| 摘要 |
PROBLEM TO BE SOLVED: To provide a disinfectant for water treatment which exhibits a high disinfection effect, in a membrane separator for desalting seawater and the like. SOLUTION: An acid, a corrosion inhibitor and an organic acid having amino group within the molecule are included into the disinfectant for water treatment. In a water treatment step using a separating membrane, the acid, the corrosion inhibitor and the organic acid having amino group within the molecule are included into a liquid to be treated in any of the steps before the membrane separating step. The water treatment apparatus having the membrane separator is provided with a means for adding the acid, the corrosion inhibitor and the organic acid having the amino group to the liquid to be treated which is supplied to the membrane separator. COPYRIGHT: (C)2004,JPO
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