| abstract |
(57) 【Abstract】 PROBLEM TO BE SOLVED: To provide a stable nitrogen removing function in a biological denitrification process, and to efficiently remove harmful substances contained in wastewater, particularly selenium, to treat wastewater from a thermal power plant. I will provide a. SOLUTION: The method of treating wastewater of a thermal power plant is characterized in that the wastewater of the thermal power plant is adjusted to pH 5 or less, brought into contact with iron, subjected to coagulation treatment and solid-liquid separation, and then subjected to biological denitrification treatment. . |