Observations of blanket characteristics in full-scale floc blanket clarifiers

We monitored the changes in concentrations, zeta potentials, sizes and capillary suction times of the solids flocs in the clarified water from eight floc blanket clarifiers of PingTsan Water Works of Taiwan Water Supply Company with low (< 10 NTU) and high (> 100 NTU) turbidity raw water. For...

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Détails bibliographiques
Publié dans:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 47(2003), 1 vom: 20., Seite 197-204
Auteur principal: Chen, L C (Auteur)
Autres auteurs: Sung, S S, Lin, W W, Lee, D J, Huang, C, Juang, R S, Chang, H L
Format: Article
Langue:English
Publié: 2003
Accès à la collection:Water science and technology : a journal of the International Association on Water Pollution Research
Sujets:Journal Article Research Support, Non-U.S. Gov't
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520 |a We monitored the changes in concentrations, zeta potentials, sizes and capillary suction times of the solids flocs in the clarified water from eight floc blanket clarifiers of PingTsan Water Works of Taiwan Water Supply Company with low (< 10 NTU) and high (> 100 NTU) turbidity raw water. For the former, one-stage coagulation-sedimentation treatment was adopted which yielded a rather unstable blanket. Complete washout was noticeable when the PACl dosage was insufficient. On the treatment of high-turbidity raw water, on the other hand, the Works adopted the combined treatment process, that is, the raw water was first coagulated and settled in a pre-sedimentation tank, afterwards, its effluent was coagulated again and clarified in the clarifiers. The resulting flocs could form a networked blanket that was relatively stable to the shock load in raw water turbidity 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Sung, S S  |e verfasserin  |4 aut 
700 1 |a Lin, W W  |e verfasserin  |4 aut 
700 1 |a Lee, D J  |e verfasserin  |4 aut 
700 1 |a Huang, C  |e verfasserin  |4 aut 
700 1 |a Juang, R S  |e verfasserin  |4 aut 
700 1 |a Chang, H L  |e verfasserin  |4 aut 
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