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Natural wastewater treatment systems
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"The first edition of natural wastewater treatment systems has long served as the basis for understanding the design and performance of natural systems in treating wastewater. This updated edition will only enhance its recognition as an industry standard."
Calling for ecologically and economically sound wastewater treatment systems, the authors of natural wastewater treatment systems explore the use of wetlands, sprinkler irrigation, groundwater recharge, and other natural systems as sustainable methods for the treatment and management of wastewater. Based on work by prominent experts in natural waste treatment, this text provides a thorough explanation on how soil and plants can successfully sustain microbial populations in the treatment of wastewater. Determining that natural systems cost less to construct and operate and require less energy than mechanical treatment alternatives, the text also explains how these processes produce lower amounts of residual solids and use little or no chemicals.
What's new in the second edition:
This revised edition includes current design and regulatory and operational developments in the natural wastewater treatment field. It provides detailed examples and analyses along with significant operational data in each chapter. It also considers how processes provide passive treatment with a minimum of mechanical elements and describes new approaches to partially mixed ponds, including dual-powered aeration ponds.
Introduces the planning procedures and treatment mechanisms responsible for treatment in ponds, wetlands, land applications, and soil absorption systems.
Presents design criteria and methods of pond treatment and pond effluent upgrading.
Describes constructed wetlands design procedures, process applications, treatment performance data, and land treatment concepts and design equations.
Provides new case studies of decentralized natural treatment and reuse systems.
Includes examples of onsite wastewater management district operations.
Designed for practicing wastewater engineers and scientists involved in the planning, design, and operation of ponds, wetlands, land treatment, biosolids, and onsite soil-based treatment systems, the book integrates many natural treatment systems into one single source.
New technologies in aquaculture : improving production efficiency, quality and environmental management
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With wild stocks declining due to over-fishing, aquaculture will hâve a more significant rôle to play in meeting future demand for fresh fish. Developments in research continue to lead to improvements in aquaculture production systems, resulting in increased production efficiency, higher product quality for consumers and a more sustainable industry. New technologies in aquaculture reviews essential advances in thèse areas.
Part I focuses on the genetic improvement of farmed species and control of reproduction, with chapters on genome-based technologies in aquaculture research, sélective breeding and the production of single sex and stérile populations, among other topics. Parts II and III review key issues in health, diet and husbandry, such as thé control of viral and parasitic diseases, diet and husbandry techniques to improve disease résistance, advances in diets for particular fish species, and the impact of harmful algal bloom on shellfisheries aquaculture. Chapters in parts IV and V then examine key environmental issues, including the prédiction and assessment of the impact of aquaculture, and the farming of new species, such as cod and cobia. Concluding chapters focus on the design of différent aquaculture production systems, including offshore technologies, tank-based recirculating systems and ponds.
With its well-known editors and distinguished international team of contributors, New technologies in aquaculture will be an essential resource for professionals and researchers in the aquaculture industry.
Natural wastewater treatment systems
- Auteur
- Burnell, Gavin, Allan,Geoff
- Sujet
- Sewage -- Purification -- Biological treatment.
Sewage sludge -- Management.
- Cote
- 628.162 CRI
- Date_TXT
- Boca Raton : CRC Press, cop. 2014
- Type de document
- Livre
New technologies in aquaculture : improving production efficiency, quality and environmental management
- Auteur
- Burnell, Gavin, Allan,Geoff
- Sujet
- Aquaculture--technological innovations
Aquaculture industry
- Cote
- 639.8 BUR
- Date_TXT
- Boca Raton : CRC press, 2009
- Type de document
- Livre
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