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  • Title: Studies on the biodegradation of nonionic surfactants applied in the polyester fiber industry. I. Activated sludge bacteria degrading the surfactants.
    Author: Rzechowska E.
    Journal: Acta Microbiol Pol; 1976; 25(3):211-7. PubMed ID: 62497.
    Abstract:
    The paper presents characteristics of 76 strains of bacteria capable of utilizing nonionic surfactants Cirrasol FP, Cirrasol SF 200 and Cirrasol TCS as the source of carbon. The strains were isolated from two activated sludges adapted to the purification of wastes containing the above compounds at concentration 150--200 mg/l. The isolated strains belonged to the genera: Achromobacter, Alcaligenes, Arthrobacter, Flavobacterium, Mycobacterium, Nocardia, Pseudomonas and Xanthomonas. With load 0.11 mg surfactant/mg d.w./day bacteria belonging to Alcaligenes were dominating. With load 0.18--0.31 mg surfactant/mg d.w./day microorganisms were dominated by Pseudomonas. The highest intensity of degradation of the studied surfactant was shown by species: Alcaligenes viscolactis, Nocardia blackwellii and Pseudomonas rathonis.
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