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특허 상세정보

Methods for microbial filtration of fluids

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C02F-003/34   
미국특허분류(USC) 210/606 ; 210/611 ; 210/747 ; 210/910
출원번호 US-0015237 (1993-02-09)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 24  인용 특허 : 0
초록

Novel methods for purifying contaminated subsurface groundwater are disclosed. The method is involves contacting the contaminated subsurface groundwater with methanotrophic or heterotrophic microorganisms which produce contaminant-degrading enzymes. The microorganisms are derived from surface cultures and are injected into the ground so as to act as a biofilter. The contaminants which may be treated include organic or metallic materials and radionuclides.

대표
청구항

A method for purifying subsurface groundwater to remove certain enzymatically degradable contaminants therefrom, comprising the sequential step of: (A) providing a microorganism capable of producing an enzyme which allows the intact resting-state cells to degrade the contaminants; (B) growing the microorganisms under conditions which increase the amount and intracellular longevity of the enzyme, to produce an enzyme-enriched intracellular enzyme longevity-enhanced microorganism composition; and (C) contacting the subsurface groundwater with the enzyme-en...

이 특허를 인용한 특허 피인용횟수: 24

  1. Scott Tracey Kilkenny ; William Thornton Stringfellow. Biodegradation of ethers using fatty acid enhanced microbes. USP2002026350381.
  2. Moreno G��mez,Diego Alejandro; Montero Ortego,Felipe. Bioremediation method which is used to concentrate and eliminate radionuclides in radioactive water. USP2008027326345.
  3. Pope Gary A. ; Jackson Richard E.. Characterization of organic contaminants and assessment of remediation performance in subsurface formations. USP1999055905036.
  4. Pope Gary A. ; Jackson Richard E.. Characterization of organic contaminants and assessment of remediation performance in subsurface formations. USP2001116321595.
  5. Herrema, Markus; Kimmel, Kenton. Energy production systems utilizing ruminant animal methane emissions. USP2015028945915.
  6. Carter Sean R.. Ground water remediation method. USP1999025874001.
  7. Carman M. Leslie ; Taylor Robert T.. In situ microbial filter used for bioremediation. USP2000126165356.
  8. Carman M. Leslie ; Taylor Robert T.. Method for enhanced longevity of in situ microbial filter used for bioremediation. USP1999035888395.
  9. Herrema, Markus; Kimmel, Kenton. Method for producing polyhydroxyalkanoic acid. USP2012098263373.
  10. Herrema, Markus; Kimmel, Kenton. Method for producing polyhydroxyalkanoic acid. USP2014048703470.
  11. Herrema, Markus; Kimmel, Kenton. Method for the production of polyhydroxyalkanoic acid. USP2009087579176.
  12. Adams D. Jack ; Pickett Timothy M.. Method of selenium removal. USP2001026183644.
  13. Herrema, Markus Donald; Kimmel, Kenton. Methods and systems for production of polyhydroxyalkanoate. USP2014058735113.
  14. Herrema, Markus; Kimmel, Kenton. Polyhydroxyalkanoate compositions and microbial cultures for making the same. USP2018019868967.
  15. Herrema, Markus; Kimmel, Kenton. Polyhydroxyalkanoate compositions and microbial cultures for making the same. USP2016019243266.
  16. Herrema, Markus. Polyhydroxyalkanoate production method. USP2015059040267.
  17. Herrema, Markus D.. Polyhydroxyalkanoate production methods and materials and microorganisms used in same. USP2017089725744.
  18. Herrema, Markus D.. Polyhydroxyalkanoate production methods and materials and microorganisms used in same. USP2015079085784.
  19. Herrema, Markus Donald; Kimmel, Kenton. Polyhydroxyalkanoate production methods and systems for same. USP2017129850508.
  20. Herrema, Markus; Kimmel, Kenton. Process for the utilization of ruminant animal methane emissions. USP2012058177870.
  21. Perriello, Felix Anthony. Remediation of metal contaminants with hydrocarbon-utilizing bacteria. USP2005086923914.
  22. Qian Shie ; Shao Hui,CNX ; Jin Wei,CNX. System and method for determining instantaneous rotation frequency. USP2001116324487.
  23. Carman M. Leslie ; Taylor Robert T.. System for enhanced longevity of in situ microbial filter used for bioremediation. USP2000036036852.
  24. Herrema, Markus; Kimmel, Kenton. Systems for the utilization of ruminant animal methane emissions. USP2013068465876.