2005
DOI: 10.2134/jeq2005.0086
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Reducing Sediment and Phosphorus in Tributary Waters with Alum and Polyacrylamide

Abstract: The Salton Sea is the largest inland water body in California, covering an area of 980 km(2). Inflow to the Salton Sea (1.6 km(3) yr(-1)) is predominately nutrient-rich agricultural wastewater, which has led to eutrophication. Because internal phosphorus release from the bottom sediments is comparatively low and external phosphorus loading to the Salton Sea is high, reduction of tributary phosphorus is expected to reduce algal blooms, increase dissolved oxygen, and reduce odors. Removing both dissolved phospho… Show more

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Cited by 18 publications
(9 citation statements)
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“…The harvesting of microalgae is very important in various processes such as wastewater treatment with a stabilization or oxidation pond,1 algal biomass production,2 drinking water supply and environmental management of inland water 3, 4. Many methods, such as centrifugation, filtration, flocculation and flotation, have been developed for microalgae recovery 5, 6.…”
Section: Introductionmentioning
confidence: 99%
“…The harvesting of microalgae is very important in various processes such as wastewater treatment with a stabilization or oxidation pond,1 algal biomass production,2 drinking water supply and environmental management of inland water 3, 4. Many methods, such as centrifugation, filtration, flocculation and flotation, have been developed for microalgae recovery 5, 6.…”
Section: Introductionmentioning
confidence: 99%
“…Polyacrylamide is a generic name for thousands of polymers containing acrylamide that can have various charges (anionic, cationic, or neutral), charge densities and molecular weights (Lipp and Kozakiewicz, 1991). Polyacrylamides have the advantages that relatively low amounts are required to stabilize wastewater and settling of the flocs is fast (Mason et al, 2005;Zeng et al, 2007). Polyacrylamide is soluble in water, acetone and ethanol, highly mobile in soil and groundwater, and degradable (Smith et al, 1996).…”
Section: Introductionmentioning
confidence: 99%
“…, 2006; Moore & Edwards, 2007). It has also been used to treat streams, rivers and lakes (Mason et al. , 2005; Paul et al.…”
Section: Resultsmentioning
confidence: 99%
“…, 2005), ferrisulphate (Schoumans et al. , 1995), polyacrylamide (Mason et al. , 2005), one of the most studied, effective, cheap, and readily available sorbing agents is aluminium sulphate (alum).…”
Section: Introductionmentioning
confidence: 99%