| abstract |
The present invention provides a purification device applicable to agriculture, fishery, industrial wastewater treatment, water treatment, household wastewater treatment, water treatment, and a household or commercial circulation bath. . SOLUTION: At least a part of the surface has a multi-functional layer made of carbon-doped titanium oxide or titanium alloy oxide, and is provided in flow paths 101 and 102 of the fluid to be treated. A purification member 110 having a structure in contact with the multifunctional layer is provided. [Selection] FIG. |