Managing discolouration in drinking water distribution systems by integrating understanding of material behaviour

Joby Boxall; Mirjam Blokker; Peter Schaap; Vanessa Speight; Stewart Husband

doi:10.1016/j.watres.2023.120416

Managing discolouration in drinking water distribution systems by integrating understanding of material behaviour

Joby Boxall^*, Mirjam Blokker, Peter Schaap, Vanessa Speight, Stewart Husband

^*Corresponding author for this work

Sanitary Engineering

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

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Abstract

Discoloured drinking water, caused by elevated concentrations of organic and inorganic particles, is unacceptable. It occurs due to accumulation and subsequent mobilisation of material from within drinking water distribution infrastructure. Discolouration is currently partially explained by either the theories of cohesive layers or gravitational sedimentation. It is proposed and shown here how the processes behind these two theories both occur and how to integrate them to better explain observed behaviour and inform operational interventions to reduce discolouration. Deficiencies in understanding regarding the process and factors that influence material accumulation are highlighted. Future research addressing these deficiencies will enable determination of long term sustainable management strategies balancing capital investment and operational maintenance to safeguard distribution of high quality drinking water.

Original language	English
Article number	120416
Number of pages	13
Journal	Water Research
Volume	243
DOIs	https://doi.org/10.1016/j.watres.2023.120416
Publication status	Published - 2023

Keywords

Discolouration
Drinking water
Framework
Management

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10.1016/j.watres.2023.120416

Managing discolouration in drinking water distribution systems by integrating understanding of material behaviourFinal published version, 2.79 MBLicence: CC BY

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abstract = "Discoloured drinking water, caused by elevated concentrations of organic and inorganic particles, is unacceptable. It occurs due to accumulation and subsequent mobilisation of material from within drinking water distribution infrastructure. Discolouration is currently partially explained by either the theories of cohesive layers or gravitational sedimentation. It is proposed and shown here how the processes behind these two theories both occur and how to integrate them to better explain observed behaviour and inform operational interventions to reduce discolouration. Deficiencies in understanding regarding the process and factors that influence material accumulation are highlighted. Future research addressing these deficiencies will enable determination of long term sustainable management strategies balancing capital investment and operational maintenance to safeguard distribution of high quality drinking water.",

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T1 - Managing discolouration in drinking water distribution systems by integrating understanding of material behaviour

AU - Boxall, Joby

AU - Blokker, Mirjam

AU - Schaap, Peter

AU - Speight, Vanessa

AU - Husband, Stewart

PY - 2023

Y1 - 2023

N2 - Discoloured drinking water, caused by elevated concentrations of organic and inorganic particles, is unacceptable. It occurs due to accumulation and subsequent mobilisation of material from within drinking water distribution infrastructure. Discolouration is currently partially explained by either the theories of cohesive layers or gravitational sedimentation. It is proposed and shown here how the processes behind these two theories both occur and how to integrate them to better explain observed behaviour and inform operational interventions to reduce discolouration. Deficiencies in understanding regarding the process and factors that influence material accumulation are highlighted. Future research addressing these deficiencies will enable determination of long term sustainable management strategies balancing capital investment and operational maintenance to safeguard distribution of high quality drinking water.

AB - Discoloured drinking water, caused by elevated concentrations of organic and inorganic particles, is unacceptable. It occurs due to accumulation and subsequent mobilisation of material from within drinking water distribution infrastructure. Discolouration is currently partially explained by either the theories of cohesive layers or gravitational sedimentation. It is proposed and shown here how the processes behind these two theories both occur and how to integrate them to better explain observed behaviour and inform operational interventions to reduce discolouration. Deficiencies in understanding regarding the process and factors that influence material accumulation are highlighted. Future research addressing these deficiencies will enable determination of long term sustainable management strategies balancing capital investment and operational maintenance to safeguard distribution of high quality drinking water.

KW - Discolouration

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KW - Framework

KW - Management

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SN - 0043-1354

VL - 243

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Managing discolouration in drinking water distribution systems by integrating understanding of material behaviour

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Keywords

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