| 发明名称 |
PURIFICATION UNIT AND WATERWAY PURIFYING APPARATUS |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a purification unit and a sewage purifying apparatus which may be installed within waterways of small-scaled rivers or the like with no riverbed. <P>SOLUTION: In a purification unit 1, a water-permeable porous pipe 2 capable of preventing outflow of treated soil is filled with treated soil 3, and its both ends are sealed with lid plates 4a, 4b. The purification units 1 of an appropriate number are bundled and installed within the waterway to form the sewage purifying apparatus. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
| 申请公布号 |
JP2004181350(A) |
申请公布日期 |
2004.07.02 |
| 申请号 |
JP20020351339 |
申请日期 |
2002.12.03 |
| 申请人 |
KANKYO GIJUTSU KENKYUSHO:KK |
发明人 |
ARAI TAKENORI;SUGAWARA MASATAKA;HAMAZAKI TATSUHIDE |
| 分类号 |
E02B3/00;C02F3/00;C02F3/06;(IPC1-7):C02F3/06 |
主分类号 |
E02B3/00 |
| 代理机构 |
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