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饮用水处理工艺去除两种典型内分泌干扰物的性能 被引量:11

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摘要 研究了水中两种典型内分泌干扰物——双酚A(BPA)和邻苯二甲酸二甲酯(DMP)在饮用水常规处理、臭氧活性炭和微曝气活性炭深度处理中试工艺中的去除性能。研究发现,饮用水常规处理工艺对BPA和DMP的去除效果有限,进水浓度为200~300μg/L条件下经过混凝、沉淀和砂滤后,BPA和DMP的去除率分别仅为25.38%和13.29%。臭氧活性炭深度处理工艺能有效去除BPA和DMP,但二者在该工艺中的去除特性有所不同:水中BPA经过臭氧氧化后几乎被全部去除,后续的生物活性炭处理单元作用较小;但臭氧氧化仅可部分去除DMP,大部分靠后续生物活性炭柱去除。微曝气活性炭深度处理工艺也能有效去除BPA和DMP,对二者的去除主要靠微曝气活性炭柱的作用,其效果略优于臭氧投加量为0条件下的臭氧活性炭枉,这说明微曝气活性炭柱存在较多的特定降解菌。通过静态吸附试验发现,臭氧活性炭柱和微曝气活性炭柱内活性炭对BPA和DMP的最大吸附容量均远小于新炭,同时臭氧活性炭柱内活性炭吸附容量略高于微曝气活性炭柱。
出处 《给水排水》 CSCD 北大核心 2006年第4期1-7,共7页 Water & Wastewater Engineering
基金 国家高技术研究发展计划(863)项目(2002AA601130) 国家科技攻关计划重大项目(2003BA808A17)
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参考文献10

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