What are the processes of hotel wastewater treatment and reuse?

Hotel sewage contains a lot of suspended solids and animal and vegetable oils, which can prevent dissolved oxygen from entering the water body. During the treatment, oil pollution will also lead to the death of microorganisms around Bao Hui due to hypoxia, which will affect the treatment effect. The suspended solids in Dali are mostly food crumbs, which are large in size and difficult to be used by microorganisms. It is easy to block the treatment facilities during the treatment process, which brings difficulties to the treatment. Therefore, the pretreatment of hotel sewage has become a very important link and means in the treatment process. Pretreatment technology is also a process of recycling, and the main processes are coarse granulation, adsorption, air flotation and electrochemical method.

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