| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic wastewater treatment apparatus capable of removing nitrogen and phosphorus in organic wastewater at the same time, which is easily introduced in existing facilities.SOLUTION: An organic wastewater treatment apparatus 1 for use includes: a biological reaction tank 3 having an anaerobic treatment region 11, an adjustment region 12 in which the atmospheric range can be adjusted, and an aerobic treatment region 13 in this order; an ammonia concentration measuring device 5 which measures the ammonia concentration in the treatment water in the aerobic treatment region 13, a total nitrogen concentration measuring device 7 which measures the total nitrogen concentration of the treatment water flowing out from the biological reaction tank 3; a phosphorus concentration measuring device 8 which measures the total phosphorus concentration of the treatment water flowing out from the biological reaction tank 3; and a control part 9 which adjusts the atmospheric range in the adjustment region 12 on the basis of the values measured by the ammonia concentration measuring device 5, the total nitrogen concentration measuring device 7, and the total phosphorus concentration measuring device 8. |
