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Author: M. Negulescu
Publisher: Elsevier
ISBN: 0080870147
Category : Science
Languages : en
Pages : 597
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Book Description
Population growth and increasing industrial development makes the efficient treatment of municipal waste water of vital concern. This book describes the design of various treatment processes which have proved to be most effective, among which are included: skimming tanks with corrugated plates or circular tubes, package treatment units (grit removal - skimming tanks, activated sludge - secondary settling tanks) etc. For each of the processes described, the author gives all the relevant information concerning the design and operation of the equipment. Examples of design calculations are provided, many of them using computer methods. Sketches, diagrams and tables accompany the text and a bibliography and keyword index is provided.The book is addressed to design engineers as well as to the wide range of specialists in fields connected to waste water treatment.
Author: M. Negulescu
Publisher: Elsevier
ISBN: 0080870147
Category : Science
Languages : en
Pages : 597
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Book Description
Population growth and increasing industrial development makes the efficient treatment of municipal waste water of vital concern. This book describes the design of various treatment processes which have proved to be most effective, among which are included: skimming tanks with corrugated plates or circular tubes, package treatment units (grit removal - skimming tanks, activated sludge - secondary settling tanks) etc. For each of the processes described, the author gives all the relevant information concerning the design and operation of the equipment. Examples of design calculations are provided, many of them using computer methods. Sketches, diagrams and tables accompany the text and a bibliography and keyword index is provided.The book is addressed to design engineers as well as to the wide range of specialists in fields connected to waste water treatment.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309175623
Category : Technology & Engineering
Languages : en
Pages : 193
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Book Description
This book reviews the practice of reclaiming treated municipal wastewater for agricultural irrigation and using sewage sludge as a soil amendment and fertilizer in the United States. It describes and evaluates treatment technologies and practices; effects on soils, crop production, and ground water; public health concerns from pathogens and toxic chemicals; existing regulations and guidelines; and some of the economic, liability, and institutional issues. The recommendations and findings are aimed at authorities at the federal, state, and local levels, public utilities, and the food processing industry.
Author: Hrissi K. Karapanagioti
Publisher: IWA Publishing
ISBN: 1789060028
Category : Technology & Engineering
Languages : en
Pages : 237
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Book Description
This book covers the topic of microplastics in water and wastewater. The chapters start with introductory issues related to the growing interest in the scientific community on microplastics and the human water cycle and point out where the microplastics could interact with water. The subsequent chapters examine evidence of the microplastic presence in freshwater, such as in both rivers and lakes, in freshwater biota, and hazardous chemicals associated with microplastics in such systems. Another set of chapters discuss the presence of microplastics in wastewater: their sources; their transfer through a wastewater treatment plant; the concentration of microplastics in effluents throughout the world; the plastic biomedia used in wastewater treatment plants and the effect on the surrounding environment of effluent wastewater pipes. These chapters also discuss the sampling methods, the sample treatment and analysis techniques used so far for microplastics in wastewater. Additionally, the presence of microplastics in sewage sludge and in soils irrigated with wastewater or fertilized with sludge are discussed. The possible impact of plastics and their additives on plants, microalgae, and humans are reviewed and presented in a critical way. Finally, a chapter summarizes all the relevant regulations and initiatives that point to the necessity of a global directive for the protection of the environment from plastic and microplastic pollution. The topic of microplastics in freshwater systems and in wastewater has scarcely been studied and requires more attention. Microplastics in Water and Wastewater aims to bring these initial findings to the attention of a broader audience and especially to operators and managers of freshwater and wastewater systems. It will also be helpful to people already aware of the marine debris problem to understand the sources of microplastics in the oceans, from freshwater systems and wastewater treatment plants.
Author: Yu Liu
Publisher: IWA Publishing
ISBN: 1789060079
Category : Science
Languages : en
Pages : 184
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Book Description
The principle of the conventional activated sludge (CAS) for municipal wastewater treatment is primarily based on biological oxidation by which organic matters are converted to biomass and carbon dioxide. After more than 100 years’ successful application, the CAS process is receiving increasing critiques on its high energy consumption and excessive sludge generation. Currently, almost all municipal wastewater treatment plants with the CAS as a core process are being operated in an energy-negative fashion. To tackle such challenging situations, there is a need to re-examine the present wastewater treatment philosophy by developing and adopting novel process configurations and emerging technologies. The solutions going forward should rely on the ways to improve direct energy recovery from wastewater, while minimizing in-plant energy consumption. This book begins with a critical overview of the energy situation and challenges in current municipal wastewater treatment plants, showing the necessity of the paradigm shift from removal to recovery in terms of energy and resource. As such, the concept of A-B process is discussed in detail in the book. It appears that various A-B process configurations are able to provide possible engineering solutions in which A-stage is primarily designed for COD capture with the aim for direct anaerobic treatment without producing excessive biosludge, while B-stage is designated for nitrogen removal. Making the wastewater treatment energy self-sustainable is obviously of global significance and eventually may become a game changer for the global market of the municipal wastewater reclamation technology. The principal audiences include practitioners, professionals, university researchers, undergraduate and postgraduate students who are interested and specialized in municipal wastewater treatment and process design, environmental engineering, and environmental biotechnology.
Author: Izrail S. Turovskiy
Publisher: John Wiley & Sons
ISBN: 0471791601
Category : Science
Languages : en
Pages : 368
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Book Description
Reap the benefits of sludge The processing of wastewater sludge for use or disposal has been a continuing challenge for municipal agencies. Yet, whensludge is properly processed, the resulting nutrient-rich product--biosolids--can be a valuable resource for agriculture and other uses. Wastewater Sludge Processing brings together a wide body of knowledge from the field to examine how to effectively process sludge to reap its benefits, yet protect public health. Presented in a format useful as both a reference for practicing environmental engineers and a textbook for graduatestudents, this book discusses unit operations used for processing sludge and the available methods for final disposition of the processed product. Topics discussed include sludge quantities and characteristics, thickening and dewatering, aerobicand anaerobic digestion, alkaline stabilization, composting, thermal drying and incineration, energy consumption, and the beneficial use of biosolids. COMPREHENSIVE IN ITS COVERAGE, THE TEXT: * Describes new and emerging technologies as well as international methods * Compares different types of sludge processing methods * Explains both municipal and industrial treatment technologies Written by authors with decades of experience in the field, Wastewater Sludge Processing is an invaluable tool for anyone planning, designing, and implementing municipal wastewater sludge management projects.
Author: Eric Danso-Boateng
Publisher: Nova Science Publishers
ISBN: 9781536110722
Category : Sewage sludge
Languages : en
Pages : 0
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Book Description
Sewage sludge is the product resulting from wastewater treatment plants and aquaculture systems. It is an abundant waste biomass, as its production keeps increasing due to population growth, particularly in developing countries and intensified wastewater treatment plants in the developed world due to industrialisation. Effective management and handling of sewage sludge in an environmentally friendly way has become a matter of increasing importance globally, due to the potential health risks on the environment. Importantly, sewage sludge contains large amounts of organic components and nutrients; hence, resource recovery from such an abundant biomass is necessary. This comprehensive book presents an assessment into the impact of sewage sludge on the environment and provides the various treatment options for converting the sludge into useful resources. Biochemical (or biological) and thermochemical (or thermal) methods of sewage sludge treatment are covered. Through contributions from experts in diverse fields, this book has been organised to suit a variety of readers, including professionals and students who are interested in sewage sludge treatment as well as resource recovery from sewage sludge by using different and innovative technologies.
Author:
Publisher:
ISBN:
Category : Organic wastes as fertilizer
Languages : en
Pages : 194
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Book Description
Author: Ravindra K. Dhir OBE
Publisher: Woodhead Publishing
ISBN: 0081009909
Category : Technology & Engineering
Languages : en
Pages : 478
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Book Description
This book is the fourth, in the series of five, on sustainable construction materials and like the previous three, it is also different to the norm. Its uniqueness lies in using the newly developed, Analytical Systemisation Method, in building the data-matrix sourced from 751 publications, contributed by 1402 authors from 513 institutions in 51 countries, from 1970 to 2017, on the subject of processed waste glass (glass cullet) as a construction material, and systematically analysing, evaluating and modelling this information for use of glass cullet as cement, aggregate or filler in concrete, ceramics, geotechnics and road pavement applications. Environmental issues, case studies and standards are also discussed. The work establishes what is already known and can be used to further progress the use of sustainable construction materials. It can also help to avoid repetitive research and save valuable resources. The book is structured in an incisive and easy to digest manner and is particularly suited for researchers, academics, design engineers, specifiers, contractors, and government bodies dealing with construction works. - Provides an extensive source of valuable database information, supported by an exhaustive list of globally-based published literature over the last 40-50 years - Offer an analysis, evaluation, repackaging and modeling of existing knowledge on sustainable construction practices - Provides a wealth of knowledge for use in many sectors relating to the construction profession
Author: Jan C.J. Bart
Publisher: Elsevier
ISBN: 1845697766
Category : Technology & Engineering
Languages : en
Pages : 859
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Book Description
Biodiesel production is a rapidly advancing field worldwide, with biodiesel fuel increasingly being used in compression ignition (diesel) engines. Biodiesel has been extensively studied and utilised in developed countries, and it is increasingly being introduced in developing countries, especially in regions with high potential for sustainable biodiesel production.Initial sections systematically review feedstock resources and vegetable oil formulations, including the economics of vegetable oil conversion to diesel fuel, with additional coverage of emerging energy crops for biodiesel production. Further sections review the transesterification process, including chemical (catalysis) and biochemical (biocatalysis) processes, with extended coverage of industrial process technology and control methods, and standards for biodiesel fuel quality assurance. Final chapters cover the sustainability, performance and environmental issues of biodiesel production, as well as routes to improve glycerol by-product usage and the development of next-generation products.Biodiesel science and technology: From soil to oil provides a comprehensive reference to fuel engineers, researchers and academics on the technological developments involved in improving biodiesel quality and production capacity that are crucial to the future of the industry. - Evaluates biodiesel as a renewable energy source and documents global biodiesel development - The outlook for biodiesel science and technology is presented exploring the challenges faced by the global diesel industry - Reviews feedstock resources and vegetable oil formation including emerging crops and the agronomic potential of underexploited oil crops
Author:
Publisher:
ISBN:
Category : Sewage as fertilizer
Languages : en
Pages : 316
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Book Description
