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Method for enhanced longevity of in situ microbial filter used for bioremediation

Patent ·
OSTI ID:335465
;

An improved method is disclosed for in situ microbial filter bioremediation having increasingly operational longevity of an in situ microbial filter emplaced into an aquifer. A method is presented for generating a microbial filter of sufficient catalytic density and thickness, which has increased replenishment interval, improved bacteria attachment and detachment characteristics and the endogenous stability under in situ conditions. A system is also disclosed for in situ field water remediation. 31 figs.

Research Organization:
University of California
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
W-7405-ENG-48
Assignee:
Univ. of California, Oakland, CA (United States)
Patent Number(s):
US 5,888,395/A/
Application Number:
PAN: 8-706,152
OSTI ID:
335465
Country of Publication:
United States
Language:
English

References (11)

In situ bioremediation of trichloroethylene-contaminated water by a resting-cell methanotrophic microbial filter journal August 1993
Trichloroethylene removal and oxidation toxicity mediated by toluene dioxygenase of Pseudomonas putida. journal January 1994
TCE Remediation Using In Situ , Resting-State Bioaugmentation journal January 1996
Enhancement of Trichloroethylene Degradation in Aquifer Microcosms Bioaugmented with Wild Type and Genetically Altered Burkholderia ( Pseudomonas ) cepacia G4 and PR1 journal January 1996
Biodegradation of halogenated organic compounds. journal January 1991
Batch cultivation of Methylosinus trichosporium OB3b. I: Production of soluble methane monooxygenase: BATCH PRODUCTION Of sMMO journal August 1991
Degradation of Toluene and Trichloroethylene by Burkholderia cepacia G4 in Growth-Limited Fed-Batch Culture. journal January 1996
Microbial Reduction of Cr(VI) during Anaerobic Degradation of Benzoate journal January 1996
Injection-attachment of Methylosinus trichosporium OB3b in a two-dimensional miniature sand-filled aquifer simulator journal January 1994
Metabolic diversity of aromatic hydrocarbon-degrading bacteria from a petroleum-contaminated aquifer journal January 1994
Biodegradation of polycyclic aromatic hydrocarbons journal January 1992

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Related Subjects

54 ENVIRONMENTAL SCIENCES
AQUIFERS
BACTERIA
BIODEGRADATION
IN-SITU PROCESSING
PERFORMANCE
REMEDIAL ACTION
STABILITY