Greenhouse Gas Emissions from Membrane Bioreactors

Book chapter (2017)

Authors

Giorgio Mannina Università degli Studi di Palermo
Marco Capodici Università degli Studi di Palermo
Alida Cosenza Università degli Studi di Palermo
Daniele Di Trapani Università degli Studi di Palermo
Mark C.M. van Loosdrecht BT/Environmental Biotechnology - AS
Mark M.C. van Loosdrecht BT/Environmental Biotechnology - AS
Research Group
BT/Environmental Biotechnology (AS) (TU Delft)
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Published Date

2017

Language

English

Reuse Rights

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Faculty

Applied Sciences

Department

BT/Biotechnologie

Research Group

BT/Environmental Biotechnology

Abstract

Nowadays, it is widely accepted that wastewater treatment plants (WWTPs) are significant sources of greenhouse gas (GHG) emission, contributing to the anthropogenic sources. Among the GHG emitted from WWTPs, nitrous oxide (N2O) has been identified of having the major interest/concern, since its high global warming potential (GWP), is 298 times higher than that of CO2 and also to its capability to react with stratospheric ozone causing the layer depletion. Up to now, most of the experimental investigations have been carried out on conventional activated sludge (CAS) processes. The knowledge of N2O emission from advanced technologies such membrane bioreactors (MBRs) is still very limited. The present paper is aimed at providing a picture of the GHG emissions from MBR systems. In particular, data of N2O acquired from pilot plant systems monitoring are here presented. The key aim of the study was to highlight the effect of wastewater features and operational conditions on N2O production/emission from MBRs.

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