Potential for curdlan recovery from aerobic granular sludge wastewater treatment systems – A review

被引：2
作者：
Adekunle A. [1 ]
Ukaigwe S. [2 ]
Bezerra dos Santos A. [3 ]
Iorhemen O.T. [1 ]
机构：
[1] School of Engineering, University of Northern British Columbia, 3333 University Way, Prince George, V2N 4Z9, BC
[2] Department of Civil and Environmental Engineering, University of Alberta, Edmonton, T6G 2R3, AB
[3] Department of Hydraulic and Environmental Engineering, Federal University of Ceará, Ceará, Fortaleza
来源：
Chemosphere | 2024年 / 362卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Aerobic granular sludge; Biological wastewater treatment; Biorefinery; Circular economy; Curdlan; Resource recovery;
D O I：
10.1016/j.chemosphere.2024.142504
中图分类号：
学科分类号：
摘要：
The aerobic granular sludge (AGS) biotechnology has been explored for wastewater treatment for over two decades. AGS is gaining increased interest due to its enhanced treatment performance ability and the potential for resource recovery from AGS-based wastewater treatment systems. Resource recovery from AGS is a promising approach to sustainable wastewater treatment and attaining a circular economy in the wastewater management industry. Currently, research is at an advanced stage on recovering value-added resources such as phosphorus, polyhydroxyalkanoates, alginate-like exopolysaccharides, and tryptophan from waste aerobic granules. Recently, other value-added resources, including curdlan, have been identified in the aerobic granule matrix, and this may increase the sustainability of biotechnology in the wastewater industry. This paper provides an overview of AGS resource recovery potential. In particular, the potential for enhanced curdlan biosynthesis in the granule matrix and its recovery from AGS wastewater treatment systems is outlined. © 2024 The Authors
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