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Water risk hotspots for agriculture
Agriculture is expected to face increasing water risks that will impact production, markets, trade and food security - risks that can be mitigated with targeted policy actions on …
Mechanism and Design of Sequencing Batch Reactors for Nutrient Removal
The sequencing batch reactor (SBR) is perhaps the most promising and viable of the proposed activated sludge modifications today for the removal of organic carbon and nutrients. In …
Stakeholder engagement for inclusive water governance
This report assesses the current trends, drivers, obstacles, mechanisms, impacts, costs and benefits of stakeholder engagement in the water sector. It builds on empirical data …
Human Acceleration of the Nitrogen Cycle
This publication examines the risks associated with the release of excessive nitrogen into the environment (climate change, depletion of the ozone layer, air pollution, water …
Whole Effluent Toxicity Testing
Under the National Pollution Discharge Elimination System (NPDES), many municipal and industrial wastewater treatment facilities must perform Whole Effluent Toxicity (WET) Testing. …
A New Tool for Measuring Biosolids Floc Strength
The ability to measure sludge network strength is important in sludge dewatering applications because it can be used to determine optimum polymer dose for conditioning to achieve …
Workshop on Microbial Source Tracking in Water
The drinking water and wastewater industries are interested in developing a better understanding of sources of fecal contamination. Microbial source tracking (MST) offers the …
Understanding Factors Affecting Polymer Demand for Thickening and Dewatering
Polymer demand varies considerably for different digestion processes as well as the same digestion processes at different locations and the reasons for these differences are not …
Mathematical Modeling of Biofilms
Over 90% of bacterial biomass exists in the form of biofilms. The ability of bacteria to attach to surfaces and to form biofilms often is an important competitive advantage for …
Membrane Bioreactors for Anaerobic Treatment of Wastewaters (Phase II)
Anaerobic biological treatment systems can offer a number of advantages over their aerobic counterparts. The operational costs associated with anaerobic systems are typically lower …