Influence of granular activated carbon media properties on natural organic matter and disinfection by-product precursor removal from drinking water

Simple item page
dc.contributor.authorGolea, D. M.
dc.contributor.authorJarvis, Peter
dc.contributor.authorJefferson, Bruce
dc.contributor.authorMoore, Graeme
dc.contributor.authorSutherland, S.
dc.contributor.authorParsons, Simon A.
dc.contributor.authorJudd, Simon J.
dc.date.accessioned2020-04-24T13:34:38Z
dc.date.available2020-04-24T13:34:38Z
dc.date.freetoread2021-02-16
dc.date.issued2020-02-15
dc.description.abstractOperational and financial constraints challenge effective removal of natural organic matter (NOM), and specifically disinfection by-product (DBP) precursors, at remote and/or small sites. Granular activated carbon (GAC) is a widely used treatment option for such locations, due to its relatively low maintenance and process operational simplicity. However, its efficacy is highly dependent on the media capacity for the organic matter, which in turn depends on the media characteristics. The influence of GAC media properties on NOM/DBP precursor removal has been studied using a range of established and emerging media using both batch adsorption tests and rapid small-scale column tests. DBP formation propensity (DBPFP) was measured with reference to trihalomethanes (THMs) and haloacetic acids (HAAs). All GAC media showed no selectivity for specific removal of precursors of regulated DBPs; DBP formation was a simple function of residual dissolved organic carbon (DOC) levels. UV254 was found to be a good surrogate measurement of DBPFP for an untreated water source having a high DOC. Due to the much-reduced concentration of DBP precursors, the correlation was significantly poorer for the coagulation/flocculation-pretreateed water source. Breakthrough curves generated from the microcolumn trials revealed DOC removal and consequent DBP reduction to correlate reasonably well with the prevalence pores in the 5–10 nm range. A 3–6 fold increase in capacity was recorded for a 0.005–0.045 cm3/g change in 5–10 nm-sized pore volume density. No corresponding correlation was evident with other media pore size ranges.en_UK
dc.identifier.citationGolea DM, Jarvis P, Jefferson B, et al., (2020) Influence of granular activated carbon media properties on natural organic matter and disinfection by-product precursor removal from drinking water. Water Research, Volume 174, May 2020, Article number 115613en_UK
dc.identifier.cris26812358
dc.identifier.issn0043-1354
dc.identifier.urihttps://doi.org/10.1016/j.watres.2020.115613
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/15411
dc.language.isoenen_UK
dc.publisherElsevier / IWAen_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectGACen_UK
dc.subjectNOMen_UK
dc.subjectPore sizeen_UK
dc.subjectTHMen_UK
dc.subjectHAAen_UK
dc.subjectFormation propensityen_UK
dc.titleInfluence of granular activated carbon media properties on natural organic matter and disinfection by-product precursor removal from drinking wateren_UK
dc.typeArticleen_UK

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Influence_of_granular_activated_carbon_media_properties-2020.pdf
Size:
1.42 MB
Format:
Adobe Portable Document Format
Description:
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.63 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Staff publications (SWEE)