煤基活性炭在饮用水处理中的应用现状及发展趋势
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摘要
阐述了煤基活性炭的特性及其吸附机理,分析了粉状活性炭和颗粒状活性炭在饮用水处理方面的应用优势,指出单纯使用活性炭难以去除水中的大分子有机污染物,活性炭吸附组合工艺已经成为水处理行业中的发展趋势,臭氧+生物活性炭组合工艺是目前最重要的水处理工艺,我国大部分自来水厂的深度水处理均采用该组合工艺,该工艺可以有效去除水中有机污染物,并预测煤基活性炭及其组合工艺将是未来饮用水深度处理发展方向。
The characteristics and adsorption mechanism of coal-based activated carbon were described.The application advantages of powdered activated carbon and granular activated carbon in drinking water treatment were analyzed.It is pointed out that it is difficult to remove macromolecular organic pollutants in water by using activated carbon alone.The combination process of activated carbon adsorption has become a developing trend in the water treatment industry. The ozone biological activated carbon combination process is the most important water treatment process at present,and the combination process is used in the advanced water treatment of most waterworks in China.This process can effectively remove organic pollutants in water and predict that coal-based activated carbon and its combination process will be the development direction of advanced treatment of drinking water in the future.
The characteristics and adsorption mechanism of coal-based activated carbon were described.The application advantages of powdered activated carbon and granular activated carbon in drinking water treatment were analyzed.It is pointed out that it is difficult to remove macromolecular organic pollutants in water by using activated carbon alone.The combination process of activated carbon adsorption has become a developing trend in the water treatment industry. The ozone biological activated carbon combination process is the most important water treatment process at present,and the combination process is used in the advanced water treatment of most waterworks in China.This process can effectively remove organic pollutants in water and predict that coal-based activated carbon and its combination process will be the development direction of advanced treatment of drinking water in the future.
引文
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[16]陈国光,朱慧峰,钱静汝.上海供水现状及深度处理工艺改造进展情况[J].给水排水,2015(12):11-13.CHEN Guoguang,ZHU Huifeng,QIAN Jingru.Present situation of water supply and progress of advanced treatment technology transformation in Shanghai[J].Water Supply and Drainage,2015(12):11-13.
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[2]ZAITLIN B,WATSON S B.Actinomycetes in relation to taste and odour in drinking water.myths,tenets and truths[J].Water Res.,2006,40(9):1741-1753.
[3]SHALA L,MASSOUD P,MICHAEL J.Oxidation of five earthymusty tastc and odor compounds[J].American Water Works Association,1986,78(3):62-69.
[4]许静,黄肖容.活性炭水处理技术及其再生方法[J].广东化工,2005(9):29-31.XU Jing,HUANG Xiaorong.Activated carbon water treatment technology and its regeneration method[J].Guangdong Chemical Industry,2005(9):29-31.
[5]叶劲,刘恒,肖克艰.粉末活性炭处理微污染水源水的研究[J].城镇供水,2005(2):54-56.YE Jin,LIU Heng,XIAO Kejian.Study on the treatment of micro polluted source water by powdered activated carbon[J].Town Water Supply,2005(2):54-56.
[6]张秋勉,任柏来,候宝芹.粉末活性炭去除萧山原水异味研究[C]//全国给水深度处理研究会2014年年会论文集.杭州:[s.n.].2014:70-73.
[7]周军.粉末活性炭/超滤工艺处理微污染原水的中试研究[J].中国给水排水,2008,24(11):101-104.ZHOU Jun.Pilot scale study on the treatment of micro polluted raw water by powdered activated carbon/ultrafiltration process[J].China Water Supply and Drainage,2008,24(11):101-104.
[8]KRYSTYNA K,DOROTA S,JOANNA P,et al.Coagulation-ultrafitrationsystem for river water treatment[J].Desalination,2009,240(1/2/3):151-159.
[9]SUMMERS R S.Activated carbon adsorption of humic substances[J].Colloid Interface Sci.,1988,122(2):367-381.
[10]董晴宇,胡海修.饮用水深度处理技术探讨[J].西南给排水,2001,23(5):1-5.DONG Qingyu,HU Haixiu.Drinking water advanced treatment technology[J].Southwest Water Supply and Drainage,2001,23(5):1-5.
[11]张红专,高乃云,王海亮,等.给水预臭氧化与预氯化对比试验研究[J].给水排水,2005,31(4):35-37.ZHANG Hongzhuan,GAO Naiyun,WANG Hailiang,et al.Comparative study on feedwater preozonation and pre-chlorination[J].Water Supply and Drainage,2005,31(4):35-37.
[12]董文艺,张红亮,黄廷林,等.微污染源水的预臭氧化研究[J].中国给水排水,2003,19(12):45-52.DONG Wenyi,ZHANG Hongliang,HUANG Tinglin,et al.Research on micro polluted source water preozonation[J].China water Supply and Drainage,2003,19(12):45-52.
[13]马军,李学艳,陈忠林,等.臭氧氧化分解饮用水中嗅味物质2-甲基异莰醇[J].环境科学,2006,27(12):2483-2487.MA Jun,LI Xueyan,CHEN Zhonglin,et al.The ozone oxidative decomposition of odor substances in drinking water 2-methyl isobutyl camphol[J].Environmental Science,2006,27(12):2483-2487.
[14]赵亮,李星,杨艳玲.臭氧预氧化技术在给水处理中的研究进展[J].供水技术,2009,3(4):6-10.ZHAO Liang,LI Xing,YANG Yanling.Research progress of ozone pre oxidation technology in water treatment[J].Water Supply Technology,2009,3(4):6-10.
[15]安东,李伟光,崔福义,等.固定化生物活性炭强化饮用水深度处理[J].中国给水排水,2001,23(5):1-5.AN Dong,LI Weiguang,CUI Fuyi,et al.Immobilized biological activated carbon enhanced drinking water advanced treatment[J].China Water Supply and Drainage,2001,23(5):1-5.
[16]陈国光,朱慧峰,钱静汝.上海供水现状及深度处理工艺改造进展情况[J].给水排水,2015(12):11-13.CHEN Guoguang,ZHU Huifeng,QIAN Jingru.Present situation of water supply and progress of advanced treatment technology transformation in Shanghai[J].Water Supply and Drainage,2015(12):11-13.
[17]陈国光.关于深度处理工艺运行中需要注意的几个问题[C]//全国给水深度处理研究会2014年年会论文集.杭州[s.n.],2014.