[특허]System for sparging ground water contaminants

System for sparging ground water contaminants 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B09B-001/00
출원번호	US-0105756 (1993-08-12)
발명자 / 주소	Pennington Leslie H. (852 E. Windsor La. Bountiful UT 84010)
인용정보	피인용 횟수 : 58 인용 특허 : 0

초록 ▼

Apparatus and method for sparging ground water by developing density driven convection and promoting the physical removal and biodegradation of contaminants. The method includes providing a well casing having two fluid permeable sidewalls separated by a fluid impermeable sidewall, and inserting the well casing into a generally vertical borehole so that the fluid permeable sidewalls are positioned below the water table. An injector tube is provided in the well casing so that a lower end thereof is located at the lower end of the well casing and below the level of ground water collected in the well casing. Gas under pressure is forced out the lower end of the injector tube and into the ground water collected in the well casing to cause the gas to carry water upwardly within the well casing and out the well casing through the uppermost fluid permeable sidewall. This causes water to be drawn into the lowermost fluid permeable sidewall, producing a vertically oriented circulation of ground water into the lower end of the well casing and out the uppermost permeable sidewall.

대표청구항 ▼

A system for sparging ground water utilizing a borehole which extends from the ground surface downwardly below a water table surface, comprising well means disposed in the borehole, and including a liquid permeable lower sidewall disposed at a first location below the water table surface, a liquid impermeable central sidewall disposed at a second location above the first location, but below the water table surface, and a liquid permeable upper sidewall disposed at a third location above the second location and at least a portion of which is located below the water table surface, and an injection tube disposed to extend downwardly in the well means to a lower end termination located adjacent the lower sidewall of the well means, for injecting gas under pressure out a lower end of the tube to thereby produce frothing in water in the well means which draws in more water through the lower sidewall, carries it upwardly and out the upper sidewall.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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System for sparging ground water contaminants 원문보기

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System for sparging ground water contaminants 원문보기

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이 특허를 인용한 특허 (58)

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