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Updated: Aug 14, 2026

Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes
Published on: December 12, 2013
[Study of microbial degradation of nonionic surface-active agents in designing technologies for purifying waste
L V Panchenko1, O V Turkovskaia
1Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, Russia.
Abstract:
Studies of degradation of non-ionic surfactants (NISA) in a model purification plant of an original design demonstrated an high rate and depth of degradation processes compared with periodic cultivation of free or immobilized degrading strains. A virtually complete primary degradation (99-99.5%), with destruction of the oxyethyl moiety of the molecule, was observed. In addition, NISA molecules were degraded to a greater extent, including considerable degradation of the hydrocarbon radical, partial degradation of aromatic structures in Neonol, and utilization of biologically "unyielding" fractions of commercial NISA preparations: polyethylene glycol (PEG) and long-chain fractions of polymer homologues.
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