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H2S | Sewage | Gas Measurement | ATEX

Hydrogen sulphide monitoring in sewerage systems

With high-precision sensors, you can reliably monitor sewer systems for hydrogen sulphide (H2S). With real-time data transmission and automated alarm functions, they ensure maximum safety and protection of your infrastructure. Benefit from rugged ATEX data loggers and sensors that work reliably in harsh environments and provide early warning of hazards.

What is hydrogen sulphide monitoring in sewers?

This refers to the continuous measurement and control of the concentration of hydrogen sulphide (H₂S) gas in sewers and similar environments. Hydrogen sulphide is a toxic and potentially dangerous gas produced by the decomposition of organic material under anaerobic conditions, as is often the case in sewer systems.

Monitoring hydrogen sulphide in sewer systems helps to maintain the safety and integrity of the infrastructure, minimise health risks and detect environmental problems at an early stage.

Why should hydrogen sulphide be monitored in the sewer?

Health protection

Hydrogen sulphide (H₂S) is a toxic gas found in wastewater systems. Reliable monitoring protects against dangerous H₂S concentrations and prevents health hazards.

Early hazard warning

Real-time monitoring of hydrogen sulphide allows dangerous concentrations to be detected immediately. Automated alarms enable rapid countermeasures to prevent accidents and explosion hazards.

Corrosion protection

Hydrogen sulphide can lead to the formation of sulphuric acid, which can severely corrode sewerage systems. Accurate measurement and regular monitoring can detect and minimise damage to infrastructure.

Extended service life

Continuous monitoring of hydrogen sulphide allows timely maintenance action to be taken, extending the life of the sewer system and its components.

Environment

H₂S can cause environmental damage if released in an uncontrolled manner. Monitoring helps to reduce the environmental impact by signalling problems at an early stage.

Efficient maintenance

By monitoring hydrogen sulphide, maintenance can be planned in a targeted and efficient manner, extending the life of the infrastructure and reducing costs.

Use case:
Monitoring hydrogen sulphide in sewers

  • Monitoring hydrogen sulphide levels in sewers with ATEX certified data loggers and sensors.
  • Remote configuration of the device in the sewer via the IoT platform. The data collected in the sewer is transmitted at regular intervals via mobile radio to the platform, where it is available for reporting. Alerting and triggering of actions when a defined value is exceeded.
  • Automatic dosing control for preventive dosing of appropriate chemicals to reduce H2S in the sewer.

The ideal ATEX datalogger for measuring hydrogen sulphide

Do you need to monitor the concentration of hydrogen sulphide in the sewer? Then the rugged ATEX data logger myDatasens is for you!

The data logger gives you live data from the harshest environments and achieves a battery life of 10 years (with 4 hours of data transmission).

Sensors for measuring hydrogen sulphide in the sewer

Various sensors are available for monitoring hydrogen sulphide concentration. They can also measure ammonia (NH3) and hydrogen peroxide (H2O2). This video will help you choose the right sensor.

Sensor exchange: innovative, fast practical

If the sensor module needs to be replaced, the innovative replacement concept makes it quick and easy. Simply drive to the measurement point with the new sensor module and replace it. The magnetic contact ensures that the sensor module is inserted correctly. The ‘old’ module is sent in for calibration and then reused.

This means there are no data gaps and no wasted resources.

Dosage control: automatic effective

Use the data obtained as the basis for automatic dosing control. If too high a concentration of hydrogen sulphide is detected, the chemicals are automatically dosed. Preventive dosing to avoid H2S is also possible.

Reactant level measurement also ensures continuous operation and enables automated logistics with minimal labour costs.

Industry solution:
H2S measurement on-demand dosing

HeGo Biotec offers an efficient solution to combat odour nuisance and biogenic corrosion caused by hydrogen sulphide (H₂S). The system continuously measures the concentration of H₂S in the ambient air and transmits the data to a central platform via mobile radio every four hours.

Based on this data, a 45% calcium nitrate solution is dosed as required to reduce the H₂S concentration to close to 0 ppm.

Configuration, updates, reports and more

The myDatasens transmits the collected data to the central platform. The sensor exchange described above means that there are no data gaps.

The data can be evaluated and analysed on the platform. You can also configure the data logger to suit your individual requirements. Updates can be made over the air.

Reports for the fulfilment of recording obligations can be created automatically and sent as PDF files. This significantly reduces the effort required for data processing and archiving.

Fighting hydrogen sulphide from a distance

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