Global ETD Search
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Showing 1 to 4 of 4 for “"By-Product Release"”.
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Aging and Copper Corrosion By-Product Release: Role of Common Anions, Impact of Silica and Chlorine, and Mitigating Release in New Pipe
… factor controlling the maximum soluble copper release. Gradual replacement of soluble Cu(OH)2 scale to less soluble scale is desirable and occurs through a process known as "aging. The presence of sulfate, bicarbonate and orthophosphate in water can quickly convert Cu(OH)2 to less soluble …
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Copper in the Urban Water Cycle: Sources and Sinks, Benefits and Detriments, and Corrosion in Soft Waters
… Dosing of pure copper sulfate "root killer" by consumers, which is of unlikely value, accounted for up to 27% of copper inputs. Removal of copper in wastewater treatment ranged from 24-90%, suggesting a potential for optimization of these processes if desired. Finally, though utilities are …
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Advancing the Understanding of Water Distribution System Corrosion: Effects of Chlorine and Aluminum on Copper Pitting, Temperature Gradients on Copper Corrosion, and Silica on Iron Release
… aluminum solids, and copper metal as evidenced by increased chlorine decay rates, non-uniform corrosion, and rising corrosion potentials. Temperature changes had been suspected to increase copper pitting frequency and copper release to drinking water. Experiments examined the effect of …
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Formation of Aluminum Containing Solids in Drinking Water: Influence on Pb/Cu Corrosion, Al Solubility and Enhanced Softening
… aluminosilicates could further worsen corrosion by-product release. The second phase of work attempted to extend understanding of aluminum solubility controls by accounting for effects of sulfate and formation of solids other than Al(OH)₃ during water treatment. Sulfate was found to destabilize …