Ozonation of organic refractory compounds in water in combination with UV radiation.
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概要
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The ozonation rates of organic refractory compounds such as aliphatic carboxylic acids and alcohols were determined in water at 293 K. The experiment was carried out by recirculating a solution between an ozone absorption column and a rectangular ozone/UV reactor, and the time-dependent changes in concentration of organic substances were directly measured. In the presence of UV radiation of about 30W•m-2, the initial ozonation rate of organic substances was increased by 10-104 times. The total organic carbon was effectively decreased in the presence of UV radiation. This was explained by the destruction of acetic and oxalic acid by HO radicals which were produced in the ozone/UV system. The ozone/UV oxidation rate of acetic and oxalic acid was roughly proportional to the degree of dissociation.
- 公益社団法人 化学工学会の論文
著者
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Morooka Shigeharu
Department Of Applied Chemistry Kyushu University
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KATO YASUO
Department of Applied Chemistry, Kyushu University
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IKEMIZU KIYOSHI
Department of Applied Chemistry, Kyushu University
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KATO YASUO
Department of Applied Chemistry, Faculty of Engineering, Kyushu University
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ORITA MASAFUMI
Department of Applied Chemistry, Kyushu University
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SAGIIKE MASAHIKO
Department of Applied Chemistry, Kyushu University
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