Kerb treating process, device, volatile, semi-volatile, organic substance polluted, soil |
Title： |
| Kerb treating process, device, volatile, semi-volatile, organic substance polluted, soil |
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Application Number： |
200410056888 |
Application Date： |
2004/08/30 |
Announcement Date： |
2005/03/02 |
Pub. Date： |
2006/12/20 |
Publication Number： |
1586747 |
Announcement Number： |
1290632 |
Grant Date： |
2006-12-20 |
Granted Pub. Date： |
2006-12-20 |
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
B09C 1/00 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Li Jinhui, Liu Wenbo, Nie Yongfeng |
Key Words： |
Kerb treating process and device for volatile and semi-volatile organic substance polluted soil |
Abstract： |
The outside treating process of polluted soil includes the following steps: excavating the polluted soil, filling the soil inside the treating apparatus, pumping with vacuum pump to form certain vacuum degree in the pumping well while intruding fresh air into soil to promote the volatilization of pollutant and taking out the volatile. The soil may be also heated to speed the volatilization. The treating apparatus consists of exhaust well with exhaust pipeline, temperature controlling sensor and heater embedded into soil pipe. The treated soil may be re-filled or used in other site. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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