Characterization of synthetic and activated sludge and conditioning with cationic polyelectrolytes

Tan Phong Nguyen; Nidal Hilal; Nicholas P. Hankins; John T. Novak

doi:10.1016/j.desal.2007.07.016

Characterization of synthetic and activated sludge and conditioning with cationic polyelectrolytes

Tan Phong Nguyen, Nidal Hilal, Nicholas P. Hankins, John T. Novak

Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

This study investigates the effect of cationic polyelectrolytes on the final properties of synthetic and activated sludge. Synthetic sludge was prepared according to established procedures. Activated sludge was produced in a labscale, continuous-flow reactor which was fed with live activated sludge from a waste-water treatment plant. Capillary suction time (CST) was used to evaluate the sludge dewatering behaviour. The results from experiments indicated that the cationic polyelectrolytes had a critical effect on sludge dewatering, and made an improvement in the final properties of sludge. The two types of sludge have very similar dewatering characteristics after cationic polymer conditioning. The development of synthetic sludge is suggested also to be a possible surrogate for studying the final properties of activated sludge.

Original language	English (US)
Pages (from-to)	103-110
Number of pages	8
Journal	Desalination
Volume	227
Issue number	1-3
DOIs	https://doi.org/10.1016/j.desal.2007.07.016
State	Published - Jul 30 2008

Keywords

Activated sludge
Polyelectrolytes
Sludge properties
Synthetic sludge

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Materials Science
Water Science and Technology
Mechanical Engineering

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10.1016/j.desal.2007.07.016

Cite this

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title = "Characterization of synthetic and activated sludge and conditioning with cationic polyelectrolytes",

abstract = "This study investigates the effect of cationic polyelectrolytes on the final properties of synthetic and activated sludge. Synthetic sludge was prepared according to established procedures. Activated sludge was produced in a labscale, continuous-flow reactor which was fed with live activated sludge from a waste-water treatment plant. Capillary suction time (CST) was used to evaluate the sludge dewatering behaviour. The results from experiments indicated that the cationic polyelectrolytes had a critical effect on sludge dewatering, and made an improvement in the final properties of sludge. The two types of sludge have very similar dewatering characteristics after cationic polymer conditioning. The development of synthetic sludge is suggested also to be a possible surrogate for studying the final properties of activated sludge.",

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T1 - Characterization of synthetic and activated sludge and conditioning with cationic polyelectrolytes

AU - Nguyen, Tan Phong

AU - Hilal, Nidal

AU - Hankins, Nicholas P.

AU - Novak, John T.

PY - 2008/7/30

Y1 - 2008/7/30

N2 - This study investigates the effect of cationic polyelectrolytes on the final properties of synthetic and activated sludge. Synthetic sludge was prepared according to established procedures. Activated sludge was produced in a labscale, continuous-flow reactor which was fed with live activated sludge from a waste-water treatment plant. Capillary suction time (CST) was used to evaluate the sludge dewatering behaviour. The results from experiments indicated that the cationic polyelectrolytes had a critical effect on sludge dewatering, and made an improvement in the final properties of sludge. The two types of sludge have very similar dewatering characteristics after cationic polymer conditioning. The development of synthetic sludge is suggested also to be a possible surrogate for studying the final properties of activated sludge.

AB - This study investigates the effect of cationic polyelectrolytes on the final properties of synthetic and activated sludge. Synthetic sludge was prepared according to established procedures. Activated sludge was produced in a labscale, continuous-flow reactor which was fed with live activated sludge from a waste-water treatment plant. Capillary suction time (CST) was used to evaluate the sludge dewatering behaviour. The results from experiments indicated that the cationic polyelectrolytes had a critical effect on sludge dewatering, and made an improvement in the final properties of sludge. The two types of sludge have very similar dewatering characteristics after cationic polymer conditioning. The development of synthetic sludge is suggested also to be a possible surrogate for studying the final properties of activated sludge.

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KW - Polyelectrolytes

KW - Sludge properties

KW - Synthetic sludge

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Characterization of synthetic and activated sludge and conditioning with cationic polyelectrolytes

Abstract

Keywords

ASJC Scopus subject areas

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