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Riviera – News Content Hub – Type-approvals slowing down – Riviera Maritime Media

The number of BWTS being presented for type-approval at the Environment Protection Committee of IMO and the US Coast Guard is declining
The number of ballast water management systems (BWMS), being submitted for type-approval by the US Coast Guard (USCG) and/or IMO has been slowing down and so far in 2023, only the Shanghai Electric Cyeco BWMS has been granted USCG type-approval.
This BWMS is described as a filter and UV reactor series, with USCG type-approval capacities listed as 100 to 1600 m3 per hour. Currently, there are seven BWMS under USCG review:  Samkun (ARA Plus+); ERMA First (FIT); Techcross (ECS-HYCLHOR 2.0); Bawat (Bawat BWMS Mk2); Semb-Eco Pte, Ltd (LUV U1); HANLA IMS (EcoGuardian NF); and Knutsen Ballast Water AS (KBAL BWMS).
Some of the same BWMS are also on the agenda to be officially approved at the 80th meeting of the Marine Environment Protection Committee (MEPC) in July 2023, and it is usual for type-approvals to be waved through.
This is expected for the Techcross ECS-HYCHLOR 2.0 BWMS, which has a treatment principle consisting of filtration and electrolysis during uptake and neutralisation at discharge.
DNV was the type-approval partner for the Norwegian Maritime Authority (NMA) and type-approved the One-Pass Mode of the KBAL BWMS, manufactured by Knutsen Ballast Water AS. In the One-Pass Mode, the BWMS treats ballast water at uptake with a pressure drop generated in a pressure vacuum (PV) reactor, followed by UV radiation treatment in a UV chamber. There is no treatment at discharge.
Another BWMS featuring at MEPC 80 and under review for USCG type-approval is the ERMA FIRST BWTS, model FIT 75-3000, developed by ERMA FIRST ESK and submitted to MEPC 80 for approval in freshwater. The ERMA FIRST BWTS is an autonomous, modular design for the treatment of ballast water via filtration and full-flow electrolysis. The treatment of the water is considered instant, and no holding time is required.
Hyundai Heavy Industries has submitted further information to MEPC 80 on the chemicals involved in the treatment process of its HiBallast 2.0 BWMS. The MEPC 80 submission documents the treatment process as the use of a sodium hypochlorite solution and neutralisation using sodium thiosulfate, before discharging overboard during ballast water discharge. MEPC 80 has been asked to consider the BWMS for Basic Approval.
In addition, NK Co’s BlueBallast II Plus NK-O3 is expected to be granted IMO approval. The BlueBallast II Plus NK-O3 range includes products with flow rates from 200 m3 per hour to 8,000 m3 per hour, incorporating an ozone generator manufactured by Degremont Technologies AG and a TRO neutralisation unit manufactured by NK Co, Ltd. In the submission, MEPC is invited to consider whether the BlueBallast II Plus NK-O3 BWMS meets the ballast water performance standards required by regulation D-2.

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