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| 1 | Changes in different organic matter fractions during conventional treatment and advanced treatment显示文摘XAD-8 resin isolation of organic matter in water was used to divide organic matter into the hydrophobic and hydrophilic fractions. A pilot plant was used to investigate the change in both fractions during conventional and advanced treatment processes. The treatment of hydrophobic organics (HPO), rather than hydrophilic organicas (HPI), should carry greater emphasis due to HPO's higher trihalomethane formation potential (THMFP) and haloacetic acid formation potential (HAAFP). The removal of hydrophobic matter and its transmission into hydrophilic matter reduced ultimate DBP yield during the disinfection process. The results showed that sand filtration, ozonation, and biological activated carbon (BAC) filtration had distinct influences on the removal of both organic fractions. Additionally, the combination of processes changed the organic fraction proportions present during treatment. The use of ozonation and BAC maximized organic matter removal efficiency, especially for the hydrophobic fraction. In sum, the combination of pre-ozonation, conventional treatment, and O 3 -BAC removed 48% of dissolved organic carbon (DOC), 60% of HPO, 30% of HPI, 63% of THMFP, and 85% of HAAFP. The use of conventional treatment and O 3 -BAC without pre-ozonation had a comparable performance, removing 51% of DOC, 56% of HPO, 45% of HPI, 61% of THMFP, and 72% of HAAFP. The effectiveness of this analysis method indicated that resin isolation and fractionation should be standardized as an applicable test to help assess water treatment process efficiency. | Chao Chen Xiaojian Zhang Lingxia Zhu Wenjie He Hongda Han | 2011 | Journal of Environmental Sciences2011，23，4： | 7 |
| 2 | 北京市某区供水管网水质变化研究及模拟显示文摘管网水质稳定性是安全供水的一个重要问题,因此需要研究管网中水质变化规律。由于管道的封闭性,通常很难进行大面积管网水质监测。管网水力与水质模型为研究管网水质变化提供有力支持。通过实际监测和实验室内管段模拟试验分析了北京市某区供水管网中水质变化的规律,建立了供水管网水力水质模型,并应用建立的模型模拟了该区管网水质的变化过程。 | 徐强 陈求稳 刘锐平 顾军农 | 2008 | 给水排水2008，34，5： | 3 |
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