Chelsea Technologies Group announces ClassNK Certification for Sea Sentry

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Chelsea Technologies, a world leader in the design and manufacture of sensors for the maritime sector, announced that its Sea Sentry wash water monitoring system for ship exhaust gas cleaning systems has been certified by ClassNK. The certification provides assurance to shipowners and operators that all available measures have been taken to verify that Sea Sentry provides accurate and robust data to demonstrate compliance with IMO Annex VI wash water discharge regulations. It also underpins Chelsea Technologies’ commitment to achieving type approval for all of its systems.

Accurate monitoring for compliance with environmental regulations is a vital prerogative for the international shipping industry, particularly ahead of the 2020 global sulphur cap. Owners and operators are under increasing scrutiny to not only install costly compliance technologies but also to provide accurate data to demonstrate compliance, whilst also maintaining operational efficiency, profitability and protecting their reputation within the market.

According to Platts and Bloomberg data, the installation of exhaust gas cleaning systems (scrubbers) is an attractive compliance option that affords owners and operators the opportunity to continue to burn Heavy Fuel Oil (HFO) at a lower cost; with estimates tagging the post-2020 fuel spread between HFO and distillates as varying between USD 150 and USD 400 per tonne (p/t), depending upon the port.

Whilst the payback period is relatively short, scrubbers are a costly capital expenditure – ranging from $2m to $6m per unit – and so it is crucial that compliance with environmental regulations can be proven. All varieties of wet scrubber systems use wash water which must be monitored at all times to avoid discharges that may exceed regulations and damage the environment.

Dr Brian Phillips, Managing Director of Chelsea Technologies Group, said that “Shipowners and operators have crucial decisions to take ahead of the 2020 sulphur cap. For those taking the decision to invest in scrubbers, it is critical that vessel operators work with knowledgeable experts to receive the training they need to operate new systems, along with the understanding to be able to interpret and apply the data, and prove compliance. Acting now will ensure companies stay ahead of regulations and will continue to trade across the globe.”

Dr Phillips said that “Achieving ClassNK certification is a significant step in our commitment to obtaining type approval for all of our monitoring systems, offering our customers the assurance that our systems meet the utmost standards in quality, accuracy, and operational efficiency.”

Sea Sentry provides a fully autonomous wash water monitoring system, which monitors both the water inlet and outlet of wet exhaust gas scrubber systems.

Sea Sentry has the ability to accurately measure the polycyclic aromatic hydrocarbon, absorbance, turbidity (to ISO 7027: 1999), temperature and pH of scrubber washwater. It can monitor open-loop, closed-loop and hybrid scrubber systems, setting the gold standard for accurate wash water monitoring.

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