AWWA ACE93123 PDF

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Use of Scattered Light Fluctuations to Monitor Coagulation Dynamics with Aluminum Sulfate
Conference Proceeding by American Water Works Association, 01/01/1993

Document Format: PDF

Description

Recently, a simple, sensitive technique has been developed to monitor the state of aggregation of particle suspensions. This technique involves the measurement of transmitted light (turbidity) fluctuations in flowing suspension. With this method, the relative size of aggregates formed during the coagulation process, expressed as a “coagulation index,” can be determined continuously with a flow-through detector. The technique has been successfully applied to study the dynamics of coagulation of dilute and concentrated particle suspensions by various polymeric coagulants. The objective of this study is to demonstrate the use of this optical technique for continuous monitoring of the dynamics of particle aggregation with aluminum sulfate (alum). Data obtained from turbidity fluctuation measurements can provide valuable insights into the mechanisms of particle coagulation with hydrolyzing metal salt coagulants. Furthermore, it is demonstrated that measurements with this optical monitor can assist in selecting optimal coagulant dose.

Product Details

Published:
01/01/1993
ISBN(s):
0898677130
Number of Pages:
8
File Size:
1 file
Note:
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