Ballast Water Problem: Current Status and Expected Challenges

Transporting non-native species in ballast tanks has been a major challenge over the years. The number of surviving host environment is quite small compared to those all introduced. However, even single can cause great harm environment, economy, and public health. Ballast water treatment issues are difficult complex as performance highly affected by variable characteristics seawater. In addition, targeted organisms wide spectrum. International Convention on Control Management Ship Water Sediments requires ships manage with Type Approved System compliance discharge standard defined Convention. Systems Approval (G8) Guide was revised 2016 accepted BWMS Code (Ballast Code) mandatory regime 2018. According implementation schedule this approval regime, management system installed or after 28 October 2020 must be type-approved according IMO’s G8 requirements. Several systems use different methods their limitations. problem does not seem end only installation ships. Although substantial international progress made (both technically regulatory), there still several regarding effectiveness, monitoring, environment.