对超滤膜去除再生水中有机物影响[J]. 环境工程学报, 2015, 9(7): 3099-3105. doi: 10.12030/j.cjee.20150705
shu
Sun Lihua, Chen Xueru, Feng Cuimin, Zhang Yajun. Adsorption of powdered activated carbon and activated coke towards organics removal by ultra-filtration in reclaimed wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3099-3105. doi: 10.12030/j.cjee.20150705
Citation: Sun Lihua, Chen Xueru, Feng Cuimin, Zhang Yajun. Adsorption of powdered activated carbon and activated coke towards organics removal by ultra-filtration in reclaimed wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3099-3105. doi: 10.12030/j.cjee.20150705
shu

PAC/AC吸附对超滤膜去除再生水中有机物影响

  • 1.  北京建筑大学 城市雨水系统与水环境省部共建教育部重点实验室, 北京 100044
  • 2.  北京建筑大学 环境与能源工程学院, 北京 100044
  • 3.  北京市市政工程设计研究总院有限公司, 北京 100037
  • 收稿日期:  2014-08-06
基金项目:

国家自然科学基金资助项目(51208021,51278026)

摘要: 研究了粉状活性炭(PAC)和活性焦(AC)吸附对超滤膜(UF)去除再生水中有机物的效能及其对膜污染的影响。结果表明,PAC和AC吸附预处理可有效改善超滤膜出水水质,投量为40 mg/L时,PAC和AC单独吸附对DOC去除率分别为40.2%和32.6%,超滤出水DOC去除率则由直接膜滤时的21.4%提高至47.2%。UF对大于10 kDa的大分子有机物有较好的截留能力,PAC较AC对中小分子有机物的吸附效果更好。三维荧光(3D-EEM)分析显示,原水中溶解性微生物代谢产物和腐殖质类有机物所占比重较大;直接UF对溶解性微生物代谢产物的去除能力较好,投加PAC和AC促进了紫外腐殖酸和类腐殖酸类有机物去除,紫外腐殖酸EEM峰值分别下降51.7%和48.8%,类腐殖酸EEM峰值下降63.0%和59.9%。投加PAC和AC并经0.45 μm膜预过滤可提高超滤膜通量,其在过滤周期内的下降率由直接膜滤时的27.6%分别降至23.5%和24.4%。AC较PAC更为经济,AC-UF可替代PAC-UF作为经济可行的再生水深度净化工艺。

English Abstract

    全文HTML

参考文献 (19)

返回顶部

目录

/

返回文章
返回

Copyright © 2019 中国科学院生态环境研究中心