Simultaneous removal of particles and dissolved organic matter in floating media filter for surface water treatment

Chiemchaisri, C; Passananon, S; Ngo, HH; Vigneswaran, S

Simultaneous removal of particles and dissolved organic matter in floating media filter for surface water treatment

Chiemchaisri, C Passananon, S Ngo, HH

Vigneswaran, S

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Publication Type:: Journal Article
Citation:: Desalination and Water Treatment, 2009, 11 (1-3), pp. 109 - 114
Issue Date:: 2009-01-01

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Field	Value	Language
dc.contributor.author	Chiemchaisri, C	en_US
dc.contributor.author	Passananon, S	en_US
dc.contributor.author	Ngo, HH https://orcid.org/0000-0002-0296-2866	en_US
dc.contributor.author	Vigneswaran, S https://orcid.org/0000-0002-8117-4322	en_US
dc.date.issued	2009-01-01	en_US
dc.identifier.citation	Desalination and Water Treatment, 2009, 11 (1-3), pp. 109 - 114	en_US
dc.identifier.issn	1944-3994	en_US
dc.identifier.uri	http://hdl.handle.net/10453/9281
dc.description.abstract	This research investigated the performance of floating media filter in removing particles and dissolved organic matter from surface water. Pilot-scale study consists of floating plastic media pre-filter connected with either granular activated carbon (GAC) or sponge biological filter (BF) bed. In the floating plastic media filter, coagulation and flocculation processes using poly-aluminum chloride (PACl) as coagulant at an optimum dose of 8 mg/L helped removing particles from raw water. The floating media filter was operated a filtration rate of 11 m3/m2.h whereas those in GAC and BF units were maintained at 2 m3/m2.h. Continuous operation for over 120 days gave 98% and 99% average removal efficiencies of turbidity and UV254 in floating media filter in combination with GAC unit whereas and 78% and 52% removal efficiencies of turbidity and UV254 removal were obtained in floating media filter in combination with BF. The removal of dissolved organic carbon in GAC and BF units reduced chlorine demand for disinfection by 29% and 14%. It could also reduce the sum of trihalomethane (THMs) ratio from 1.1 to 0.1 and 0.5 respectively. © 2009 Desalination Publications.	en_US
dc.relation.ispartof	Desalination and Water Treatment	en_US
dc.relation.isbasedon	10.5004/dwt.2009.849	en_US
dc.title	Simultaneous removal of particles and dissolved organic matter in floating media filter for surface water treatment	en_US
dc.type	Journal Article
utslib.citation.volume	1-3	en_US
utslib.citation.volume	11	en_US
utslib.for	0907 Environmental Engineering	en_US
utslib.for	0904 Chemical Engineering	en_US
utslib.for	0905 Civil Engineering	en_US
dc.location.activity	Townsville, AUSTRALIA
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment
utslib.copyright.status	open_access
pubs.issue	1-3	en_US
pubs.publication-status	Published	en_US
pubs.volume	11	en_US

Abstract:

This research investigated the performance of floating media filter in removing particles and dissolved organic matter from surface water. Pilot-scale study consists of floating plastic media pre-filter connected with either granular activated carbon (GAC) or sponge biological filter (BF) bed. In the floating plastic media filter, coagulation and flocculation processes using poly-aluminum chloride (PACl) as coagulant at an optimum dose of 8 mg/L helped removing particles from raw water. The floating media filter was operated a filtration rate of 11 m3/m2.h whereas those in GAC and BF units were maintained at 2 m3/m2.h. Continuous operation for over 120 days gave 98% and 99% average removal efficiencies of turbidity and UV254 in floating media filter in combination with GAC unit whereas and 78% and 52% removal efficiencies of turbidity and UV254 removal were obtained in floating media filter in combination with BF. The removal of dissolved organic carbon in GAC and BF units reduced chlorine demand for disinfection by 29% and 14%. It could also reduce the sum of trihalomethane (THMs) ratio from 1.1 to 0.1 and 0.5 respectively. © 2009 Desalination Publications.

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http://hdl.handle.net/10453/9281