| 预臭氧对深度工艺去除臭味和有机物的影响 |
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| 引用本文： | 董秉直,王蕊,郜阔,查巧珍. 预臭氧对深度工艺去除臭味和有机物的影响[J]. 给水排水, 2019, 45(6): 50-53,58 |
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| 作者姓名： | 董秉直 王蕊 郜阔 查巧珍 |
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| 作者单位： | 同济大学长江水环境教育部重点实验室,上海,200092;同济大学环境科学与工程学院,上海,200092;苏州新区自来水有限公司,苏州,215011 |
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| 基金项目： | 水体污染控制与治理科技重大专项 |
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| 摘 要： | 采用中试研究臭氧生物活性炭深度处理工艺去除太湖水的臭味,考察臭味浓度变化以及预臭氧投加量对深度工艺去除土臭素和二甲基异茨醇的效果和影响。试验结果表明,在试验的臭味浓度变化范围内以及有预臭氧的情况下,深度工艺可有效去除臭味,出水的臭味浓度满足国家水质标准。试验还发现,砂滤在去除臭味上起到重要的作用,并与生物活性炭存在互补关系。
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| 关 键 词： | 深度处理工艺 预臭氧 臭味 生物活性炭 |
Influence of pre-ozonation on removal of tastes and odors compounds in advanced treatment process |
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| Dong Bingzhi,Wang Rui,Gao Kuo,Zha Qiaozhen. Influence of pre-ozonation on removal of tastes and odors compounds in advanced treatment process[J]. Water & Wastewater Engineering, 2019, 45(6): 50-53,58 |
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| Authors: | Dong Bingzhi Wang Rui Gao Kuo Zha Qiaozhen |
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| Affiliation: | (Key Laboratory of Yangtze River Water Environment, Ministry of Education, Tongji University, Shanghai 200092, China;School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China;Suzhou New District Water Company, Suzhou 215011, China) |
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| Abstract: | The removal of taste and odor(T&O)in Taihu Lake by ozone-granular activated carbon(GAC)advanced treatment through pilot experiment was investigated and the effects of varying concentration of T&O and pre-ozonation on removal of geosmin(GSM)and 2-methylisoborneol(2-MIB)were evaluated.The experimental result shows that in the cases of range of T&O concentration and by carrying out pre-ozonation,T&O can be removed by advanced process effectively and satisfied national water quality standard.It is also found that sand filtration played a key role for removal of T&O,and has a mutual complementary relationship with GAC. |
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| Keywords: | Advanced treatment process Pre-ozonation T&O Biological activated carbon |
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