| 摘要 |
PURPOSE: A manhole having air purification, deodorization, pollution prevention effect using photo catalyst is provided to sterilize bacteria in manhole, remove all kinds of pollution continuously. CONSTITUTION: A manhole having air purification, deodorization, pollution prevention effect using photo catalyst is composed as follows. The manhole is manufactured that synthetic resin having strong intensity, metal, ceramic, and concrete etc are formed by attaching photo-catalyst powder, or a photo-catalyst coating layer is formed on the inner surface of the manhole. |
