| abstract |
A filter for supplying drinking water generally includes an inlet in fluid communication with an outlet, a halogen releasing system intermediate the inlet and outlet, a filter material comprising chitosan or a derivative thereof intermediate the halogen releasing system and the outlet, and a filter A material and a capture barrier intermediate the outlet can be provided. The filter material can include a chitosan-halogen complex. The filter material can be regenerated during the stagnation period. The filter can have a log reduction value of at least 4 for viruses and a log reduction value of at least 6 for bacteria. |