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In-well air stripping and adsorption

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • E21B-043/38
출원번호 US-0566508 (2000-05-08)
발명자 / 주소
  • Suthersan Suthan S.
출원인 / 주소
  • ARCADIS Geraghty & Miller, Inc.
대리인 / 주소
    Standley & Gilcrest LLP
인용정보 피인용 횟수 : 20  인용 특허 : 125

초록

A method and system for removing contaminants from the phreatic zone, also known as the saturation zone, or groundwater. The technique preferably involves gas sparging while slowing down the sparging process by placing packing balls into an eductor tube. A preferred embodiment of the system is compr

대표청구항

[ What is claimed is:] [1.]1. A method for gas sparging of contaminants from groundwater, said method comprising the steps of:injecting a gas into the lower extent of a well, said injected gas producing gas bubbles in groundwater located therein and forcing a combination of said groundwater and said

이 특허에 인용된 특허 (125)

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  93. Hallberg Rolf O. (Skolvgen 11A S-13500 TyresSEX) Martinell Rudolf H. (Rgvgen 4A S-18365 Tby SEX), Process for decreasing the nitrate content in water.
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  2. Drewelow, David S., Apparatus for aeration of contaminated liquids.
  3. Kerfoot, William B., Deep well sparging.
  4. Kerfoot, William B., Directional microporous diffuser and directional sparging.
  5. Kerfoot, William B., Directional microporous diffuser and directional sparging.
  6. Kerfoot, William B., Directional microporous diffuser and directional sparging.
  7. Kerfoot, William B.; Jones, Richard, Directional microporous diffuser and directional sparging.
  8. Kerfoot, William B., Directional spargewell system.
  9. Kerfoot, William B., Environmental remediation method using ozonophilic bacteria within a liquid coating of bubbles.
  10. Kerfoot, William B., Groundwater and subsurface remediation.
  11. Kerfoot, William B., Groundwater and subsurface remediation.
  12. Kerfoot, William B., Groundwater and subsurface remediation.
  13. Marek, James C., Groundwater remediation system.
  14. Kerfoot, William B., Method and apparatus for treating perfluoroalkyl compounds.
  15. Kerfoot, William B., Microporous diffusion apparatus.
  16. Kerfoot, William B., Microporous diffusion apparatus.
  17. Kerfoot, William B., Permanganate-coated ozone for groundwater and soil treatment with in-situ oxidation.
  18. Kerfoot, William B., Soil and water remediation system and method.
  19. Kerfoot, William B., Superoxidant poiser for groundwater and soil treatment with in-situ oxidation-reduction and acidity-basicity adjustment.
  20. Jin, Song; Fallgren, Paul H.; Morris, Jeffrey M., Treatment and prevention systems for acid mine drainage and halogenated contaminants.
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