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Water pollution is one of the inevitable problems that hinder social and economic development. Through laws, economic regulations and neighboring countries cooperation, Germany implements a wide range, highly efficient and modern mechanism to protect water resources. The representative features of this mechanism are the tight legislation, the strict law enforcement and the scientific management. Learning...
The microbial re-growth of the pipe wall biofilm in water distribution system may endanger the safety of drinking water, so it is necessary to research the biofilm microbe. In order to study the diversity and growth of biofilm bacteria, a model pipe network which dynamic simulated the distribution system was designed. The bacteria of the model biofilm were cultivated by using R2A. The results shows...
Applied the OTOXI module and EUTRO module of WASP7.2 model to carrying out forecast analysis on attenuation condition of the main water quality control factors within second-level protection area which delineated by experience value, took the reality water volume of 2007 and forecast water volume of 2010, 2020 as the validating condition, demonstrated the rationality of the second-level protection...
The blend membranes of Poly(vinylidene fluoride) (PVDF), Polymethylmethacrylate (PMMA), and beta-cyclodextrine (beta-CD) were prepared by the phase inversion method, and their properties were investigated. The removal of four aromatic compounds (pyrene, acenaphthene, anthracene, and aniline) dissolved in water by prepared membranes was investigated. The experimental results showed that PVDF/PMMA/beta-CD...
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