Natural organic matter fractionation: XAD resins versus UF membranes. An investigation into THM formation

GOSLAN, Emma H ; WILSON, Derek ; et al.

In: 4th World Water Congress: Innovation in driking water treatmentWater science & technology : Water supply 4(5-6):113-119; Jg. 4 (2004) 5-6, S. 113-119

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An increase in reservoir water colour over the last 10 years has been impacting on the ability of water treatment works (WTWs) in the UK to meet THM regulations. The problem is exacerbated in autumn particularly after heavy rainfall. It appears that residual organics are labile precursors to disinfection by-products (DBPs). One WTW was investigated to determine a link between raw water characteristics and reactivity with chlorine. Bulk water parameters were measured but the information obtained was limited. To further characterise the water, samples of reservoir water were fractionated using XAD resins and UF membranes. The resulting fractions were subjected to analysis of dissolved organic carbon (DOC), UV absorbance at 254 nm (UV254), specific UV absorbance (SUVA) defined as the ratio of UV254 to DOC and trihalomethane formation potential (THM-FP). The samples were also characterised using high pedormance size exclusion chromatography (HPSEC). Both methods of fractionation described here have limitations in explaining the bulk water behaviour. The relationship between SUVA and THM-FP was discussed. HPSEC showed that the size distribution of the resin separated and membrane separated fractions was similar indicating that the molecular weight cut-off (MWCO) of the membranes is not sharp.

Titel:	Natural organic matter fractionation: XAD resins versus UF membranes. An investigation into THM formation
Autor/in / Beteiligte Person:	GOSLAN, Emma H ; WILSON, Derek ; BANKS, Jenny ; HILLIS, Peter ; CAMPBELL, Andrew ; PARSONS, Simon A
Link:	View record from PASCAL Archive
Quelle:	4th World Water Congress: Innovation in driking water treatmentWater science & technology : Water supply 4(5-6):113-119; Jg. 4 (2004) 5-6, S. 113-119
Veröffentlichung:	Colchester: Portland Press, 2004
Medientyp:	Konferenz
Umfang:	print, 14 ref
ISSN:	1474-3876 (print)
Schlagwort:	Civil engineering Génie civil Geology Géologie Pollution Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Batiment. Travaux publics Buildings. Public works Alimentation en eau. Canalisations. Traitement de l'eau Water supply. Pipings. Water treatment Généralités General Congrès international International conference Congreso internacional Désinfection Disinfection Desinfección Enlèvement Removal Toma Fractionnement Fractionation Fraccionamiento Matière organique Organic matter Materia orgánica Membrane Membrana Méthane(trihalogéno) Trihalomethane Trihalometano Résultat expérimental Experimental result Resultado experimental Sous produit By product Subproducto Traitement eau Water treatment Tratamiento agua Disinfection by-products natural organic matter trihalomethane formation potential
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Conference Paper File Description: text Language: English Author Affiliations: School of Water Sciences, Cranfield University, Cranfield, Bedfordshire MK43 0AL, United Kingdom ; Water Quality Technology Development Department, Yorkshire Water, Western Way, Halifax Road, Bradford BD6 2LZ, United Kingdom ; United Utilities Service Delivery, Asset Creation - Task Team, Thirlmere House, Lingley Mere, Lingley Green Avenue, Warrington WA5 3LP, United Kingdom Rights: Copyright 2005 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Building. Public works. Transport. Civil engineering

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