Inactivation of Microorganisms in Seawater by a Combined System of Photocatalysis, Hydrogen Peroxide and Ultraviolet Irradiation
The inactivation of microorganisms in seawater using a combined system of photocatalysis, hydrogen peroxide and UV-C irradiation was investigated. It was noted that the photocatalysis reaction time required for the complete suppression of photoreactivation in coliforms after UV-C irradiation was muc...
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| Veröffentlicht in: | Journal of Japan Society on Water Environment 2003/10/10, Vol.26(10), pp.649-654 |
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| container_title | Journal of Japan Society on Water Environment |
| container_volume | 26 |
| creator | NOGUCHI, Hiroshi GONOI, Koji HANAWA, Tsuyoshi KADOYA, Masahiro ISOWA, Toshio HASHIMOTO, Kazuhito |
| description | The inactivation of microorganisms in seawater using a combined system of photocatalysis, hydrogen peroxide and UV-C irradiation was investigated. It was noted that the photocatalysis reaction time required for the complete suppression of photoreactivation in coliforms after UV-C irradiation was much shorter than that required for the complete inactivation of coliforms by direct disinfection of filtrated seawater. The minimum concentration of hydrogen peroxide required for the complete suppression of photoreactivation in coliforms after UV-C irradiation was lower than that required for the complete inactivation of coliforms by direct disinfection of filtrated seawater. The photocatalysis reaction time required for the complete inactivation of coliforms was the shortest in the combined system of UV-C→H2O2→TiO2/UV-A, which resulted in the largest amount of disinfected seawater. The stable treatment using teh UV-C→H2O2→TiO2/UV-A combined system was undertaken in the pilot tests plant for 6 days, during which bromate ion, and oxidation by-product, was not detected in the treated seawater. |
| doi_str_mv | 10.2965/jswe.26.649 |
| format | Article |
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It was noted that the photocatalysis reaction time required for the complete suppression of photoreactivation in coliforms after UV-C irradiation was much shorter than that required for the complete inactivation of coliforms by direct disinfection of filtrated seawater. The minimum concentration of hydrogen peroxide required for the complete suppression of photoreactivation in coliforms after UV-C irradiation was lower than that required for the complete inactivation of coliforms by direct disinfection of filtrated seawater. The photocatalysis reaction time required for the complete inactivation of coliforms was the shortest in the combined system of UV-C→H2O2→TiO2/UV-A, which resulted in the largest amount of disinfected seawater. The stable treatment using teh UV-C→H2O2→TiO2/UV-A combined system was undertaken in the pilot tests plant for 6 days, during which bromate ion, and oxidation by-product, was not detected in the treated seawater.</description><identifier>ISSN: 0916-8958</identifier><identifier>EISSN: 1881-3690</identifier><identifier>DOI: 10.2965/jswe.26.649</identifier><language>eng ; jpn</language><publisher>Japan Society on Water Environment</publisher><subject>hydrogen peroxide ; photocatalysis ; photoreactivation ; seawater ; ultraviolet irradiation</subject><ispartof>Journal of Japan Society on Water Environment, 2003/10/10, Vol.26(10), pp.649-654</ispartof><rights>2003 Japan Society on Water Environment</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c1639-94cfd25caeae7375fc241e5fde1a34ac3b0d4ffd4bb03044bb686f7fcd9b4e553</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,27901,27902</link.rule.ids></links><search><creatorcontrib>NOGUCHI, Hiroshi</creatorcontrib><creatorcontrib>GONOI, Koji</creatorcontrib><creatorcontrib>HANAWA, Tsuyoshi</creatorcontrib><creatorcontrib>KADOYA, Masahiro</creatorcontrib><creatorcontrib>ISOWA, Toshio</creatorcontrib><creatorcontrib>HASHIMOTO, Kazuhito</creatorcontrib><title>Inactivation of Microorganisms in Seawater by a Combined System of Photocatalysis, Hydrogen Peroxide and Ultraviolet Irradiation</title><title>Journal of Japan Society on Water Environment</title><addtitle>Journal of Japan Society on Water Environment</addtitle><description>The inactivation of microorganisms in seawater using a combined system of photocatalysis, hydrogen peroxide and UV-C irradiation was investigated. It was noted that the photocatalysis reaction time required for the complete suppression of photoreactivation in coliforms after UV-C irradiation was much shorter than that required for the complete inactivation of coliforms by direct disinfection of filtrated seawater. The minimum concentration of hydrogen peroxide required for the complete suppression of photoreactivation in coliforms after UV-C irradiation was lower than that required for the complete inactivation of coliforms by direct disinfection of filtrated seawater. The photocatalysis reaction time required for the complete inactivation of coliforms was the shortest in the combined system of UV-C→H2O2→TiO2/UV-A, which resulted in the largest amount of disinfected seawater. The stable treatment using teh UV-C→H2O2→TiO2/UV-A combined system was undertaken in the pilot tests plant for 6 days, during which bromate ion, and oxidation by-product, was not detected in the treated seawater.</description><subject>hydrogen peroxide</subject><subject>photocatalysis</subject><subject>photoreactivation</subject><subject>seawater</subject><subject>ultraviolet irradiation</subject><issn>0916-8958</issn><issn>1881-3690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNo9kMtu2zAQRYmiBeomWeUHuOqmlUNKFCUtWyMPAwkSIM2aGJFDh4ZEpiTz0C6fXjkuvJm7mHNngEPIKWfLspP12Ta94rKUSym6T2TB25YXlezYZ7JgHZdF29XtV_ItpS1jdSmbZkHe1x50di-QXfA0WHrjdAwhbsC7NCbqPL1HeIWMkfYTBboKY-88Gno_pYzjrnL3GHLQkGGYkks_6dVkYtigp3cYw5szSMEb-jDkCC8uDJjpOkYw7uPnMfliYUh48j-PyMPF-Z_VVXF9e7le_bouNJdVV3RCW1PWGhCwqZra6lJwrK1BDpUAXfXMCGuN6HtWMTGHbKVtrDZdL7CuqyPyfX_3KYa_z5iyGl3SOAzgMTwnVTLGRMv5DP7Yg7OHlCJa9RTdCHFSnKmdZbWzrEqpZssz_XtPb1OGDR5YiNnpAQ_srvsx59JhqR8hKvTVPxZujH0</recordid><startdate>20030101</startdate><enddate>20030101</enddate><creator>NOGUCHI, Hiroshi</creator><creator>GONOI, Koji</creator><creator>HANAWA, Tsuyoshi</creator><creator>KADOYA, Masahiro</creator><creator>ISOWA, Toshio</creator><creator>HASHIMOTO, Kazuhito</creator><general>Japan Society on Water Environment</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7T7</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H97</scope><scope>L.G</scope><scope>P64</scope></search><sort><creationdate>20030101</creationdate><title>Inactivation of Microorganisms in Seawater by a Combined System of Photocatalysis, Hydrogen Peroxide and Ultraviolet Irradiation</title><author>NOGUCHI, Hiroshi ; GONOI, Koji ; HANAWA, Tsuyoshi ; KADOYA, Masahiro ; ISOWA, Toshio ; HASHIMOTO, Kazuhito</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1639-94cfd25caeae7375fc241e5fde1a34ac3b0d4ffd4bb03044bb686f7fcd9b4e553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2003</creationdate><topic>hydrogen peroxide</topic><topic>photocatalysis</topic><topic>photoreactivation</topic><topic>seawater</topic><topic>ultraviolet irradiation</topic><toplevel>online_resources</toplevel><creatorcontrib>NOGUCHI, Hiroshi</creatorcontrib><creatorcontrib>GONOI, Koji</creatorcontrib><creatorcontrib>HANAWA, Tsuyoshi</creatorcontrib><creatorcontrib>KADOYA, Masahiro</creatorcontrib><creatorcontrib>ISOWA, Toshio</creatorcontrib><creatorcontrib>HASHIMOTO, Kazuhito</creatorcontrib><collection>CrossRef</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of Japan Society on Water Environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>NOGUCHI, Hiroshi</au><au>GONOI, Koji</au><au>HANAWA, Tsuyoshi</au><au>KADOYA, Masahiro</au><au>ISOWA, Toshio</au><au>HASHIMOTO, Kazuhito</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inactivation of Microorganisms in Seawater by a Combined System of Photocatalysis, Hydrogen Peroxide and Ultraviolet Irradiation</atitle><jtitle>Journal of Japan Society on Water Environment</jtitle><addtitle>Journal of Japan Society on Water Environment</addtitle><date>2003-01-01</date><risdate>2003</risdate><volume>26</volume><issue>10</issue><spage>649</spage><epage>654</epage><pages>649-654</pages><issn>0916-8958</issn><eissn>1881-3690</eissn><abstract>The inactivation of microorganisms in seawater using a combined system of photocatalysis, hydrogen peroxide and UV-C irradiation was investigated. It was noted that the photocatalysis reaction time required for the complete suppression of photoreactivation in coliforms after UV-C irradiation was much shorter than that required for the complete inactivation of coliforms by direct disinfection of filtrated seawater. The minimum concentration of hydrogen peroxide required for the complete suppression of photoreactivation in coliforms after UV-C irradiation was lower than that required for the complete inactivation of coliforms by direct disinfection of filtrated seawater. The photocatalysis reaction time required for the complete inactivation of coliforms was the shortest in the combined system of UV-C→H2O2→TiO2/UV-A, which resulted in the largest amount of disinfected seawater. The stable treatment using teh UV-C→H2O2→TiO2/UV-A combined system was undertaken in the pilot tests plant for 6 days, during which bromate ion, and oxidation by-product, was not detected in the treated seawater.</abstract><pub>Japan Society on Water Environment</pub><doi>10.2965/jswe.26.649</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| issn | 0916-8958 1881-3690 |
| language | eng ; jpn |
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| source | J-STAGE Free; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | hydrogen peroxide photocatalysis photoreactivation seawater ultraviolet irradiation |
| title | Inactivation of Microorganisms in Seawater by a Combined System of Photocatalysis, Hydrogen Peroxide and Ultraviolet Irradiation |
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