Method for removing selenium

The present invention is a method for removing selenium, and provides a method capable of easily and efficiently removing pollutants such as selenium or selenium-containing heavy metals from contaminated water or contaminated soil. The method for removing selenium includes bringing selenium-containing contaminated water or contaminated soil into contact with a mixed powder in which 98-20 mass% ofiron powder and 2-70 mass% of iron sulfide powder are mixed. 本发明是硒的除去方法，提供一种能够简易且高效率地从污染水或污染土壤中除去硒或含硒的重金属类等的污染物质的方法。硒的除去方法包括：使含硒的污染水或污染土壤，与混合有铁粉98～20质量％和硫化铁粉2～70质量％的混合粉接触。