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Title: Method and compositions for the degradation of tributyl phosphate in chemical waste mixtures

Patent ·
OSTI ID:870084
 [1];  [2]
  1. Idaho Falls, ID
  2. Zurich, CH
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A method and process for the degradation of tributyl phosphate in an organic waste mixture and a biologically pure, novel bacteria culture for accomplishing the same. A newly-discovered bacteria (a strain of Acinetobacter sp. ATCC 55587) is provided which is combined in a reactor vessel with a liquid waste mixture containing tributyl phosphate and one or more organic waste compounds capable of functioning as growth substrates for the bacteria. The bacteria is thereafter allowed to incubate within the waste mixture. As a result, the tributyl phosphate and organic compounds within the waste mixture are metabolized (degraded) by the bacteria, thereby eliminating such materials which are environmentally hazardous. In addition, the bacteria is capable of degrading waste mixtures containing high quantities of tributyl phosphate (e.g. up to about 1.0% by weight tributyl phosphate).

Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
DOE Contract Number:
AC07-94ID13223
Assignee:
Lockheed Idaho Technologies Company (Idaho Falls, ID)
Patent Number(s):
US 5453375
OSTI ID:
870084
Country of Publication:
United States
Language:
English

References (7)

Cadmium accumulation by immobilized cells of aCitrobacter sp. using various phosphate donors journal September 1986
A simplification of the protein assay method of Lowry et al. which is more generally applicable journal December 1977
Uranium binding by emulsan and emulsanosols journal July 1983
The Application of Biotechnology to the Treatment of Wastes Produced from the Nuclear Fuel Cycle: Biodegradation and Bioaccumulation as a Means of Treating Radionuclide-Containing Streams journal January 1991
Microbial Degradation of Alkyl Carbazoles in Norman Wells Crude Oil journal April 1984
Investigations into the Application of Tri(n-Butyl)Phosphate/Detergent Mixtures to Blood Derivatives book January 1988
Direct counts of aquatic bacteria by a modified epifluorescence technique1 journal September 1975

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method
compositions
degradation
tributyl
phosphate
chemical
waste
mixtures
process
organic
mixture
biologically
pure
novel
bacteria
culture
accomplishing
newly-discovered
strain
acinetobacter
sp
atcc
55587
provided
combined
reactor
vessel
liquid
containing
compounds
capable
functioning
growth
substrates
thereafter
allowed
incubate
result
metabolized
degraded
eliminating
materials
environmentally
hazardous
addition
degrading
quantities
weight
compounds capable
biologically pure
waste mixture
tributyl phosphate
organic compound
mixture containing
organic compounds
reactor vessel
liquid waste
organic waste
mixtures containing
chemical waste
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