| abstract |
(57) [Abstract] [Problem] To disinfect wastewater such as sewage in rainy weather in a short time. SOLUTION: A disinfecting method of adding a bromine or iodine disinfectant to water to obtain disinfecting water, and adding the disinfecting water to predetermined wastewater. An apparatus for producing disinfecting water from a disinfectant and waste water, a sand basin, and a flow path for introducing the disinfecting water into the sand basin, wherein the waste water is disinfected while staying in the sand basin. |