The rate-controlling substrate of nitrilotriacetate for biodegradation by Chelatobacter heintzii
Article Abstract:
Researchers from Illinois and Washington investigated the tranport rate of nitrilotriacetate and its biodegration by Chelatobacter heintzii.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 2000
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Degradation of metal-nitrilotriacetate complexes by Chelatobacter heintzii
Article Abstract:
A study was conducted on the effect of nitrilotriacetic acid (NTA) aqueous speciation on the acid's biodegradation. The NTA degrading bacterium Chelatobacter heintzii was used in batch experiments to test the hypothesis that NTA-complexing metals having larger thermodynamic stability constants degrade at a slower pace compared with NTA complexes having metals with smaller stability constants. The degradability of the metal-NTA complexes was observed to be linked to their lability or relative rates of formation of HNTA2-.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1996
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Effect of adsorption on the biodegradation of nitrilotriacetate by Chelatobacter heintzii
Article Abstract:
Nitriloacetic acid (NTA) is a synthetic chelating agent that is used for decontaminating nuclear materials and processing nuclear waste. However, the ability of NTA to form complexes with a variety of radionucleotides and metal ions poses risks to the environment. An approach that has been proposed to reduce these risks promotes adsorption of NTA to soils and sediments by the addition of Chelatobacter heintzii. A model system to investigate the rates of NTA degradation is presented.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1996
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