| 发明名称 |
Soil block for multi-layers soil treatments unit and waste water treatment system by multi-layers soil treatments unit |
| 摘要 |
<p>PROBLEM TO BE SOLVED: To save time and labor in building a multistage soil treatment device and improve efficiency in treating sewage. SOLUTION: A soil block 10 is preliminarily formed by filling a porous container 11 with treating soil, and when the multistage soil treatment device is formed, the containers 11 with the soil blocks in them are arranged, covered with water-passing layers 3 and alternately piled up to form the multistage device.</p> |
| 申请公布号 |
HK1047271(A1) |
申请公布日期 |
2007.05.11 |
| 申请号 |
HK20020108991 |
申请日期 |
2002.12.11 |
| 申请人 |
JAPAN CONSERVATION ENGINEERS CO., LTD.;ENVIRONMENT TECHNOLOGY RESEARCH INSTITUTE CO., LTD. |
发明人 |
ARAI TAKANORI;ONISHI HIROYUKI;SHIRAHAMA MATSUSHIGE;ONO HATSUKO |
| 分类号 |
C02F;C02F3/00;C02F1/00;C02F1/28 |
主分类号 |
C02F |
| 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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