METHOD FOR TREATING BALLAST WATER AND DEVICE FOR TREATING BALLAST WATER USED THEREFOR

摘要

Provided are a method and corresponding device for treating a liquid, which is ballast water. The method comprises carrying out an aquatic organism-inactivating treatment by electrolyzing a liquid taken in from outside a housing to produce a chlorine-containing substance, carrying out a separation treatment using a centrifugal force with respect to the treated liquid that has been subjected to the inactivating treatment, and storing a supernatant obtained by the separation treatment in a storage means located inside the housing.