发明名称 |
SOIL ENVIRONMENT IMPROVEMENT APPARATUS AND SOIL CLEANING METHOD |
摘要 |
<p><P>PROBLEM TO BE SOLVED: To construct a system for improving soil environment in a simple structure and compact facility. <P>SOLUTION: A soil cleaning method comprises the steps of: supplying a pressurized air from a blower 10 by an air injection pipe 11 from an aquifer 3 to a soil layer 2; making the pressurized air act on an oil reservoir 4 reserved above the aquifer 3; turning the oil in the oil reservoir 4 into a volatile or misty state by a decomposition action of microorganisms; volatilizing oil content reserved in the soil layer 2 as well to be taken in a gas flow-in part 21 in a cleaning unit 20 in a concentrated manner; adsorbing the oil content in a treatment part 22 located above the gas flow-in part 21 to be cleaned; and releasing the detoxified air to the atmosphere. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
申请公布号 |
JP2008212856(A) |
申请公布日期 |
2008.09.18 |
申请号 |
JP20070055129 |
申请日期 |
2007.03.06 |
申请人 |
HITACHI CONSTR MACH CO LTD |
发明人 |
NAKAGAWA YUUKI |
分类号 |
B09C1/10;B01D53/44;B01D53/81;B09C1/00 |
主分类号 |
B09C1/10 |
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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