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CLC number: TU991

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Received: 2001-04-05

Revision Accepted: 2001-08-02

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

http://doi.org/10.1631/jzus.2002.0268


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.

@article{title="SC response characteristics of two kinds of coagulant",
author="YANG Wan-dong, SONG Shuang, SHI Hui-xiang",
journal="Journal of Zhejiang University Science A",
volume="3",
number="3",
pages="268-271",
year="2002",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2002.0268"
}

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TY - JOUR
T1 - SC response characteristics of two kinds of coagulant
A1 - YANG Wan-dong
A1 - SONG Shuang
A1 - SHI Hui-xiang
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SP - 268
EP - 271
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2002.0268


Abstract: 
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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Reference

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[3] Cui Fuyi, Li Guibai, Qu Jiuhui, 1991. The principle of the streaming current and its detection and application. Water & Wastewater Engineering., 4: 16-19

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[5] Dentel, S. K., Abu-Orf, M. M.,1993. Applications of the streaming current detectors in sludge conditioner selection and control. Wat.Sci.Tech., 28:169-179.

[6] Gergory, J., 1985.Turbidity fluctuations in flowing suspensions. J. Colloid interface Sci., 105:357-371.

[7] Lin, M. C., Liu, J. C., 1996a. Adsorbing colloid flotation of AS(V)-feasibility of utilizing streaming current detector. Sep. Sci. Tech., 31:1629-1641.

[8] Lin, M. C., Liu, J. C., 1996b. Adsorbing colloid flotation of AS(V) - feasibility of utilizing streaming current detector. Sep. Sci. Tech., 31:2335-2349.

[9] Wu, M. D., 1993. Application of streaming current monitor for the automatic control of coagulation reaction. M.S. Thesis, Department of Chemical Engineering, National Taiwan Institute of Technology, Taipei(in Chinese).

[10] Zhang Qingyu, 2000. A knowledge-based system for waste minimzation in metal finishing and electroplating industries. Journal of Zhejiang University SCIENCE, 1:39-47.

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