| 摘要 |
PROBLEM TO BE SOLVED: To highly efficiently remove selenium in a shorter time compared to addition of a reducing agent in a solution state when reducing the selenium.SOLUTION: In a treatment method of selenium-containing waste water, for introducing the selenium-containing waste water to a reaction tank, adding a reducing agent into the reaction tank, and coprecipitating/removing selenium together with the reducing agent, powder of ferrous salt is used as the reducing agent. |
