AWWA ACE58227 Online Download

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Polyelectrolytes as Amine Precursors for N-Nitrosodimethylamine in Drinking Water
Conference Proceeding by American Water Works Association, 06/15/2003

Document Format: PDF

Description

The effects of polydiallyldimethylammonium chloride (polyDADMAC) dose, epichlorohydrindimethylamine(Epi-DMA) dose, and chlorine residual on NDMA formation in thecoagulation/flocculation/sedimentation drinking water treatment process were studied usingsingle-factor experiments. Influent water to a water treatment plant was used to conduct theexperiments. The goal was to determine whether the relationship between the tested factors andNDMA yields followed linear or more complex relationships. It was found that an increase inpolymer dose resulted in a linear increase in NDMA formation. The addition of chlorine dosesexceeding the breakpoint resulted in a reduction in NDMA formation that followed empirically afirst-order reaction. Includes 25 references, tables, figures.

Product Details

Edition:
Vol. – No.
Published:
06/15/2003
Number of Pages:
14
File Size:
1 file , 280 KB
Note:
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