Kinetic study of the anaerobic biodegradation of alkyl polyglucosides and the influence of their structural parameters

This paper reports a study of the anaerobic biodegradation of non-ionic surfactants alkyl polyglucosides applying the method by measurement of the biogas production in digested sludge. Three alkyl polyglucosides with different length alkyl chain and degree of polymerization of the glucose units were...

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Veröffentlicht in:Environmental science and pollution research international 2016-05, Vol.23 (9), p.8286-8293
Hauptverfasser: Ríos, Francisco, Fernández-Arteaga, Alejandro, Lechuga, Manuela, Jurado, Encarnación, Fernández-Serrano, Mercedes
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container_issue 9
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container_title Environmental science and pollution research international
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creator Ríos, Francisco
Fernández-Arteaga, Alejandro
Lechuga, Manuela
Jurado, Encarnación
Fernández-Serrano, Mercedes
description This paper reports a study of the anaerobic biodegradation of non-ionic surfactants alkyl polyglucosides applying the method by measurement of the biogas production in digested sludge. Three alkyl polyglucosides with different length alkyl chain and degree of polymerization of the glucose units were tested. The influence of their structural parameters was evaluated, and the characteristics parameters of the anaerobic biodegradation were determined. Results show that alkyl polyglucosides, at the standard initial concentration of 100 mgC L −1 , are not completely biodegradable in anaerobic conditions because they inhibit the biogas production. The alkyl polyglucoside having the shortest alkyl chain showed the fastest biodegradability and reached the higher percentage of final mineralization. The anaerobic process was well adjusted to a pseudo first-order equation using the carbon produced as gas during the test; also, kinetics parameters and a global rate constant for all the involved metabolic process were determined. This modeling is helpful to evaluate the biodegradation or the persistence of alkyl polyglucosides under anaerobic conditions in the environment and in the wastewater treatment.
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source MEDLINE; SpringerNature Journals
subjects Alternative energy sources
Anaerobic biodegradation
Anaerobic conditions
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Biodegradability
Biodegradation
Biodegradation, Environmental
Biogas
Carbon
Chemicals
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental science
Glucosides - metabolism
Kinetics
Mineralization
Organic waste treatment
Personal grooming
Polymerization
Reagents
Research Article
Sewage - chemistry
Sludge
Sludge digestion
Studies
Surface-Active Agents - chemistry
Surfactants
Waste Water - chemistry
Waste Water - microbiology
Waste Water Technology
Wastewater treatment
Water Management
Water Pollutants, Chemical - metabolism
Water Pollution Control
Water treatment
title Kinetic study of the anaerobic biodegradation of alkyl polyglucosides and the influence of their structural parameters
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