澳洲墨尔本论文代写 地下水

由于城市化,抽水的城市地下水越来越多,但增加较少。工业、市政、民间组织和人民生产的废水大量排入江河,有的经处理后不达标,有的甚至没有处理。城市化导致的非点源污染(格林et al.,2008)。随着城市化进程的加剧,废水排放的数量和速度已超出河流自净能力,导致水体污染越来越严重。在工业生产过程中,产生大量的各种工业废弃物是不可避免的。这些垃圾和废物被运往郊区掩埋.。但目前大量的垃圾是不认真对待不覆土表面或防止滤液此外浸润等,城市化进程加快的空气污染主要由火力发电厂、民用炉灶、工业锅炉以及燃气生产工业过程和车辆排放。

澳洲墨尔本论文代写 地下水

Because of urbanization, pumping of groundwater in the city becomes more and more, but the addition is less. Waste water produced by industrial, municipal and civil organizations and people is poured into rivers, some of which has not met the standard after treatment and some even do not has the process of treatment. The urbanization leads to the non-point pollution(Grimm et al., 2008). With the aggravation of urbanization, the quantity and speed of waste water emissions is beyond self-purification ability of rivers, which leads to more and more serious water pollution. In the process of industrial production, it is inevitable to produce a huge number of all kinds of industrial wastes. These garbage and wastes are shipped to be buried in the suburb. But at present a considerable amount of landfill is not seriously treated without soil covering the surface or preventing leach ate infiltration etc. In addition, the urbanization accelerates air pollution which mainly caused by the thermal power plant, civil stoves, and industrial boilers as well as gas produced in industrial process and vehicle emissions.

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