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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0514404 (1990-04-26) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 89 인용 특허 : 0 |
Apparatus for in-situ treatment of contaminated soil that includes an elongated hollow drive shaft mounted for rotation about its axis while being supported in vertical orientation. The upper end of the drive shaft is connected for selective injection of fluid under pressure into the shaft. A drill
A method for in-situ treatment of contaminated soil that includes the steps of: (a) rotating a drill bit about its axis into the soil, and (b) injecting soil treatment fluid into the soil through the drill bit as the drill bit is rotating; characterized in that said step (b) comprises the steps of:
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