The effect of nitrate and different substrates on enhanced biological phosphorus removal in sequencing batch reactors

Nevin Ozgur Yagci; Ruya Tasli; Nazik Artan; Derin Orhon

doi:10.1081/ESE-120021490

The effect of nitrate and different substrates on enhanced biological phosphorus removal in sequencing batch reactors

Nevin Ozgur Yagci^*
, Ruya Tasli
, Nazik Artan
, Derin Orhon

^*Corresponding author for this work

Department of Environmental Engineering

Istanbul Technical University

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

8 Citations (Scopus)

Abstract

Enhanced biological phosphorus removal (EBPR) requires an anaerobic-aerobic sequence and short chain fatty acids, namely acetate. It is also known that the presence of nitrate in the anaerobic phase inhibits EBPR. This study describes a lab-scale experimentation carried out to study the effect of different substrates on EBPR and behaviour of PAOs under anoxic conditions in a sequencing batch reactor operated using synthetic wastewater. Experimental data show that the EBPR performance is significantly affected by glucose rich influent. Low COD/TKN ratios caused lower phosphorus removal performance since nitrate entering the anaerobic zone consumes substrate for denitrification. The results also show that anoxic phosphate uptake took place together with nitrate reduction when there was no external substrate. However, the uptake rate under anoxic conditions was lower than that under aerobic conditions.

Original language	English
Pages (from-to)	1489-1497
Number of pages	9
Journal	Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume	38
Issue number	8
DOIs	https://doi.org/10.1081/ESE-120021490
Publication status	Published - 2003

Funding

This study was conducted as part of research activities of The Environmental Biotechnology Center of The Scientific and Technical Research Council of Turkey.

Funders
Environmental Biotechnology Center of The Scientific and Technical Research Council of Turkey

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 6 Clean Water and Sanitation
SDG 14 Life Below Water

Keywords

Acetate
Anoxic phosphate uptake
Biological phosphorus removal
COD/TKN ratio
Glucose
Sequencing batch reactor

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10.1081/ESE-120021490

Cite this

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title = "The effect of nitrate and different substrates on enhanced biological phosphorus removal in sequencing batch reactors",

abstract = "Enhanced biological phosphorus removal (EBPR) requires an anaerobic-aerobic sequence and short chain fatty acids, namely acetate. It is also known that the presence of nitrate in the anaerobic phase inhibits EBPR. This study describes a lab-scale experimentation carried out to study the effect of different substrates on EBPR and behaviour of PAOs under anoxic conditions in a sequencing batch reactor operated using synthetic wastewater. Experimental data show that the EBPR performance is significantly affected by glucose rich influent. Low COD/TKN ratios caused lower phosphorus removal performance since nitrate entering the anaerobic zone consumes substrate for denitrification. The results also show that anoxic phosphate uptake took place together with nitrate reduction when there was no external substrate. However, the uptake rate under anoxic conditions was lower than that under aerobic conditions.",

keywords = "Acetate, Anoxic phosphate uptake, Biological phosphorus removal, COD/TKN ratio, Glucose, Sequencing batch reactor",

author = "Yagci, \{Nevin Ozgur\} and Ruya Tasli and Nazik Artan and Derin Orhon",

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The effect of nitrate and different substrates on enhanced biological phosphorus removal in sequencing batch reactors. / Yagci, Nevin Ozgur; Tasli, Ruya; Artan, Nazik et al.
In: Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering, Vol. 38, No. 8, 2003, p. 1489-1497.

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

TY - JOUR

T1 - The effect of nitrate and different substrates on enhanced biological phosphorus removal in sequencing batch reactors

AU - Yagci, Nevin Ozgur

AU - Tasli, Ruya

AU - Artan, Nazik

AU - Orhon, Derin

PY - 2003

Y1 - 2003

N2 - Enhanced biological phosphorus removal (EBPR) requires an anaerobic-aerobic sequence and short chain fatty acids, namely acetate. It is also known that the presence of nitrate in the anaerobic phase inhibits EBPR. This study describes a lab-scale experimentation carried out to study the effect of different substrates on EBPR and behaviour of PAOs under anoxic conditions in a sequencing batch reactor operated using synthetic wastewater. Experimental data show that the EBPR performance is significantly affected by glucose rich influent. Low COD/TKN ratios caused lower phosphorus removal performance since nitrate entering the anaerobic zone consumes substrate for denitrification. The results also show that anoxic phosphate uptake took place together with nitrate reduction when there was no external substrate. However, the uptake rate under anoxic conditions was lower than that under aerobic conditions.

AB - Enhanced biological phosphorus removal (EBPR) requires an anaerobic-aerobic sequence and short chain fatty acids, namely acetate. It is also known that the presence of nitrate in the anaerobic phase inhibits EBPR. This study describes a lab-scale experimentation carried out to study the effect of different substrates on EBPR and behaviour of PAOs under anoxic conditions in a sequencing batch reactor operated using synthetic wastewater. Experimental data show that the EBPR performance is significantly affected by glucose rich influent. Low COD/TKN ratios caused lower phosphorus removal performance since nitrate entering the anaerobic zone consumes substrate for denitrification. The results also show that anoxic phosphate uptake took place together with nitrate reduction when there was no external substrate. However, the uptake rate under anoxic conditions was lower than that under aerobic conditions.

KW - Acetate

KW - Anoxic phosphate uptake

KW - Biological phosphorus removal

KW - COD/TKN ratio

KW - Glucose

KW - Sequencing batch reactor

UR - https://www.scopus.com/pages/publications/0042575414

U2 - 10.1081/ESE-120021490

DO - 10.1081/ESE-120021490

M3 - Article

C2 - 12929803

AN - SCOPUS:0042575414

SN - 1093-4529

VL - 38

SP - 1489

EP - 1497

JO - Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering

JF - Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering

IS - 8

ER -

The effect of nitrate and different substrates on enhanced biological phosphorus removal in sequencing batch reactors

Abstract

Funding

UN SDGs

Keywords

Access to Document

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