发明名称 |
METHOD FOR CLEANING FILTER MEMBRANE, AND MEMBRANE FILTER |
摘要 |
There is provided a cleaning method for a hydrophobic filtration membrane used for membrane filtration of water to be treated such as seawater, discharged water and ballast water including a jelly-like suspended substance and clogged with the suspended substance in the water to be treated, the filtration membrane being brought into contact with limonene-containing water, or backwashing of the filtration membrane with a cleaning liquid being done, and then, a flow having air taken therein being applied onto a surface of the filtration membrane or a water stream from an eductor nozzle being sprayed onto the filtration membrane. There is also provided a membrane filtration apparatus capable of efficiently performing the above-mentioned cleaning method. |
申请公布号 |
EP2623186(A4) |
申请公布日期 |
2016.11.30 |
申请号 |
EP20110828987 |
申请日期 |
2011.09.26 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
HAHAKURA, SHUJI;KASHIHARA, HIDEKI;YAHAGI, SATOSHI;NAKAI, RYUSUKE |
分类号 |
B01D65/06;B01D65/02;B01D71/26;B01D71/32;C02F1/44 |
主分类号 |
B01D65/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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