Suspended solids & SVI analysis.Discover S3A
Sulphide (or sulfide) is an inorganic anion of sulphur and when dissolved in water, can be very aggressive and lead to corrosion. They can also lead to odour issues.
In the wastewater industry, sulphides can be measured online to monitor odour issues or as an early warning measurement in sewers. In sewers, the presence of sulphide can lead to sulphuric acid generation which can damage the sewer infrastructure.
The most common method for determining sulphide concentration is colorimetry as this has a low detection limit. In sewer networks or at a wastewater treatment works, a better approach is often the use of UV spectroscopy as the sensor can be dipped directly in the medium and does not consume reagents.
In the oil and gas industry, sulphides are measured to define the concentration of sulphide in ‘sour water’ prior and after removal via stripping.
An industrial colorimeter for sulphide measurement in the oil and gas industry
Protect your wastewater assets with an H2S control system.
Sulphide builds up in sewers is a serious issue for water utilities. Aside from the noxious smell associated with the generation of hydrogen sulphide (H2S) which may upset local communities.
In this case study, a wastewater treatment works monitored sulphide at the inlet of their works to optimise dosing of odour control chemicals and minimise H2S issues.
Speak to the PMA team about your instruments, reagents or service requirements. Tell us what you need, and we’ll help you find the right next step.
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