Impact of denitrification on the performance of a biofilm-MBR (BF-MBR)

I. Ivanovic; T. O. Leiknes

doi:10.1016/j.desal.2011.04.026

Impact of denitrification on the performance of a biofilm-MBR (BF-MBR)

I. Ivanovic^*, T. O. Leiknes

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

A post-denitrification (PDN) is an interesting option for compact biological nitrogen removal scheme in a biofilm-MBR (BF-MBR). Stable nitrogen removal rates were obtained by applying a C/N ratio of 4.5. Fouling potential of effluent and overall performance of a PDN configuration is investigated and compared with the performance of a nitrification (NR) configuration. Higher fouling potential of colloidal organic matter was indentified to dominate in the PDN configuration. Furthermore, stable settling characteristics of concentrate resulted in better solids separation. Periodical backwashing with moderate air scouring rates was found to be a promising strategy for fouling control in BF-MBR with a post-denitrification configuration.

Original language	English (US)
Pages (from-to)	100-105
Number of pages	6
Journal	Desalination
Volume	283
DOIs	https://doi.org/10.1016/j.desal.2011.04.026
State	Published - 2011
Externally published	Yes

Keywords

Biofilm membrane bioreactor
Membrane fouling
Post-denitrification

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Materials Science
Water Science and Technology
Mechanical Engineering

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10.1016/j.desal.2011.04.026

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title = "Impact of denitrification on the performance of a biofilm-MBR (BF-MBR)",

abstract = "A post-denitrification (PDN) is an interesting option for compact biological nitrogen removal scheme in a biofilm-MBR (BF-MBR). Stable nitrogen removal rates were obtained by applying a C/N ratio of 4.5. Fouling potential of effluent and overall performance of a PDN configuration is investigated and compared with the performance of a nitrification (NR) configuration. Higher fouling potential of colloidal organic matter was indentified to dominate in the PDN configuration. Furthermore, stable settling characteristics of concentrate resulted in better solids separation. Periodical backwashing with moderate air scouring rates was found to be a promising strategy for fouling control in BF-MBR with a post-denitrification configuration.",

keywords = "Biofilm membrane bioreactor, Membrane fouling, Post-denitrification",

author = "I. Ivanovic and Leiknes, {T. O.}",

year = "2011",

doi = "10.1016/j.desal.2011.04.026",

language = "English (US)",

volume = "283",

pages = "100--105",

journal = "Desalination",

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TY - JOUR

T1 - Impact of denitrification on the performance of a biofilm-MBR (BF-MBR)

AU - Ivanovic, I.

AU - Leiknes, T. O.

PY - 2011

Y1 - 2011

N2 - A post-denitrification (PDN) is an interesting option for compact biological nitrogen removal scheme in a biofilm-MBR (BF-MBR). Stable nitrogen removal rates were obtained by applying a C/N ratio of 4.5. Fouling potential of effluent and overall performance of a PDN configuration is investigated and compared with the performance of a nitrification (NR) configuration. Higher fouling potential of colloidal organic matter was indentified to dominate in the PDN configuration. Furthermore, stable settling characteristics of concentrate resulted in better solids separation. Periodical backwashing with moderate air scouring rates was found to be a promising strategy for fouling control in BF-MBR with a post-denitrification configuration.

AB - A post-denitrification (PDN) is an interesting option for compact biological nitrogen removal scheme in a biofilm-MBR (BF-MBR). Stable nitrogen removal rates were obtained by applying a C/N ratio of 4.5. Fouling potential of effluent and overall performance of a PDN configuration is investigated and compared with the performance of a nitrification (NR) configuration. Higher fouling potential of colloidal organic matter was indentified to dominate in the PDN configuration. Furthermore, stable settling characteristics of concentrate resulted in better solids separation. Periodical backwashing with moderate air scouring rates was found to be a promising strategy for fouling control in BF-MBR with a post-denitrification configuration.

KW - Biofilm membrane bioreactor

KW - Membrane fouling

KW - Post-denitrification

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U2 - 10.1016/j.desal.2011.04.026

DO - 10.1016/j.desal.2011.04.026

M3 - Article

AN - SCOPUS:84859336684

SN - 0011-9164

VL - 283

SP - 100

EP - 105

JO - Desalination

JF - Desalination

ER -

Impact of denitrification on the performance of a biofilm-MBR (BF-MBR)

Abstract

Keywords

ASJC Scopus subject areas

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