Waste water treatment method employing a continuous respiration meter and an apparatus thereof

摘要

Disclosed herein is a method for treating a waste water comprising a high concentration of organic substances in a stable and controllable manner and an apparatus therefor. The method comprises the steps of determining continuously a dissolved oxygen(DO) within a reactor in which the waste water is biologically degraded by using a continous respiration meter; determining a relationship between a loading rate and a respiration rate by using the DO value transmitted as an electrical signal from the respiration meter, establishing a set loading rate which is optimum for the reactor, and controlling the waste water input flow rate into the reactor in order to maintain a loading rate of the influent waste water is to be close to the set loading rate. The apparatus comprises a continous respiration meter for detecting the DO within a reactor and a control part for determining a relationship between a loading rate and a respiration rate and controlling the waste water input flow rate into the reactor.