The Sentry System is an online sewage biochemical warning system based on MEC microbial electrochemical sensor technology. As a new water quality monitoring technology, MEC sensors have demonstrated corresponding value in water toxicity warning, real-time BOD monitoring, aeration optimization, and denitrification carbon source feeding optimization. It can be used as an effective monitoring tool for illegal discharge of wastewater in the park, abnormal pipeline network, and traceability.
The sentinelsystem”It is a microbial electrochemical sensor technology based on MECMEC online wastewater toxicity monitoring systemThis device can provide real-time biochemical data of incoming water, and can alarm within 60 seconds in the event of water toxicity, impact load, or illegal discharge, helping operators detect abnormalities in a timely manner and protecting the process from impact. In addition to its response speed far exceeding conventional analysis methods, this technology also has the characteristics of easy installation, no consumables, and no need for daily maintenance, making it particularly suitable for sewage treatment plants with large fluctuations in incoming water quality and complex inflow components.
What is the principle of MEC sensors?
MEC sensors are a type of sensorMicrobial electrochemical sensorIt monitors water quality by attaching microorganisms to the surface of the sensor.
When we put the sensor into wastewater, organic matter is oxidized to carbon dioxide by microorganisms at the anode, releasing several electrons. The generated electrons are transferred to the cathode for reduction reaction and utilized, thus forming a complete electrical pathway in the system.The metabolic activity of microorganisms provides immediate feedback with changes in their living environment (BOD, B/C ratio, toxic components, temperature, etc.)The real-time changes in organic matter concentration in water samples affect the metabolic activity of microorganisms, resulting in different signal intensities.During operation, the signals in the circuit are recorded by the system and fed back to the background. After processing, they form the data we need.How does MEC online sewage toxicity monitoring system achieve biochemical warning of incoming water?Let's take a look at the real-time signal graph below.
From the graph, it can be seen that before September 13th,Equipment signal stabilityIndicate that the biochemical indicators of the incoming water are stable.At 1:50 pm on the 13th,Sensor signal decreaseIndicating the entry of inhibitory substances into the sewage treatment plant, the signal decreased by about 70% due to the effective dilution of concentration by the regulating tank and the short duration, and no alarm was triggered.At 7:50 pm on September 15th, inhibitory substances entered the sewage treatment plant again. The impact lasted for 30 hours, and the regulating tank lost its buffering effect. The signal hit the bottom and the equipment alarm sounded.At 2:00 am on September 16th, after 30 hours of continuous water inflow, the signal gradually recovered, indicating the disappearance of inhibitory substances and the return of normal water inflow.That is to say, through real-time data from MEC sensors,The originally passive water impact event has become a visualized processWastewater treatment plants can quickly identify problems and intervene in advance, bringing great convenience to operational control.What are the advantages of MEC online sewage toxicity monitoring system in early warning of incoming water biochemistry?What is the upper function of MEC sensorsindigenous microorganismUsing the activity changes of indigenous microorganisms to characterize the changes in the biochemical characteristics of incoming waterAccuracy, cost, ease of use, and data frequencyOnline COD analyzer, respiratory rate meter, bioluminescent bacteria, and other methods are used.2. The data frequency of MEC sensors is high,Reading per minuteIt can also capture unexpected events.
3. The use cost of MEC sensors is low,No consumables, no mechanical components, no need for daily maintenance，Bringing the most user-friendly experience to users.
As a new water quality monitoring technology, MEC sensors areWater warning, real-time BOD monitoring, aeration optimization, and optimal addition of denitrification carbon sourcesIt has demonstrated its value in terms of culture. In machine learning based process control models, the real-time biochemical data provided by MEC sensors also demonstrates higher fitting accuracy than traditional monitoring data, with unlimited potential.
If your sewage treatment plant also faces problems such as toxic impact on incoming water and unstable organic load, we hope to establish an effective warning mechanism, “Online sewage biochemical warning system”It may be your best choice.
