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Journal of Zhejiang University SCIENCE A 2002 Vol.3 No.3 P.268-271


SC response characteristics of two kinds of coagulant

Author(s):  YANG Wan-dong, SONG Shuang, SHI Hui-xiang

Affiliation(s):  Department of Environmental Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s): 

Key Words:  Streaming current (SC), SC response, Coagulant, Water treatment, Automatic control

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YANG Wan-dong, SONG Shuang, SHI Hui-xiang. SC response characteristics of two kinds of coagulant[J]. Journal of Zhejiang University Science A, 2002, 3(3): 268-271.

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author="YANG Wan-dong, SONG Shuang, SHI Hui-xiang",
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publisher="Zhejiang University Press & Springer",

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%A YANG Wan-dong
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2002.0268

T1 - SC response characteristics of two kinds of coagulant
A1 - YANG Wan-dong
A1 - SONG Shuang
A1 - SHI Hui-xiang
J0 - Journal of Zhejiang University Science A
VL - 3
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SP - 268
EP - 271
%@ 1869-1951
Y1 - 2002
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2002.0268

Automatic coagulant dosage control with streaming current (SC) technique is introduced in this paper. Aluminum and ferric coagulants are widely used in surface water treatment. The SC response characteristics of P-AlCl3 aluminum coagulant and P-FeCl3 ferric coagulant were investigated in this work. Bench-scale water treatment results were obtained from jar tests including rapid mixing, flocculation and undisturbed sedimentation. Results showed that aluminum coagulant is more sensitive than ferric coagulant to SC response.

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