Production of ultra-high concentration ozone water using innovative water electrolysis technology

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K05588
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Green/Environmental chemistry
• Research Institution: Kogakuin University
• Principal Investigator: Okada Fumio 工学院大学, 先進工学部, 教授 (10345093)
• Project Period (FY): 2015-10-21 – 2018-03-31
• Keywords: オゾン水 / 水素水 / 水電解 / リサイクル / 超高濃度 / 気液ミキサー

Outline of Final Research Achievements

We developed a "recycled water electrolysis system" in which water stored in a tank was repeatedly supplied to a water electrolysis cell and electrolyzed to produce highly concentrated ozone water. Manufacture of the apparatus and ozone water production experiments were carried out in this study. As a result, the concentrations of ozone water reached as high as 159 mg/L in the batch operation and 112 mg/L in the extraction operation at a formation rate of and 0.1 L/min. Also, the system was applied for the generation of concentrated and super-saturated hydrogen water. The supersaturated hydrogen water had dissolved H2 concentration of 1.7 mg/L and was withdrawn from the tank at a flow rate of 0.6 L/min. The dissolved H2 concentration increased to 2.4 mg/L in batch operation.

Free Research Field

電気化学