Performance of a hybrid activated sludge/biofilm process for wastewater treatment in a cold climate region: Influence of operating conditions

Trapani, Daniele Di; Christensson, Magnus; Torregrossa, Michele; Viviani, Gaspare; Ødegaard, Hallvard

doi:10.1016/j.bej.2013.06.013

Cited by 95 publications

(33 citation statements)

References 27 publications

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“…In detail, a higher autotrophic activity was observed in the MB-MBR line, although the latter was characterised by a lower mixed liquor SRT compared to the MBR one. This result could be related to the "seeding" effect of nitrifiers, which contributed to increase the nitrification activity, according to reports in the technical literature [31]. The maximum autotrophic growth rates showed an increasing trend during the observation period, with higher values for the MB-MBR line, thus confirming the results observed with the SOUR values.…”

Section: Biokinetic Behaviour and Respiratory Activity Of Suspended Bsupporting

confidence: 81%

“…In particular, the joint use of MBRs and moving bed biofilm reactors (MBBRs) has been proposed for biofilm growth [30]. In MBBR systems, the biomass can grow both as suspended flocs and as biofilm [31]. The combination between MBR and MBBR systems is usually referred to as moving bed membrane bioreactor (MB-MBR) or biofilm membrane bioreactor (BF-MBR) [22,27,[32][33][34].…”

Section: Introductionmentioning

confidence: 99%

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Performance of membrane bioreactor (MBR) systems for the treatment of shipboard slops: Assessment of hydrocarbon biodegradation and biomass activity under salinity variation

Bella

Prima

Trapani

et al. 2015

Journal of Hazardous Materials

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Section: Biokinetic Behaviour and Respiratory Activity Of Suspended Bsupporting

confidence: 81%

Section: Introductionmentioning

confidence: 99%

Performance of membrane bioreactor (MBR) systems for the treatment of shipboard slops: Assessment of hydrocarbon biodegradation and biomass activity under salinity variation

Bella

Prima

Trapani

et al. 2015

Journal of Hazardous Materials

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“…The biofilm amount on the carriers was evaluated as follows: 20 carriers were periodically taken from the bioreactor, dried at 105 • C and then weighed (W1). After biofilm was totally removed, the carriers were dried again at 105 • C and then weighed (W2); the amount of the attached biomass was then calculated as W1 − W2 [13].…”

Section: Sampling and Analysismentioning

confidence: 99%

“…The peculiarity of MBBR-based IFAS processes is the coexistence of both suspended flocs and biofilm [13,14]. Moreover, the moving bed membrane bioreactor (MB-MBR) or biofilm membrane bioreactor (BF-MBR) combines MBR and MBBR [8,[15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Moving bed membrane bioreactors for carbon and nutrient removal: The effect of C/N variation

Mannina

Ekama

Capodici

et al. 2017

Biochemical Engineering Journal

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“…Di Trapani et al, (2011) applied this method to evaluate the effects of organic loading and ammonia loading on nitrification at low temperatures. Di Trapani et al, (2013) applied the same batch testing protocol in the evaluation of solids residence time and organic loading. Zekker et al, (2011) applied a similar approach, but modified it to be conducted in 500-milliliter (mL) Erlenmeyer flasks filled with cultured media taken from a 20 L bench-scale MBBR, with synthetic feed, mixing by aeration, and hourly measurements over five hours.…”

Section: Kinetic Rate Measurementmentioning

confidence: 99%

Mass Transfer Characteristics of Floating Media in MBBR and IFAS Fixed-Film Systems

Melcer¹

2015

wio

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2014 U4R11ii The Water Environment Research Foundation, a not-for-profit organization, funds and manages water quality research for its subscribers through a diverse public-private partnership between municipal utilities, corporations, academia, industry, and the federal government. WERF subscribers include municipal and regional water and water resource recovery facilities, industrial corporations, environmental engineering firms, and others that share a commitment to cost-effective water quality solutions. WERF is dedicated to advancing science and technology addressing water quality issues as they impact water resources, the atmosphere, the lands, and quality of life. This report was prepared by the organization(s) named below as an account of work sponsored by the Water Environment Research Foundation (WERF). Neither WERF, members of WERF, the organization(s) named below, nor any person acting on their behalf: (a) makes any warranty, express or implied, with respect to the use of any information, apparatus, method, or process disclosed in this report or that such use may not infringe on privately owned rights; or (b) assumes any liabilities with respect to the use of, or for damages resulting from the use of, any information, apparatus, method, or process disclosed in this report. Brown and Caldwell, University of New MexicoThis document was reviewed by a panel of independent experts selected by WERF. Mention of trade names or commercial products or services does not constitute endorsement or recommendations for use. Similarly, omission of products or trade names indicates nothing concerning WERF's positions regarding product effectiveness or applicability. Mass Transfer Characteristics of Floating Media in MBBR and IFAS Fixed-Film Systems iii About WERFThe Water Environment Research Foundation, formed in 1989, is America's leading independent scientific research organization dedicated to wastewater and stormwater issues. Throughout the last 25 years, we have developed a portfolio of more than $130 million in water quality research.WERF is a nonprofit organization that operates with funding from subscribers and the federal government. Our subscribers include wastewater treatment facilities, stormwater utilities, and regulatory agencies. Equipment companies, engineers, and environmental consultants also lend their support and expertise as subscribers. WERF takes a progressive approach to research, stressing collaboration among teams of subscribers, environmental professionals, scientists, and staff. All research is peer reviewed by leading experts.For the most current updates on WERF research, sign up to receive Laterals, our bi-weekly electronic newsletter.Learn more about the benefits of becoming a WERF subscriber by visiting www.werf.org. ivThe authors would like to acknowledge the media donors for their financial support and advice during the conduct of this experiment. They would also like to thank the staff at the Albuquerque, New Mexico, Wastewater Reclamation Facility for providing inoculation source ...

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Performance of a hybrid activated sludge/biofilm process for wastewater treatment in a cold climate region: Influence of operating conditions

Cited by 95 publications

References 27 publications

Performance of membrane bioreactor (MBR) systems for the treatment of shipboard slops: Assessment of hydrocarbon biodegradation and biomass activity under salinity variation

Performance of membrane bioreactor (MBR) systems for the treatment of shipboard slops: Assessment of hydrocarbon biodegradation and biomass activity under salinity variation

Moving bed membrane bioreactors for carbon and nutrient removal: The effect of C/N variation

Mass Transfer Characteristics of Floating Media in MBBR and IFAS Fixed-Film Systems

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