| 摘要 |
PURPOSE: Provided are a wastewater treatment system for continuous denitrification and dephosphorization in single activation tank using reaction step judging device, and an operation method thereof. CONSTITUTION: The system comprises a screen, a grit chamber, a flow equalization tank, a first settling tank, an anaerobic tank(5), a single activation reactor(6), a final clarifier(7), a disinfection tank, a thickener(9) and a sludge retention tank. A sensor part consisting of enzyme sensor(101) for measuring the activity of microbes, D.O sensor(102) and a pH sensor is installed inside the single activation reactor. An oxygen supply part consisting of an oxygen depletion control valve(202), a variable blower(203) and a mixer(204) is installed in the bottom or side wall of the single activation reactor. |
