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At this stage, the water treatment technology used in our country is mainly composed of mixing, filtration, flocculation, sedimentation and disinfection
.
This conventional water treatment technology has the advantages of low cost, simple system and simple process, and it purifies and treats the water quality by filtering viruses, reducing water turbidity, settling bacteria, adsorbing organic pollutants and agglomerating microorganisms
Figure 1-6 Typical process flow of water supply treatment
Of course, conventional water treatment technology has certain limitations, and the following problems exist in terms of technology
.
First, for excessive organic pollutants, high turbidity water, low temperature and low turbidity water, and high nitrogen content water, the ideal treatment effect cannot be achieved