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Showing 1 to 4 of 4 for “"chemical phosphorus removal"”.
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Conservation of Nitrogen via Nitrification and Chemical Phosphorus Removal for Liquid Dairy Manure
… determine effective and economical dosages of chemicals to remove phosphorus (P) from liquid dairy manure. Intermittent aeration strategies, defined in terms of time the aerator is on and off (ON h:OFF h), could be used to conserve N in dairy manure. Testing of four treatments (continuous …
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Chemical phosphorus removal from municipal wastewater by the addition of waste alum sludge to the activated sludge system
… and moreover the addition of alum sludge removes phosphorus from the wastewater through chemical precipitation. Two long sludge age (20 days) Modified Ludzack Ettinger (MLE) predenitrification systems receiving unsettled municipal wastewater at a controlled concentration of 500mg COD/l as influent …
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Impacts of the use of magnesia versus iron on mesophilic anaerobic digestion and odors in wastewater
Addition of iron to sewer lines for chemical phosphorus removal is widely practiced around the world. However, high dosage of iron may prove detrimental to the anaerobic digestion process and also lead to higher organic sulfur odors and deteriorating biosolids quality. The following research …
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Tertiary Phosphorus Removal Hampton Roads Sanitation District (HRSD) Virginia Initiative Plant (VIP): Technology Selection and Operational Considerations
Excess phosphorus and nitrogen released in treated wastewater can harm rivers and coastal ecosystems by promoting algal blooms and reducing water quality. Beginning in 2032, the Hampton Roads Sanitation District (HRSD) must meet a much stricter limit for phosphorus in treated wastewater at its …