| 发明名称 |
WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a water treatment apparatus in which clogging of pores in the surface of a separation membrane due to suspended materials rarely occurs, the stable filtration thus being possible for a long time. <P>SOLUTION: The water treatment apparatus having a separation membrane device disposed above an aeration device in a treating tank is characterized in that the diameter of the gas discharge port of the aeration device is 1 to 10 mm and that the relation 20<X/Y<300 is satisfied wherein the sectional area of the separation membrane device in a horizontal direction is X cm<SP>2</SP>and the number of the gas discharge port of the aeration device is Y. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
| 申请公布号 |
JP2008229628(A) |
申请公布日期 |
2008.10.02 |
| 申请号 |
JP20080173492 |
申请日期 |
2008.07.02 |
| 申请人 |
MITSUBISHI RAYON CO LTD |
发明人 |
MIYASHITA SATOSHI;HONJO KENJI;KATO OSAMI;OKAZAKI HIROYUKI;YANONE KATSUYUKI;KOBAYASHI MASUMI |
| 分类号 |
C02F3/20;B01D61/18;B01D63/02;B01D63/04;B01D65/08;C02F1/44;C02F3/12 |
主分类号 |
C02F3/20 |
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