Impact of UV–H2O2 Advanced Oxidation and Aging Processes on GAC Capacity for the Removal of Cyanobacterial Taste and Odor Compounds-Reference-Cited by-同舟云学术

Impact of UV–H2O2 Advanced Oxidation and Aging Processes on GAC Capacity for the Removal of Cyanobacterial Taste and Odor Compounds

Published:2015-01 Issue: Volume:9s3 Page:EHI.S29431
ISSN:1178-6302
Container-title:Environmental Health Insights
language:en
Short-container-title:Environ�Health�Insights

Author:

Zamyadi Arash¹²,Sawade Emma³,Ho Lionel³,Newcombe Gayle³,Hofmann Ron²

Affiliation:

1. UNSW Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales (UNSW), Sydney, New South Wales, Australia.

2. Department of Civil Engineering, University of Toronto, Toronto, Canada.

3. Australian Water Quality Centre (AWQC) – South Australian Water Corporation (SA Water), Adelaide, South Australia, Australia.

Abstract

Cyanobacteria and their taste and odor (T&O) compounds are a growing concern in water sources globally. Geosmin and 2-methylisoborneol (MIB) are the most commonly detected T&O compounds associated with cyanobacterial presence in drinking water sources. The use of ultraviolet and hydrogen peroxide (H2O2) as an advanced oxidation treatment for T&O control is an emerging technology. However, residual H2O2 (>80% of the initial dose) has to be removed from water prior final disinfection. Recently, granular activated carbon (GAC) is used to remove H2O2 residual. The objective of this study is to assess the impact of H2O2 quenching and aging processes on GAC capacity for the removal of geosmin and MIB. Pilot columns with different types of GAC and presence/absence of H2O2 have been used for this study. H2O2 removal for the operational period of 6 months has no significant impact on GAC capacity to remove the geosmin and MIB from water.

Publisher

SAGE Publications

Subject

Health, Toxicology and Mutagenesis,Management, Monitoring, Policy and Law,Public Health, Environmental and Occupational Health,Pollution

Link

http://journals.sagepub.com/doi/pdf/10.4137/EHI.S29431

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