wastewater treatment problem Articles
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Effectiveness of septage pre-treatment in vertical flow constructed wetlands
Septage is wastewater stored temporarily in cesspools. A periodic supply of its significant quantities to small municipal wastewater treatment plants (WWTPs) may cause many operational problems. In the frame of the research, it has been proposed to utilize vertical flow constructed wetlands for pre-treatment of septage prior to its input to the biological stage of a WWTP. The aim of the work ...
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The investigation of paper mill industry wastewater treatment and activated sludge properties in a submerged membrane bioreactor
The paper mill industry produces high amounts of wastewater and, for this reason, stringent discharge limits are applied for sustainable reclamation and reuse of paper mill industry wastewater in many countries. Submerged membrane bioreactor (sMBR) systems can create new opportunities to eliminate dissolved substances present in paper mill wastewater including. In this study, a sMBR was ...
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EPA assessing wastewater nutrient pollution
Nutrient pollution of waterways is the “single greatest challenge to our nation’s water quality,” according to the United States Environmental Protection Agency. Across the U.S., excess nitrogen and phosphorus are entering waterways, presenting seemingly constant challenges. To address these challenges, the EPA is surveying the nation’s publicly owned wastewater treatment ...
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