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What is the principle of ozone sensor in sewage treatment

May 24, 2021

Ozone sensor is a device that converts the composition and concentration of ozone gas into information that can be used by personnel, instruments, computers, etc. Ozone sensor can be widely used in sewage treatment, circulating cooling water, swimming pool sterilization, deodorization, food preservation, artificial breeding and other fields. In the process of wastewater or wastewater treatment with ozone, the main principle is the strong oxidation of ozone. Whether the production, transmission or reaction of ozone, ozone sensors are needed to monitor, and keep ready to have ventilation equipment. Once there is ozone leakage, can be timely evacuation of dangerous areas of staff, and timely discharge of ozone gas. Finally, in the treatment of exhaust gas, it is necessary to set up a recovery or treatment device, with ozone sensor on the detection of exhaust gas, so as to determine whether the exhaust gas is up to the standard, to prevent pollution of the atmosphere.


Ozone sensor adopts the detection principle of electrochemical, mainly by measuring the target gas into the sensor interior, the current generated when the chemical reaction occurs at the induction electrode, so as to achieve the purpose of detecting its concentration. The sensor is actually a fuel cell component composed of an induction electrode and a negative electrode, which requires no maintenance and is stable for a long time. Because surface ozone is mainly derived from industrial and environmental monitoring, ozone sensors are mainly aimed at emission and air quality monitoring as well as disinfecting-related safety detection.