| 发明名称 |
SLUDGE CONCENTRATION METHOD AND SLUDGE CONCENTRATION APPARATUS |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a sludge concentration method by which the volume of sludge produced in a water treatment using an aluminum based flocculant can be reduced and concentration of the sludge in a highly concentrated state is adjusted. <P>SOLUTION: The concentration method of the sludge produced in the water treatment using the aluminum based flocculant includes: an acid treating step of treating the sludge with an acid; and an alkali treating step of treating the sludge to which the acid is added with at least one of a calcium agent and a magnesium agent being an alkali agent. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
| 申请公布号 |
JP2009142744(A) |
申请公布日期 |
2009.07.02 |
| 申请号 |
JP20070322242 |
申请日期 |
2007.12.13 |
| 申请人 |
MATSUO KIKI SANGYO KK;ORGANO PLANT SERVICE CORP;JAPAN ORGANO CO LTD |
发明人 |
SEKIYA TORU;TAKAHASHI MASAYUKI;SHIRAHAMA HIROSHI |
| 分类号 |
C02F11/14;C02F1/52 |
主分类号 |
C02F11/14 |
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