Ballast Water Management System
To maintain hull stability and sailing safety, seawater (ballast water) is pumped
into the ballast tanks of empty cargo vessels and tankers. This ballast water is
later discharged at ports of loading, where negative affects on ecosystems have
been pointed out in that the ballast water contains marine organisms from an ocean
area different from the area where the organisms are released.
In 2004, the International Maritime Organization (IMO) adopted the International
Convention for the Control and Management of Ships’ Ballast Water and Sediments,
requesting installation of equipment to properly process the ballast water on board
from other countries. The convention will enter into force once it has been ratified
by 30 countries representing 35% of the world’s gross tonnage. As one of IMO approved
vendors in Japan,
M/s. JFE Engineering Corporation is already developing a Ballast Water Management
System for ships that is friendly to the marine environment.
Their latest system treats ballast water by using a high performance filter to return
many living organisms to their original sea zone when seawater is ballasting into
the tanks of the ship, thence processing the small plankton and bacteria in the
filtered water using chemicals and cavitations (a phenomenon that generates bubbles
by compressing and then rapidly releasing flow velocity,), and finally de-ballasting
the treated water into the sea after the small quantities of residual chemicals
have been neutralized to ensure they are non-polluting.
ISS Machinery Services Limited is pleased to announce that we recently tied up with
above business partner,
M/s. JFE Engineering Corporation who newly developed Ballast Water Management
System called “JFE Ballast Ace”. IMO has adopted regulations that will affect nearly
all vessels in the coming years.
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