| 摘要 |
A method of purifying water comprises contacting the water with a quaternary oxide while exposing the quaternary oxide to visible light, the quaternary oxide containing a dopant metal, a dopant nonmetal, titanium, and oxygen. The atomic ratio of titanium, oxygen and dopant nonmetal is 1 : 0.5 - 1.99 : 0.01 - 1.5. |
