An apparatus for treating a liquid, the present invention provides a filter module comprising a filter, an inlet for liquid, a first outlet for liquids and a second outlet for liquids that are filtered, is positioned on a first side of the filter outlet and the first inlet is positioned on a second side of the filter, and the filter module, the first having an ultraviolet source in the first outlet of the second A UV treatment module and is connected to the first outlet of the filter module is configured to exposure to ultraviolet radiation from the ultraviolet source, a first liquid with receiving the liquid from the filter module, the first A UV second processing module having a disinfection module, a UV source, the second is connected to the outlet of the second filter module, first the liquid as well as receiving the filtered liquid from the filter module a is configured to be exposed to ultraviolet radiation from the ultraviolet radiation source 2, and a disinfection of the second module, an apparatus for treating a liquid. [Selection] Figure Figure 1
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