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Activated carbon for water and wastewater treatment
This monograph provides comprehensive coverage of technologies which integrate adsorption and biological processes in water and wastewater treatment. The authors provide both an introduction to the topic as well as a detailed discussion of theoretical and practical considerations. After a review of the basics involved in the chemistry, biology and technology of integrated adsorption and biological removal, they discuss the setup of pilot- and full-scale treatment facilities, covering powdered as well as granular activated carbon. They elucidate the factors that influence the successful operation of integrated systems. Their discussion on integrated systems expands from the effects of environmental to the removal of various pollutants, to regeneration of activated carbon, and to the analysis of such systems in mathematical terms. The authors conclude with a look at future needs for research and develoment. A truly valuable resource for environmental engineers, environmental and water chemists, as well as professionals working in water and wastewater treatment.
eBook
Phosphorus - Polluter and Resource of the Future - Removal and Recovery from Wastewater
Phosphorus has always been both a curse and a blessing. On the one hand, it is essential for all life forms and cannot be replaced by anything. On the other hand, wastewater treatment aims to minimize phosphorus concentrations in wastewater in order to minimize its discharge into rivers and lakes, where eutrophication caused by high phosphorus concentrations would lead to excessive plant growth. Phosphorus is extracted from rock phosphate deposits, which are finite and non-renewable. And as the issue of resource conservation is the focus of attention worldwide, phosphorus must be used sustainably. This includes recycling of secondary phosphates, efficient extraction and treatment of raw phosphate as well as its efficient use.
eBook
Photo-Activated Sludge : a novel algal-bacterial biotreatment for nitrogen removal from wastewater
Ammoniumrijk afvalwater wordt veelal geproduceerd door gemeentelijk, industrieel en landbouwafval, en effluent uit anaerobe afvalwaterzuiveringsmethoden. Dit vormt een risico voor het milieu vanwege de hoge concentratie aan voedingsstoffen (stikstof en fosfor), wat eutrofièering in waterpartijen kan bevorderen en daarmee de kwaliteit van ecosystemen kan aantasten. Als innovatieve oplossing hierop is een nieuw biologisch verwerkingsmechanisme genaamd Photo-Activated Sludge (PAS) geèevalueerd, wat gebruik maakt van een consortium van microalgen en bacterièen voor de zuivering van ammoniumrijk afvalwater.
Book
Mathematical Modelling and Computer Simulation of Activated Sludge Systems
This book provides, from the process engineering perspective, a comprehensive and up-to-date overview regarding various aspects of the mechanistic (\"white box\") modelling and simulation of advanced activated sludge systems performing biological nutrient removal. In the new edition of the book, a special focus is given to nitrogen removal and the latest developments in modelling the innovative nitrogen removal processes. Furthermore, a new section on micropollutant removal has been added.The focus of modelling has been shifting in the last years to models that can describe the performance of a whole plant (plantwide modelling). The expanded part of this new edition introduces models describing the most important processes interrelated with the mainstream activated sludge systems as well as models describing the energy balance, operating costs and environmental impact. The complex process evaluation, including minimization of energy consumption and carbon footprint, is in line with the present and future wastewater treatment goals.By combining a general introduction and a textbook, this book serves both intermediate and more experienced model users, both researchers and practitioners, as a comprehensive guide to modelling and simulation studies. The book can be used as a supplemental material at graduate and post-graduate levels of wastewater.
eBook
Biorefinery of Inorganics
Provides complete coverage of the recovery of mineral nutrients from biomass and organic waste
This book presents a comprehensive overview of the potential for mineral recovery from wastes, addressing technological issues as well as economic, ecological, and agronomic full-scale field assessments. It serves as a complete reference work for experts in the field and provides teaching material for future experts specializing in environmental technology sectors.
Biorefinery of Inorganics: Recovering Mineral Nutrients from Biomass and Organic Waste starts by explaining the concept of using anaerobic digestion as a biorefinery for production of an energy carrier in addition to mineral secondary resources. It then discusses the current state of mineral fertilizer use throughout the world, offering readers a complete look at the resource availability and energy intensity. Technical aspects of mineral recovery organic (waste-)streams is discussed next, followed by an examination of the economics of biobased products and their mineral counterparts. The book also covers the environmental impact assessment of the production and use of bio-based fertilizers; modelling and optimization of nutrient recovery from wastes; and more.
* Discusses global production and consumption of mineral fertilizers
* Introduces technologies for the recovery of mineral NPK from organic wastes and residues
* Covers chemical characterization and speciation of refined secondary resources, and shows readers how to assess biobased mineral resources
* Discusses applications of recovered minerals in the inorganic chemistry sector
* Compares the economics of biobased products with current fossil-based counterparts
* Offers an ecological assessment of introducing biobased products in the current fertilizer industry
* Edited by leading experts in the field
Biorefinery of Inorganics: Recovering Mineral Nutrients from Biomass and Organic Waste is an ideal book for scientists, environmental engineers, and end-users in the agro-industry, the waste industry, water and wastewater treatment, and agriculture. It will also be of great benefit to policy makers and regulators working in these fields.
eBook
Biotechnology for Treatment of Residual Wastes Containing Metals
Biotechnology for Treatment of Wastes Containing Metals addresses various aspects related to different wastes that have a metallic content and represent a serious risk for the environment and human health. These wastes, due to their physical and chemical characteristics, have been the object of studies which have led to the development of different technologies in recycling, reuse or adequate disposal, biotechnology being one of these alternatives. Biotechnology offers a range of options for the treatment of types of waste using microorganisms, biomass and their by-products. The mechanisms involved in these waste treatment processes are diverse and complex, and its optimization and efficiency is multifactorial. This text contains nine chapters related to the problem of the metal contamination in the environment as well as some of the different biotechnological alternatives that have been applied for the reduction and/or recovery of metal contamination.
eBook