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| Author | : Ray Dinges |
| Publisher | : Van Nostrand Reinhold Company |
| Total Pages | : 280 |
| Release | : 1982 |
| Genre | : Technology & Engineering |
| ISBN | : 9780442201661 |
| Author | : |
| Publisher | : |
| Total Pages | : 270 |
| Release | : 1990 |
| Genre | : |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 270 |
| Release | : 1990 |
| Genre | : Sewage |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 280 |
| Release | : 1990 |
| Genre | : Land treatment of wastewater |
| ISBN | : |
| Author | : Jessica Ertel |
| Publisher | : IWA Publishing |
| Total Pages | : 64 |
| Release | : 2019-11-15 |
| Genre | : Science |
| ISBN | : 1789060818 |
By 2025, two thirds of the world’s population will be living in water stressed conditions. Meanwhile, the degradation of water ecosystems is occurring at alarming rates. Water utilities and water regulators that choose to play an active role in catchment management with nature based solutions (NBS) are uniquely positioned to help. Building a robust knowledge base and supporting opportunities for cross-sector collaboration are fundamental to the mainstreaming of NBS. The International Water Association (IWA) and The Nature Conservancy (TNC) are working together to encourage and facilitate active utility involvement in NBS, as well as promoting stronger connections between water utilities and regulatory bodies. Implementation of NBS involves multiple, interdependent stakeholders at various governance levels, and consequently regulators a key role in creating the enabling environments for these interactions and negotiations. This publication taps into diverse geographies and contexts, delving into case studies for a richer conversation that addresses the variety of challenges and elements for success for integrating NBS into water utility operations and planning. By publicizing successful case studies, the IWA/TNC partnership fulfils a dual purpose of endorsing these efforts and providing actionable guidance for other water utilities striving to improve their sustainability and resiliency.
| Author | : Katharine Cross |
| Publisher | : IWA Publishing |
| Total Pages | : 344 |
| Release | : 2021-08-15 |
| Genre | : Science |
| ISBN | : 9781789062250 |
There are 2.4 billion people without improved sanitation and another 2.1 billion with inadequate sanitation (i.e. wastewater drains directly into surface waters), and despite improvements over the past decades, the unsafe management of fecal waste and wastewater continues to present a major risk to public health and the environment (UN, 2016). There is growing interest in low cost sanitation solutions which harness natural systems. However, it can be difficult for wastewater utility managers to understand under what conditions such nature-based solutions (NBS) might be applicable and how best to combine traditional infrastructure, for example an activated sludge treatment plant, with an NBS such as treatment wetlands. There is increasing scientific evidence that treatment systems with designs inspired by nature are highly efficient treatment technologies. The cost-effective design and implementation of ecosystems in wastewater treatment is something that exists and has the potential to be further promoted globally as both a sustainable and practical solution. This book serves as a compilation of technical references, case examples and guidance for applying nature-based solutions for treatment of domestic wastewater, and enables a wide variety of stakeholders to understand the design parameters, removal efficiencies, costs, co-benefits for both people and nature and trade-offs for consideration in their local context. Examples through case studies are from across the globe and provide practical insights into the variety of potentially applicable solutions.
| Author | : David A. Chin |
| Publisher | : John Wiley & Sons |
| Total Pages | : 472 |
| Release | : 2012-11-28 |
| Genre | : Science |
| ISBN | : 1118078608 |
Provides the tools needed to control and remediate the quality of natural water systems Now in its Second Edition, this acclaimed text sets forth core concepts and principles that govern the fate and transport of contaminants in water, giving environmental and civil engineers and students a full set of tools to design systems that effectively control and remediate the quality of natural waters. Readers will find coverage of all major classes of water bodies. Moreover, the author discusses the terrestrial fate and transport of contaminants in watersheds, underscoring the link between terrestrial loadings and water pollution. Water-Quality Engineering in Natural Systems begins with an introduction exploring the sources of water pollution and the control of water pollution. It then presents the fundamentals of fate and transport, including the derivation and application of the advection–diffusion equation. Next, the text covers issues that are unique to: Rivers and streams Groundwater Watersheds Lakes and reservoirs Wetlands Oceans and estuaries The final two chapters are dedicated to analyzing water-quality measurements and modeling water quality. This Second Edition is thoroughly updated based on the latest findings, practices, and standards. In particular, readers will find new methods for calculating total maximum daily loads for river contaminants, with specific examples detailing the fate and transport of bacteria, a pressing problem throughout the world. With end-of-chapter problems and plenty of worked examples, Water-Quality Engineering in Natural Systems enables readers to not only understand what happens to contaminants in water, but also design systems to protect people from toxic pollutants.
| Author | : DIANE Publishing Company |
| Publisher | : DIANE Publishing |
| Total Pages | : 50 |
| Release | : 1994-12 |
| Genre | : |
| ISBN | : 0788115081 |
Discusses whether wastewater treatment costs could be reduced by using alternative wastewater treatment systems. Addresses (1) whether there are cost-effective alternatives to conventional systems for collecting & treating wastewater, (2) whether barriers are limiting the use of these alternatives, & (3) how EPA is addressing the development of future technologies. Charts & tables.
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 422 |
| Release | : 2000-08-17 |
| Genre | : Science |
| ISBN | : 0309069483 |
Environmental problems in coastal ecosystems can sometimes be attributed to excess nutrients flowing from upstream watersheds into estuarine settings. This nutrient over-enrichment can result in toxic algal blooms, shellfish poisoning, coral reef destruction, and other harmful outcomes. All U.S. coasts show signs of nutrient over-enrichment, and scientists predict worsening problems in the years ahead. Clean Coastal Waters explains technical aspects of nutrient over-enrichment and proposes both immediate local action by coastal managers and a longer-term national strategy incorporating policy design, classification of affected sites, law and regulation, coordination, and communication. Highlighting the Gulf of Mexico's "Dead Zone," the Pfiesteria outbreak in a tributary of Chesapeake Bay, and other cases, the book explains how nutrients work in the environment, why nitrogen is important, how enrichment turns into over-enrichment, and why some environments are especially susceptible. Economic as well as ecological impacts are examined. In addressing abatement strategies, the committee discusses the importance of monitoring sites, developing useful models of over-enrichment, and setting water quality goals. The book also reviews voluntary programs, mandatory controls, tax incentives, and other policy options for reducing the flow of nutrients from agricultural operations and other sources.
| Author | : United States. General Accounting Office |
| Publisher | : |
| Total Pages | : 52 |
| Release | : 1994 |
| Genre | : Refuse and refuse disposal |
| ISBN | : |
