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IMPACT OF A HIGH LINEAR WEIGHT POLYMER CO-CONDITIONING WITH POLYALUMINIUM CHLORIDE ON DEWATERING AND CONVECTIVE DRYING OF URBAN RESIDUAL SLUDGE
Pambou, Yvon-Bert; Fraikin, Laurent; Salmon, Thierry et al.
2014 • 19th International drying Symposium
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https://hdl.handle.net/2268/200804
 

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Keywords :
Activated sludge flocculation; dewatering and drying; linear polymers and PAX coagulant
Abstract :
[en] This paper investigated the influence of Polyaluminium chloride (PAX) co-conditioning with a high linear weight polymer on the dewatering performance and the drying behavior of sludge. The CT linear polymer with a high molecular weight was used combined with PAX for sludge flocculation prior to mechanical dewatering and drying. It was found that sludge conditioned with the couple PAX/ CT led to better flocculation/dewatering process regarding size flocs and specific resistance to filtration. Concerning drying, it appeared that this chemicals combination led to improved drying rates with effect of a reduction of the drying time, when compared to polyelectrolyte used without PAX adding.
Disciplines :
Materials science & engineering
Author, co-author :
Pambou, Yvon-Bert ;  Université de Liège - ULiège > Form.doct. sc. ingé. (chim. appl. - Bologne)
Fraikin, Laurent ;  Université de Liège > Department of Chemical Engineering > Génie chimique - Procédés et développement durable
Salmon, Thierry ;  Université de Liège > Department of Chemical Engineering > Department of Chemical Engineering
Crine, Michel ;  Université de Liège > Department of Chemical Engineering > Department of Chemical Engineering
Léonard, Angélique  ;  Université de Liège > Department of Chemical Engineering > Génie chimique - Procédés et développement durable
Language :
English
Title :
IMPACT OF A HIGH LINEAR WEIGHT POLYMER CO-CONDITIONING WITH POLYALUMINIUM CHLORIDE ON DEWATERING AND CONVECTIVE DRYING OF URBAN RESIDUAL SLUDGE
Publication date :
August 2014
Number of pages :
A0
Event name :
19th International drying Symposium
Event place :
Lyon, France
Event date :
du 24 au 27 août 2014
By request :
Yes
Available on ORBi :
since 06 August 2016

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