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AWWA WQTC69289
- The Influence of Water Chemistry on Dissolution Rates of Lead (II) Carbonate Solids Found in Water Distribution Systems
- Conference Proceeding by American Water Works Association, 11/01/2008
- Publisher: AWWA
$12.00$24.00
Utilities are implementing lead remediation strategies, such as the addition ofphosphate, to control lead concentrations in their distribution systems. This researchmonitors the transformation of hydrocerussite to lower solubility lead phosphates in real-time, using Raman spectroscopy in a flow through reactor. The data will then be used todevelop conceptual models for the specific processes governing the transformation ofhydrocerussite to lead phosphates. Important processes include: dissolution, nucleationand crystal growth, particle-particle interactions, or direct solid-state conversion. In thenear future, mathematical models for each approach are being tested to provide insightinto the transformation process. Includes 20 references, figures.
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