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Online monitoring of priority and dangerous pollutants in natural and urban waters: A state-of-the-art review

Andrea G Capodaglio (Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy)
Arianna Callegari (Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy)
Daniele Molognoni (Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy)

Management of Environmental Quality

ISSN: 1477-7835

Article publication date: 8 August 2016

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Abstract

Purpose

Advancements in real-time water monitoring technologies permit rapid detection of water quality, and threats from waste loads. Water Framework Directive mandating the establishment of Member States’ water resources monitoring, presence of hazardous contaminants in effluents, and perception of vulnerability of water distribution system to attacks, have spurred technical and economic interests. The paper aims to discuss these issues.

Design/methodology/approach

As alternative to traditional analyzers, chemosensors, operate according to physical principles, without sample collection (online), and are capable of supplying parameter values continuously and in real-time. Their low selectivity and stability issues have been overcome by technological developments. This review paper contains a comprehensive survey of existing and expected online monitoring technologies for measurement/detection of pollutants in water.

Findings

The state-of-the-art in online water monitoring is presented. Application examples are reported. Monitoring costs will become a lesser part of a water utility budget due to the fact that automation and technological simplification will abate human cost factors, and reduce the complexity of laboratory procedures.

Originality/value

An overview of applicable instrumentation, and forthcoming developments, is given. Technological development in this field is very rapid, and astonishing advances are anticipated in several areas (fingerprinting, optochemical sensors, biosensors, molecular techniques). Online monitoring is becoming an ever-important tool not only for compliance control or plant management purposes, but also as a useful approach to pollution control and reduction, minimizing the environmental impact of discharges.

Keywords

Citation

Capodaglio, A.G., Callegari, A. and Molognoni, D. (2016), "Online monitoring of priority and dangerous pollutants in natural and urban waters: A state-of-the-art review", Management of Environmental Quality, Vol. 27 No. 5, pp. 507-536. https://doi.org/10.1108/MEQ-01-2015-0009

Publisher

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Emerald Group Publishing Limited

Copyright © 2016, Emerald Group Publishing Limited