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Fürhacker, M; Pressl, A; Allabashi, R.
(2003): Aerobic biodegradability of methyldiethanolamine (MDEA) used in natural gas sweetening plants in batch tests and continuous flow experiments.
Chemosphere. 2003; 52(10):1743-1748 FullText FullText_BOKU

Mixtures of different amines including tertiary amines (methyldiethanolamine, MDEA) are commonly used for the removal of CO2 from gas mixtures or in gas sweetening processes for the extraction of CO2 and H2S. The absorber solutions used can be released into the industrial waste water due to continuous substitution of degraded MDEA, periodically cleaning processes or an accidental spill. In this study, the aerobic biodegradability of MDEA was investigated in a standardised batch test and a continuous flow experiment (40 l/d). The results of the batch test indicated that the MDEA-solution was non-biodegradable during the test period of 28 days, whereas the continuous flow experiments showed biodegradation of more than 96% based on TOC-measurements. This was probably due to the adaptation of the microorganisms to this particular waste water contamination during continuous flow experiment. (C) 2003 Elsevier Ltd. All rights reserved.
Authors BOKU Wien:
Allabashi Roza
Fürhacker Maria
Pressl Alexander
Find related publications in this database (using NML MeSH Indexing)
Aerobiosis -
Amines - metabolism
Biodegradation, Environmental -
Ethanolamine - metabolism
Ethanolamines -
Industry - methods
Kinetics -
Waste Disposal, Fluid - methods
Water Pollutants, Chemical - metabolism

Find related publications in this database (Keywords)
"methyldiethanolamine (MDEA)
absorber solution
carbon dioxide
hydrogen sulphide removal
gas sweetening
waste water treatment"

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