Abstract: A method for treating ship ballast water in which aquatic organisms in the ship ballast water are exterminated by adding hydrogen peroxide or a compound producing hydrogen peroxide in an amount such that a hydrogen peroxide concentration comes to be 10 to 500 mg/L to the ship ballast water, and then providing physical means for causing shear strength and/or cavitation to the ship ballast water.
Type:
Grant
Filed:
February 17, 2006
Date of Patent:
February 28, 2012
Assignees:
Katayama Chemical, Inc., The Japan Association of Marine Safety, Marine Technology Institute Co., Ltd., Laboratory of Aquatic Science Consultant Corporation, M.O. Marine Consulting, Ltd., Mitsui Engineering & Shipbuilding Co., Ltd., Shinko Ind. Ltd.
Abstract: A method for treating ship ballast water in which aquatic organisms in the ship ballast water are exterminated by adding hydrogen peroxide or a compound producing hydrogen peroxide in an amount such that a hydrogen peroxide concentration comes to be 10 to 500 mg/L to the ship ballast water, and then providing physical means for causing shear strength and/or cavitation to the ship ballast water.