Chelsea Technologies Group’s (CTG) Sea Sentry Exhaust Gas Scrubber Water Monitoring System has achieved DNV GL Statement of Compliance for MEPC.259(68) – The 2015 Guidelines For Exhaust Gas Cleaning Systems.
The Sea Sentry system enables the monitoring of wash water from wet exhaust gas cleaning systems (EGCS), also known as scrubbers, a technology used to reduce sulphur oxides (SOx) emissions from ships. By measuring pH, PAH, turbidity, temperature, Sea Sentry confirms that that the wash water is within acceptable limits and thus protects the environment from high levels of contamination in EGCS wash water discharge.
Sea Sentry monitors both the sensor inlet and outlet of wet EGCS and features a de-bubbler and corrects for the effects of turbidity, UV absorbance and temperature.
DNV GL carried out stringent testing on the Sea Sentry, showing that it met the requirements for calibration range, drift, accuracy, precision and noise, and mitigated the influence of turbidity, UV absorbance, temperature and salinity. The de-bubbler and the use of the test kit supplied to validate the optical sensors was also deemed sufficient to meet the requirements of DNV GL.
Sea Sentry also features a touch screen display that provides a flexible user interface. Data is relayed to a main control system via an Ethernet connection.
Sea Sentry can be applied to new builds and as a retrofit installation.
Image: Courtesy of Chelsea Technologies Group.
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