Optimarin Treatment Ballast Water Treatment System

The Optimarin AS ballast water management system officially became the first Coast Guard-approved method for U.S. waters Friday.

it is the first of multiple system approvals that are needed to mitigate the threat of harmful aquatic invasive species,” said Rear Adm. Paul Thomas, assistant commandant for prevention policy, in announcing the formal decision. “One size does not fit all, so we will continue to evaluate other systems submitted by multiple manufactures with the intent to provide options that meet shipping’s varying needs.”

Norway-based Optimarin uses filtration as a pre-treatment when vessels are taking on ballast water, combined with high doses of ultraviolet irradiation to kill or render non-viable marine microorganisms, bacteria and viruses.

Optimarin promotes its technology as one of the few treatment options that do not require use of chemicals or biocides for its treatment and cleaning cycles. The system

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