Experimental Investigations and Kinetic Models for the Cometabolic Biological Reduction of Trinitrotoluene

Soils contaminated with the explosive trinitrotoluene can be remediated in a soil slurry process by adding easily degradable substrates. During the anaerobic fermentation of these substrates TNT is biologically reduced to metabolites which subsequently are immobilized in the soil by chemical reactio...

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Published in:Chemical engineering & technology 1999-04, Vol.22 (4), p.308-313
Main Authors: Daun, Gregor, Lenke, Hiltrud, Knackmuß, Hans-Joachim, Reuß, Matthias
Format: Article
Language:English
Subjects:
Applied sciences
Biodegradation
Biodegradation of pollutants
Biological and medical sciences
Biotechnology
Chemical bonds
Decontamination. Miscellaneous
Environment and pollution
Exact sciences and technology
Fermentation
Fundamental and applied biological sciences. Psychology
Glucose
Industrial applications and implications. Economical aspects
Metabolism
Metabolites
Nitrogen compounds
Pollution
Reaction kinetics
Reduction
Remediation
Soil and sediments pollution
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container_title Chemical engineering & technology
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creator Daun, Gregor
Lenke, Hiltrud
Knackmuß, Hans-Joachim
Reuß, Matthias
description Soils contaminated with the explosive trinitrotoluene can be remediated in a soil slurry process by adding easily degradable substrates. During the anaerobic fermentation of these substrates TNT is biologically reduced to metabolites which subsequently are immobilized in the soil by chemical reactions with soil components. Experimental investigations revealed that the cometabolic yield varied strongly with process conditions and could be increased by a factor of 10. Efforts to model this process were only partially successful as details underlying cometabolism are still unknown.
doi_str_mv 10.1002/(SICI)1521-4125(199904)22:4<308::AID-CEAT308>3.0.CO;2-P
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source Wiley-Blackwell Read & Publish Collection
subjects Applied sciences
Biodegradation
Biodegradation of pollutants
Biological and medical sciences
Biotechnology
Chemical bonds
Decontamination. Miscellaneous
Environment and pollution
Exact sciences and technology
Fermentation
Fundamental and applied biological sciences. Psychology
Glucose
Industrial applications and implications. Economical aspects
Metabolism
Metabolites
Nitrogen compounds
Pollution
Reaction kinetics
Reduction
Remediation
Soil and sediments pollution
title Experimental Investigations and Kinetic Models for the Cometabolic Biological Reduction of Trinitrotoluene
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