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Aerobic Granular Sludge: Treatment of Wastewaters Containing Toxic Compounds
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Author(s): Catarina L. Amorim (Universidade Católica Portuguesa, Portugal & University of Aveiro, Portugal), Irina S. Moreira (Universidade Católica Portuguesa, Portugal), Anouk F. Duque (Universidade Católica Portuguesa, Portugal & Universidade Nova de Lisboa, Portugal), Mark C. M. van Loosdrecht (Delft University of Technology, The Netherlands)and Paula M. L. Castro (Universidade Católica Portuguesa, Portugal)
Copyright: 2017
Pages: 33
Source title:
Technologies for the Treatment and Recovery of Nutrients from Industrial Wastewater
Source Author(s)/Editor(s): Ángeles Val del Río (University of Santiago de Compostela, Spain), José Luis Campos Gómez (University Adolfo Ibáñez, Chile)and Anuska Mosquera Corral (University of Santiago de Compostela, Spain)
DOI: 10.4018/978-1-5225-1037-6.ch009
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Abstract
Aerobic Granular Sludge (AGS) has been successfully applied for carbon, nitrogen and phosphorous removal from wastewaters, in a single tank, reducing the space and energy requirements. This is especially beneficial for, often space restricted, industrial facilities. Moreover, AGS holds a promise for the toxic pollutants removal, due to its layered and compact structure and the bacteria embedding in a protective extracellular polymeric matrix. These outstanding features contribute to AGS tolerance to toxicity and stability. Strategies available to deal with toxic compounds, namely granulation with effluents containing toxics and bioaugmentation, are addressed here. Different applications for the toxics/micropollutants removal through biosorption and/or biodegradation are presented, illustrating the technology versatility. The anthropogenic substances effects on system performance and bacterial populations established within AGS are also addressed. Combination of contaminants removal to allow water discharge, and simultaneous valuable products recovery are presented as final remark.
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