Online respirometer SN8
Real-Time Process Control and Optimization
The SN8 is an online respirometer designed to interact with the process and serve as a tool for its better control and optimization. For this purpose, the SN8 consists of oxygen, temperature, pH and ORP probes. It allows the control of the main processes of a wastewater treatment plant: organic matter degradation, nitrification and denitrification.
Tests and parameters
By means of the SN8 respirometer, the following tests are performed, which provide the following parameters continuously and automatically:
- Global Respirometry: OUR (mg O2/l.h), SOUR (mg O2/g.h)
- Nitrification rate: AUR (mg NH4/l.h), SAUR (mg NH4/g.h)
- Denitrification rate: NUR
- Hydraulic Retention Time (HRT)
- Oxygen needed
- Mud Age (TRC)
- Biodegradable COD
Applications
- TOXICITY. Spill detection.
- Advanced Aeration Control (SICAIR), based on respirometry
- Optimization of the DESNITRIFICATION
- Optimization of NITRIFICATION
- Optimization of PLANTS WITH DILUTION EFFECTS
- Calculation of biodegradable COD
Inconvenient activated sludge process
- Slow dynamics making it difficult to make decisions when problems arise. Whatever measure is decided, its effects on the process will not be clearly observed for a few days.
- This fact makes it especially relevant, on the one hand, to detect problems as early as possible and, on the other hand, to make the right decisions from the very beginning. However, it is not possible to evaluate the biological process with physical or chemical measurements, direct information of the biomass and the effect of the wastewater to be treated on it is needed, as the SENSARA respirometers do.
Advantages SN8
- Automatic cleaning module every test cycle with service water.
- Integrated recirculation module during testing.
- Control of more than one reactor with the same equipment.
- Low maintenance sensors.
- Reproduction of the process under real conditions.
- Possible installation at different points of the process.
- Configured with MODBUS TCP communication, 4-20 or 0-10V outputs, for integration with the plant control system. Remote control, database and email alerts.
Electrical and software specifications
- User interface via Teamviwer, Anydesk, etc.
- OUR/SOUR, AUR/SAUR Automatic Calculation Software
- Trend graphs.
- Data history.
- Wifi, Ethernet connection.
- Modbus communication.
- Data export
SN8 Benefits for water treatment plants
SN8 Summary of Benefits and Specifications
Key Benefits:
- Automatic Cleaning: Includes an automatic cleaning module that is activated during each test cycle.
- Operational Flexibility: Controls more than one reactor with a single unit and allows installation at different points in the process.
- Low Maintenance: Equipped with durable oxygen, pH, temperature and ORP sensors.
- Real-Time Optimization: Reproduces real conditions of the biological process to improve decision making immediately.
- Full connectivity: MODBUS TCP compatible configuration, 4-20 mA or 0-10 V outputs, and remote control via WiFi or Ethernet connection.
- Automatic Notifications: Real-time alerts via e-mail to maintain constant control.
Technical Specifications:
- Tests that can be performed:
- OUR/SOUR(Global Respirometry).
- AUR/SAUR(Nitrification Rate).
- NUR (Denitrification Rate).
- HRT (Hydraulic Retention Time) and HRT (Sludge Age).
- Biodegradable COD.
- Main applications:
- Advanced Aeration Control (SICAIR) based on respirometry.
- Toxicity and spill detection (SICTOX).
- Optimization of nitrification, denitrification and plants with dilution effects.
- Design and Technology:
- Integrated recirculation module during tests.
- User interface via TeamViewer, AnyDesk or other platforms.
- Automatic calculation software and trend graphs.
- Data history exportable to PC.
- WiFi, Ethernet and Modbus communications.