Amiad Filtration Systems (from my cousin’s Kibbutz) has won a 10 year contract with Calgon Carbon Corporation for cleaning ships’ ballast water. Amiad’s Arkal automatic self-cleaning disc filtration technology also protects the marine environment from invasive species transported by ballast water.
http://www.globes.co.il/serveen/globes/docview.asp?did=1000740643&fid=1725