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人类文明伊始,废水排污处理是非常突出的问题,一直围绕在人们的周围。早在公元前1500年,古希腊人就已经发明了冲水式厕所及连同下水道的设计,这项发明被广泛认为是古罗马帝国最伟大的成就之一。然而,到20世纪40年代后期,即使在美国的主要城市,大部分的污水未经处理就直接排入河流、湖泊之中,极大地破坏了生态环境。因此,随着环保法规及标准的不断更新、完善,所有工厂面临的问题就是:如何通过技
At the beginning of human civilization, sewage disposal is a very prominent issue, has been around the people around. As early as 1500 BC, the ancient Greeks had invented the flushing toilet and the design of the sewer. This invention is widely regarded as one of the greatest achievements of the ancient Roman Empire. However, by the late 1940s, most of the sewage, even in major cities in the United States, was discharged into rivers and lakes directly without any treatment, greatly damaging the environment. Therefore, with the continuous updating and perfection of environmental regulations and standards, all factories are faced with the problem of how to adopt technology