The dynamics of nitrite formation via nitrification in the drinking water distribution systems

Pirjo-Liisa Rantanen; Tuula Laakso; Riku Vahala; Ilkka Mellin; Merja Ahonen; Minna M. Keinänen-Toivola

The dynamics of nitrite formation via nitrification in the drinking water distribution systems

Pirjo-Liisa Rantanen
, Tuula Laakso
, Riku Vahala
, Ilkka Mellin
, Merja Ahonen
, Minna M. Keinänen-Toivola

Helsinki Region Environmental Services Authority HSY
Satakunta University of Applied Sciences
Prizztech Ltd., WANDER Nordic Water and Materials Institute

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Professional

Abstract

Both total residual chlorine and ammonium were the key drivers of nitrite formation in the drinking water distribution systems (DWDSs) in the cities of Helsinki and Vantaa, in Finland. However, the disinfection chemical did not inhibit nitrification. Nitrite was formed rapidly in the DWDS after the water treatment plant. The highest nitrite concentrations occurred in early summer when the temperature was rising and the total residual chlorine concentrations were at the highest. Low temperatures did not prevent nitrification but only slowed it down.

Original language	English
Title of host publication	IWA Nutrient Recovery & Removal Conference
Subtitle of host publication	1 – 3 SEPTEMBER 2020
Publisher	International Water Association (IWA)
Number of pages	3
Publication status	Published - 1 Sept 2020
MoE publication type	D3 Professional conference proceedings
Event	IWA Nutrient Recovery & Removal Conference: Closing the loop - Virtual, Online Duration: 1 Sept 2020 → 3 Sept 2020 https://iwa-nrr.org/

Conference

Conference	IWA Nutrient Recovery & Removal Conference
Abbreviated title	IWA NRR
City	Virtual, Online
Period	01/09/2020 → 03/09/2020
Internet address	https://iwa-nrr.org/

UN SDGs

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

SDG 6 Clean Water and Sanitation

Cite this

@inproceedings{a5ae467c3a4940b3aa6660428c2900ff,

title = "The dynamics of nitrite formation via nitrification in the drinking water distribution systems",

abstract = "Both total residual chlorine and ammonium were the key drivers of nitrite formation in the drinking water distribution systems (DWDSs) in the cities of Helsinki and Vantaa, in Finland. However, the disinfection chemical did not inhibit nitrification. Nitrite was formed rapidly in the DWDS after the water treatment plant. The highest nitrite concentrations occurred in early summer when the temperature was rising and the total residual chlorine concentrations were at the highest. Low temperatures did not prevent nitrification but only slowed it down. ",

author = "Pirjo-Liisa Rantanen and Tuula Laakso and Riku Vahala and Ilkka Mellin and Merja Ahonen and Kein{\"a}nen-Toivola, \{Minna M.\}",

year = "2020",

month = sep,

day = "1",

language = "English",

booktitle = "IWA Nutrient Recovery \& Removal Conference",

publisher = "International Water Association (IWA)",

address = "United Kingdom",

note = "IWA Nutrient Recovery \& Removal Conference : Closing the loop, IWA NRR ; Conference date: 01-09-2020 Through 03-09-2020",

url = "https://iwa-nrr.org/",

}

The dynamics of nitrite formation via nitrification in the drinking water distribution systems. / Rantanen, Pirjo-Liisa; Laakso, Tuula; Vahala, Riku et al.
IWA Nutrient Recovery & Removal Conference: 1 – 3 SEPTEMBER 2020. International Water Association (IWA), 2020.

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Professional

TY - GEN

T1 - The dynamics of nitrite formation via nitrification in the drinking water distribution systems

AU - Rantanen, Pirjo-Liisa

AU - Laakso, Tuula

AU - Vahala, Riku

AU - Mellin, Ilkka

AU - Ahonen, Merja

AU - Keinänen-Toivola, Minna M.

PY - 2020/9/1

Y1 - 2020/9/1

N2 - Both total residual chlorine and ammonium were the key drivers of nitrite formation in the drinking water distribution systems (DWDSs) in the cities of Helsinki and Vantaa, in Finland. However, the disinfection chemical did not inhibit nitrification. Nitrite was formed rapidly in the DWDS after the water treatment plant. The highest nitrite concentrations occurred in early summer when the temperature was rising and the total residual chlorine concentrations were at the highest. Low temperatures did not prevent nitrification but only slowed it down.

AB - Both total residual chlorine and ammonium were the key drivers of nitrite formation in the drinking water distribution systems (DWDSs) in the cities of Helsinki and Vantaa, in Finland. However, the disinfection chemical did not inhibit nitrification. Nitrite was formed rapidly in the DWDS after the water treatment plant. The highest nitrite concentrations occurred in early summer when the temperature was rising and the total residual chlorine concentrations were at the highest. Low temperatures did not prevent nitrification but only slowed it down.

M3 - Conference article in proceedings

BT - IWA Nutrient Recovery & Removal Conference

PB - International Water Association (IWA)

T2 - IWA Nutrient Recovery & Removal Conference

Y2 - 1 September 2020 through 3 September 2020

ER -

The dynamics of nitrite formation via nitrification in the drinking water distribution systems

Abstract

Conference

UN SDGs

Fingerprint

Cite this