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Title Degradation Modeling of Photocatalytic Layer/ceramic Flat-sheet Membrane Filtration Treatment System for Residual Pharmaceuticals in Treated Wastewater
Ãø¼Ô ËÜ´Öμ²ð1)¡¤ÃÝÆâ ͪ1)¡¤»­ÅçÀµ°ì2)¡¤Ã°¸å¸µ½¨1)¡¤À¾Â¼Ê¸Éð1)¡¤¿·°æ´îÌÀ2¡Ë
Authors Ryosuke Homma 1), Haruka Takeuchi 1), Shoichi Sameshima 2), Motohide Tango 1), Fumitake Nishimura 1) and Yoshiaki Arai 2¡Ë
Ãø¼Ôɽµ­ 1¡ËµþÅÔÂç³ØÂç³Ø±¡ ¹©³Ø²Ê¸¦µæ²Ê, 2¡Ë­êÌÀÅżË
Ãø¼Ôɽµ­(±Ñ) 1¡ËResearch Center for Environmental Quality Management, Kyoto University, 2¡ËMEIDENSHA CORPORATION
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Office name
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¥­¡¼¥ï¡¼¥É TiO2¡¤¥»¥é¥ß¥Ã¥¯Ê¿Ë졤°åÌôÉÊÎࡤÄã°µ¿å¶ä¥é¥ó¥×¡¤¥·¥ß¥å¥ì¡¼¥·¥ç¥ó²òÀÏ
Key Words TiO2, ceramic flat sheet membrane, pharmaceuticals, low pressure mercury lamp, simulation analysis
³µÍ× ¶áǯ¡¤²¼¿å½èÍý¿å¤ÎºÆÍøÍѤ¬ÃíÌܤµ¤ì¤Æ¤ª¤ê¡¤²¼¿å½èÍý¤Çʬ²ò¤·¤Ë¤¯¤¤²½³Øʪ¼Á¡Ê°åÌôÉÊÎà¡Ë¤ò¸úΨÎɤ¯Ê¬²ò¤¹¤ëÂ¥¿Ê»À²½½èÍý¤ÎƳÆþ¤¬´üÂÔ¤µ¤ì¤Ä¤Ä¤¢¤ë¡£É®¼Ô¤é¤Ï¡¤¥»¥é¥ß¥Ã¥¯Ê¿Ëì¾å¤ËTiO2¤òÊÝ»ý¤µ¤»¡¤ÌôºÞ¤Îź²Ã¤òɬÍפȤ·¤Ê¤¤UV/TiO2¤Ë¤è¤ëÂ¥¿Ê»À²½½èÍý¥·¥¹¥Æ¥à¤ò¹Í°Æ¤·¤¿¡£Ëܸ¦µæ¤Ç¤Ï¡¤UV¾È¼Í¤È¡¦OH¤Ë¤è¤ë°åÌôÉÊÎà¤Î½èÍýÆÃÀ­¤òÄêÎÌŪ¤Ëɾ²Á¤·¡¤UV¾È¼Í¶¯ÅÙ¤òÁàºî°ø»Ò¤È¤·¤Æ¡¤°åÌôÉÊÎà¤Î¸÷ʬ²ò®Å٤ȡ¦OH¤Ë¤è¤ë»À²½Ê¬²ò®ÅÙ¤òÄêÎÌŪ¤Ëɾ²Á¤·¤¿¡£¤Þ¤¿¡¤°åÌôÉÊÎà¤Îʬ²ò¸úΨ¤Î¿ôÍý¥â¥Ç¥ë¤ò¹½ÃÛ¤·¡¤ËܽèÍý¥·¥¹¥Æ¥à¤ÎÍ­ÍÑÀ­¤òÌÀ¤é¤«¤Ë¤·¤¿¡£
Abstract In recent years, the reuse of treated wastewater has been attracting attention, and the introduction of advanced oxidation processes¡ÊAOPs¡Ëis expected to efficiently decompose chemical substances¡Ê pharmaceuticals¡Ëthat are difficult to decompose in wastewater treatment. The authors have devised an AOPs system using UV/TiO2, in which TiO2 is held on a ceramic flat membrane, and which does not require the addition of any chemicals. In this study, we quantitatively evaluated the treatment characteristics of pharmaceuticals by UV irradiation and ¡¦OH and quantitatively evaluated the photodegradation rate of pharmaceuticals and the oxidative degradation rate of pharmaceuticals by ¡¦OH using UV irradiation intensity as the operating factor. In addition, a mathematical model of the degradation efficiency of pharmaceuticals was developed, and the usefulness of this treatment system was clarified.
 
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