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Biodegradabilidad aerobia del polietilenglicol

Authors: Otal Salaverri, Emilia; Lebrato Martínez, Julián; Livingston, A.G.;

Biodegradabilidad aerobia del polietilenglicol

Abstract

En este trabajo se ha determinado la biodegradabilidad de polietilenglicol, de pesos moleculares medios comprendidos entre 200 y 35.000, en cultivos aerobios. Tradicionalmente estos compuestos polímericos se habían identificado como recalcitrantes y son componentes de aguas residuales industriales dificilmente biodegradables. Utilizando cultivos discontínuos, inoculados con biomasa adaptada a polietilenglicol 10.000 durante más de dos años, se ha logrado la eliminación de polietilenglicol de pesos moleculares comprendidos entre 200 y 10.000. Se ha comprobado que la biomasa se adapta a polímeros de menor peso molecular pero resulta ineficiente para los de mayor peso

Polyethylene glycol aerobic biodegradability. Biodegradability of polyethylene glycols of different molecular weight was assesed, due to the recalcitrant nature of these polymeric compounds, produced in any industrial wastewaters, hardly biodegradable. Using discontinuous cultures, inoculated whith and adapted inoculum for polyethylene glycols 10.000 for more than two years, the range from polyethylene glycols 200 to 10.000 could be eliminated. It has been found that biomess adapts to polymers of lower molecular weight, but is insufficient for those of greater weight.

Artículo original escaneado para el repositorio (archivo delegado)

Programa Environment de la Unión Europea EV5V-CT93-0249

Country
Spain
Related Organizations
Keywords

Polímeros, Polietilenglicol, Activated sludge, Polyethylene glycols, Polimers, Detergents, Agua residual industrial, Biodegradation, fangos activados, Biodegradación, Detergentes

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green