Aeration control strategies to stimulate simultaneous nitrification-denitrification via nitrite during the formation of aerobic granular sludge
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DOI: 10.1007/s00253-017-8415-1
Abstract: In this study, a sequencing batch reactor (SBR), treating synthetic wastewater (COD/N = 5), was operated in two stages. During stage I, an aeration control strategy based on oxygen uptake rate (OUR) was applied, to accomplish nitrogen… read more here.
Keywords: aeration control; control; aeration; via nitrite ... See more keywords
Characteristics of Cu(II)-modified aerobic granular sludge biocarbon in removal of doxycycline hydroxide
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DOI: 10.1007/s11356-021-16547-x
Abstract: In this study, the biocarbon derived from aerobic granular sludge with different nutritive proportions was modified by Cu(NO3)2•3H2O (Cu-BC) to improve its adsorption capacity of doxycycline hydrochloride (DOX). The surface area, pores, functional groups, and… read more here.
Keywords: adsorption; surface area; granular sludge; biocarbon ... See more keywords
Efficient dewatering of polymer-rich aerobic granular sludge with cationic polymer containing hydrocarbons
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DOI: 10.1007/s13762-019-02505-1
Abstract: This study compared the dewatering properties of aerobic granular and activated sludge from full-scale wastewater treatment plants, and determined how polymer dose and type affect granular sludge dewatering efficiency. At the same dose, granular sludge… read more here.
Keywords: granular sludge; polymer; activated sludge; sludge ... See more keywords
Effect of extended famine conditions on aerobic granular sludge stability in the treatment of brewery wastewater.
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DOI: 10.1016/j.biortech.2016.12.026
Abstract: Results obtained from three aerobic granular sludge reactors treating brewery wastewater are presented. Reactors were operated for 60d days in each of the two periods under different cycle duration: (Period I) short 6h cycle, and… read more here.
Keywords: granular sludge; period; cycle; brewery wastewater ... See more keywords
Formation of aerobic granular sludge during the treatment of petrochemical wastewater.
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DOI: 10.1016/j.biortech.2017.04.068
Abstract: In this study, petrochemical wastewater from the port of Antwerp was used for the development of aerobic granular sludge. Two different reactor setups were used, (1) a completely aerated sequencing batch reactor (SBRae) with a… read more here.
Keywords: granular sludge; gmlss median; sludge; petrochemical wastewater ... See more keywords
Nitrogen removal in a combined aerobic granular sludge and solid-phase biological denitrification system: System evaluation and community structure.
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DOI: 10.1016/j.biortech.2019.121504
Abstract: In the present study, the feasibility of treating high ammonia wastewater was evaluated in a combination of aerobic granular sludge nitrification reactor (AGS-SBR) and poly(butylene succinate) solid denitrification reactor (PBS-SBR). After 90 days operation, the effluent… read more here.
Keywords: system; nitrogen removal; granular sludge; denitrification ... See more keywords
A comprehensive comparison between non-bulking and bulking aerobic granular sludge in microbial communities.
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DOI: 10.1016/j.biortech.2019.122151
Abstract: Filamentous sludge bulking poses great threats to operational stability of aerobic granular sludge. Exploration of the microbial community aids knowledge of the causative factors to sludge bulking and guides directions for corresponding actions for prevention… read more here.
Keywords: non bulking; bulking bulking; granular sludge; aerobic granular ... See more keywords
Interaction and removal of oxytetracycline with aerobic granular sludge.
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DOI: 10.1016/j.biortech.2020.124358
Abstract: Aerobic granular sludge as a promising technology showed great resistance to adverse conditions. However, the interaction between oxytetracycline (OTC) and granular sludge was not studied sufficiently. This study therefore investigated OTC-tolerance ability of incomplete and… read more here.
Keywords: granulation sludge; granular sludge; interaction removal; sludge ... See more keywords
Evolution of microbial community and key genera in the formation and stability of aerobic granular sludge under a high organic loading rate
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DOI: 10.1016/j.biteb.2019.100280
Abstract: Abstract Aerobic granular sludge (AGS) has been frequently investigated as a novel wastewater treatment technology. This work explored the microbial community structure during aerobic granulation under an OLR of 6 kg COD (m3 d)−1. Extracellular polymeric… read more here.
Keywords: aerobic granular; aerobic granulation; microbial community; granular sludge ... See more keywords
Desorption of hexavalent chromium from active aerobic granular sludge: Effects of operation parameters on granular bioactivity and stability
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DOI: 10.1016/j.biteb.2020.100457
Abstract: Abstract This study explored hexavalent chromium (Cr (VI)) adsorption onto active aerobic granular sludge (AGS) under neutral condition and then focused on Cr (VI) desorption from the Cr-loaded AGS. The changes of AGS bioactivity and… read more here.
Keywords: desorption; granular sludge; bioactivity stability; hexavalent chromium ... See more keywords
Revealing the stability of aerobic granular sludge in a membrane bioreactor under different DO values by proteomics analysis
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DOI: 10.1016/j.biteb.2021.100673
Abstract: Abstract The investigation revealed the effects of dissolved oxygen on the stability of aerobic granular sludge (AGS) in a membrane bioreactor. The results indicated that the variation of dissolved oxygen heavily influenced the characteristics of… read more here.
Keywords: aerobic granular; stability; membrane bioreactor; granular sludge ... See more keywords