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Author :
Publisher :
ISBN 13 :
Total Pages : 250 pages
Book Rating : 4.:/5 (914 download)
Download or read book Análisis microbiológico de un suelo agrícola mediterráneo tras la aplicación de lodos de depuradora urbana written by and published by . This book was released on 2012 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ignacio Nadal Rocamora
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (12 download)
Download or read book Alteraciones fisiológicas, metabólicas y de la composición de las poblaciones bacterianas de la microbiota de un suelo agrícola tras la aplicación de residuos orgánicos urbanos written by Ignacio Nadal Rocamora and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: El suelo es un sistema vivo en el que se desarrollan funciones esenciales para el medio ambiente y para la agricultura, y se considera que tiene salud cuando es capaz de cumplir esas funciones a la vez de preservar sus características químicas, físicas y biológicas. Gran parte de estas funciones son llevadas a cabo por los microorganismos del suelo, los cuales precisan de materia orgánica para su desarrollo y actividad. Se podría decir que la fertilidad del suelo depende de la interacción entre la materia orgánica y la microbiota. Generalmente, los suelos agrícolas del clima mediterráneo son pobres en materia orgánica y, por tanto, su fertilidad es variable. Para solucionar este problema se utilizan, entre otros elementos, enmiendas orgánicas de origen urbano que incrementan la materia orgánica del suelo. Adicionalmente, se reciclan residuos urbanos cuya producción se incrementa año a año: los residuos sólidos urbanos (basuras) y los lodos de depuración de aguas residuales. Sin embargo, esta práctica puede no ser siempre beneficiosa, ya que la salud del suelo podría verse afectada y de ahí la necesidad de ser evaluada. Para ello se tienen en cuenta distintos indicadores, entre los cuales, los microbianos cada vez son más empleados por su rapidez, sensibilidad y capacidad de proporcionar más información incluso sobre cambios leves que suceden en el suelo. Estos indicadores pueden ser fisiológicos (biomasa), de actividad (respiración basal) y de diversidad (metabólicos o taxonómicos). Las investigaciones que estudian los cambios que suceden en la microbiota del suelo tras la aplicación de enmiendas orgánicas reportan una gran variedad de resultados, destacando en ocasiones efectos perjudiciales. Debido a ello, consideramos necesario el estudio de los aspectos relacionados con la microbiota cuando se emplean estas prácticas. A partir de un ensayo previo en el que se evaluó el efecto de distintas cantidades de lodos de depuradora en el mismo tipo de suelo agrícola (Gondim-Porto, 2012), hemos pretendido ampliar ese estudio evaluando los efectos sobre la salud del suelo tras la aplicación de una cantidad elevada de basura compostada y de lodos de depuradora (160 Mg ha-1). De esta manera, consideramos que puede ser interesante describir cómo se afecta la salud del suelo con estas prácticas mediante marcadores microbianos (fisiológicos, de actividad microbiana y de diversidad funcional y taxonómica) medidos de forma trimestral a lo largo de, al menos, 24 meses, de tal manera que nos permitiera sugerir qué tipo de enmienda es más favorable para el suelo desde el punto de vista ambiental, así como indicar posibles marcadores de actividad microbiana o de diversidad bacteriana útiles para la detección de la aplicación de enmiendas al suelo...
Author :
Publisher :
ISBN 13 :
Total Pages : 175 pages
Book Rating : 4.:/5 (914 download)
Download or read book Evolución de los componentes de carbono, nitrógeno y propiedades edáficas de un suelo agrícola mediterráneo tras la aplicación de altas dosis de residuos orgánicos biodegradables written by and published by . This book was released on 2014 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: La producción de residuos orgánicos biodegradables (lodos de depuradora y residuos sólidos urbanos) y su posterior gestión se ha convertido en uno de los temas que mayor atención genera en la política ambiental comunitaria. Según la Comisión Europea, el uso de estos residuos como enmienda agrícola se considera como la solución menos costosa. Sin embargo, la aplicación de estos residuos origina variaciones en los componentes y propiedades edáficas, que provocan unos efectos ambientales que no están reflejados suficientemente en la legislación vigente. Por esta razón, el objetivo de esta tesis es evaluar los efectos de la aplicación de altas dosis de residuos orgánicos biodegradables en las características edáficas de un suelo agrícola en clima mediterráneo, con el fin de establecer unas recomendaciones de uso y gestión para una aplicación ambientalmente más segura. Se ha investigado los efectos sobre la evolución del carbono y nitrógeno del suelo y las propiedades edáficas en un experimento de campo, tras la aplicación de una dosis elevada (160 Mg ha-1 ) de tres tipos de enmiendas orgánicas: compost de residuos sólidos urbanos, lodo procedente de digestión aerobia y lodo procedente de digestión anaerobia...
Author : IWA Task Group for Mathematical Modelling of Anaerobic Digestion Processes
Publisher : IWA Publishing
ISBN 13 : 1900222787
Total Pages : 61 pages
Book Rating : 4.9/5 (2 download)
Download or read book Anaerobic Digestion Model No.1 (ADM1) written by IWA Task Group for Mathematical Modelling of Anaerobic Digestion Processes and published by IWA Publishing. This book was released on 2002-02-01 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: The IWA Task Group for Mathematical Modelling of Anaerobic Digestion Processes was created with the aim to produce a generic model and common platform for dynamic simulations of a variety of anaerobic processes. This book presents the outcome of this undertaking and is the result of four years collaborative work by a number of international experts from various fields of anaerobic process technology. The purpose of this approach is to provide a unified basis for anaerobic digestion modelling. It is hoped this will promote increased application of modelling and simulation as a tool for research, design, operation and optimisation of anaerobic processes worldwide. This model was developed on the basis of the extensive but often disparate work in modelling and simulation of anaerobic digestion systems over the last twenty years. In developing ADM1, the Task Group have tried to establish common nomenclature, units and model structure, consistent with existing anaerobic modelling literature and the popular activated sludge models (See Activated Sludge Models ASM1, ASM2, ASM2d and ASM3, IWA Publishing, 2000, ISBN: 1900222248). As such, it is intended to promote widespread application of simulation from domestic (wastewater and sludge) treatment systems to specialised industrial applications. Outputs from the model include common process variables such gas flow and composition, pH, separate organic acids, and ammonium. The structure has been devised to encourage specific extensions or modifications where required, but still maintain a common platform. During development the model has been successfully tested on a range of systems from full-scale waste sludge digestion to laboratory-scale thermophilic high-rate UASB reactors. The model structure is presented in a readily applicable matrix format for implementation in many available differential equation solvers. It is expected that the model will be available as part of commercial wastewater simulation packages. ADM1 will be a valuable information source for practising engineers working in water treatment (both domestic and industrial) as well as academic researchers and students in Environmental Engineering and Science, Civil and Sanitary Engineering, Biotechnology, and Chemical and Process Engineering departments. Contents Introduction Nomenclature, State Variables and Expressions Biochemical Processes Physicochemical Processes Model Implementation in a Single Stage CSTR Suggested Biochemical Parameter Values, Sensitivity and Estimation Conclusions References Appendix A: Review of Parameters Appendix B: Supplementary Matrix Information Appendix C: Integration with the ASM Appendix D: Estimating Stoichiometric Coefficients for Fermentation Scientific & Technical Report No.13
Author : Metcalf & Eddy, Inc., an AECOM Company
Publisher : McGraw Hill Professional
ISBN 13 : 0071508775
Total Pages : 1610 pages
Book Rating : 4.0/5 (715 download)
Download or read book Water Reuse written by Metcalf & Eddy, Inc., an AECOM Company and published by McGraw Hill Professional. This book was released on 2007-02-05 with total page 1610 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Integrated Approach to Managing the World's Water Resources Water Reuse: Issues, Technologies, and Applications equips water/wastewater students, engineers, scientists, and professionals with a definitive account of the latest water reclamation, recycling, and reuse theory and practice. This landmark textbook presents an integrated approach to all aspects of water reuse _ from public health protection to water quality criteria and regulations to advanced technology to implementation issues. Filled with over 500 detailed illustrations and photographs, Water Reuse: Issues, Technology, and Applications features: In-depth coverage of cutting-edge water reclamation and reuse applications Current issues and developments in public health and environmental protection criteria, regulations, and risk management Review of current advanced treatment technologies, new developments, and practices Special emphasis on process reliability and multiple barrier concepts approach Consideration of satellite and decentralized water reuse facilities Consideration of planning and public participation of water reuse Inside This Landmark Water/Wastewater Management Tool • Water Reuse: An Introduction • Health and Environmental Concerns in Water Reuse • Technologies and Systems for Water Reclamation and Reuse • Water Reuse Applications • Implementing Water Reuse
Author : Mogens Henze
Publisher : IWA Publishing (International Water Assoc)
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (4 download)
Download or read book Biological Wastewater Treatment written by Mogens Henze and published by IWA Publishing (International Water Assoc). This book was released on 1881 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: For information on the online course in Biological Wastewater Treatment from UNESCO-IHE, visit: http://www.iwapublishing.co.uk/books/biological-wastewater-treatment-online-course-principles-modeling-and-design Over the past twenty years, the knowledge and understanding of wastewater treatment have advanced extensively and moved away from empirically-based approaches to a first principles approach embracing chemistry, microbiology, physical and bioprocess engineering, and mathematics. Many of these advances have matured to the degree that they have been codified into mathematical models for simulation with computers. For a new generation of young scientists and engineers entering the wastewater treatment profession, the quantity, complexity and diversity of these new developments can be overwhelming, particularly in developing countries where access is not readily available to advanced level tertiary education courses in wastewater treatment. Biological Wastewater Treatment addresses this deficiency. It assembles and integrates the postgraduate course material of a dozen or so professors from research groups around the world that have made significant contributions to the advances in wastewater treatment. The book forms part of an internet-based curriculum in biological wastewater treatment which also includes: Summarized lecture handouts of the topics covered in book Filmed lectures by the author professors Tutorial exercises for students self-learning Upon completion of this curriculum the modern approach of modelling and simulation to wastewater treatment plant design and operation, be it activated sludge, biological nitrogen and phosphorus removal, secondary settling tanks or biofilm systems, can be embraced with deeper insight, advanced knowledge and greater confidence.
Author : Juan M. Lema
Publisher : IWA Publishing
ISBN 13 : 1780407866
Total Pages : 690 pages
Book Rating : 4.7/5 (84 download)
Download or read book Innovative Wastewater Treatment & Resource Recovery Technologies: Impacts on Energy, Economy and Environment written by Juan M. Lema and published by IWA Publishing. This book was released on 2017-06-15 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the 3R concept applied to wastewater treatment and resource recovery under a double perspective. Firstly, it deals with innovative technologies leading to: Reducing energy requirements, space and impacts; Reusing water and sludge of sufficient quality; and Recovering resources such as energy, nutrients, metals and chemicals, including biopolymers. Besides targeting effective C,N&P removal, other issues such as organic micropollutants, gases and odours emissions are considered. Most of the technologies analysed have been tested at pilot- or at full-scale. Tools and methods for their Economic, Environmental, Legal and Social impact assessment are described. The 3R concept is also applied to Innovative Processes design, considering different levels of innovation: Retrofitting, where novel units are included in more conventional processes; Re-Thinking, which implies a substantial flowsheet modification; and Re-Imagining, with completely new conceptions. Tools are presented for Modelling, Optimising and Selecting the most suitable plant layout for each particular scenario from a holistic technical, economic and environmental point of view.
Author : Mark V. Hughes
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (327 download)
Download or read book Water Reuse and Recycling written by Mark V. Hughes and published by . This book was released on 1979 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E.G. Gregorich
Publisher : Elsevier
ISBN 13 : 0080541402
Total Pages : 465 pages
Book Rating : 4.0/5 (85 download)
Download or read book Soil Quality for Crop Production and Ecosystem Health written by E.G. Gregorich and published by Elsevier. This book was released on 1997-11-10 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil is a complex body that exists as many types, each with diverse properties that may vary widely across time and space as a function of many factors. This complexity makes the evaluation of soil quality much more challenging than that of water or air quality. Evaluation of soil quality now considers environmental implications as well as economic productivity, seeking to be more holistic in its approach.Thus, soil quality research draws from a wide range of disciplines, blending the approaches of biologists, physicists, chemists, ecologists, economists and agronomists, among others.This book presents a broad perspective of soil quality that includes these various perspectives and gives a strong theoretical basis for the assessment of soil quality.A short glossary provides definitions for terms used throughout the book.
Author : Nuria Bosch
Publisher : Edward Elgar Publishing
ISBN 13 : 1848442718
Total Pages : 279 pages
Book Rating : 4.8/5 (484 download)
Download or read book Fiscal Federalism and Political Decentralization written by Nuria Bosch and published by Edward Elgar Publishing. This book was released on 2008-01-01 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: This highly original book analyzes political decentralization and fiscal federalism in Canada and Germany, both traditional federal countries, and in Spain, a unitarian country engaged in the last two decades in a process of decentralization. The three key issues required for a well designed financing system are analyzed in depth herein, namely: tax assignment, equalization grants (i.e. redistribution of money from the wealthy regions or the national government to poorer regions) and the role of regional government in the administration of taxes. Fiscal Federalism and Political Decentralization will be of particular interest to academics and researchers of economics, public economics, public finance and public choice. It will also appeal to politicians and policy makers as well as organizations and agencies related to the economy and fiscal federalism.
Author : Nigel Horan
Publisher : Springer
ISBN 13 : 9811081298
Total Pages : 187 pages
Book Rating : 4.8/5 (11 download)
Download or read book Anaerobic Digestion Processes written by Nigel Horan and published by Springer. This book was released on 2018-04-18 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new application processes in the context of anaerobic digestion (AD), such as phosphorus recovery, microbial fuel cells (MFCs), and seaweed digestion. In addition, it introduces a new technique for the modeling and optimization of AD processes. Chapters 1 and 2 review AD as a technique for converting a range of organic wastes into biogas, while Chapter 3 discusses the recovery of phosphorus from anaerobically digested liquor. Chapters 4 and 5 focus on new techniques for modeling and optimizing AD. Chapters 6 and 7 then describe the state of the art in AD effluent treatment. The book’s final three chapters focus on more recent developments, including microbial fuel cells (MFCs) (Chapter 8), seaweed production (Chapter 9), and enzyme technologies (Chapter 10).
Author : Harold Ernest Dregne
Publisher :
ISBN 13 : 9780444408822
Total Pages : 0 pages
Book Rating : 4.4/5 (88 download)
Download or read book Soils of Arid Regions written by Harold Ernest Dregne and published by . This book was released on 1976 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Soumya Mukherjee
Publisher : Springer Nature
ISBN 13 : 3030849856
Total Pages : 499 pages
Book Rating : 4.0/5 (38 download)
Download or read book Rhizobiology: Molecular Physiology of Plant Roots written by Soumya Mukherjee and published by Springer Nature. This book was released on 2021-12-07 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the recent advancements in the role of various biomolecules in regulating root growth and development. Rhizobiology is a dynamic sub discipline of plant science which collates investigations from various aspects like physiology, biochemistry, genetic analysis and plant–microbe interactions. The physiology and molecular mechanisms of root development have undergone significant advancements in the last couple of decades. Apart from the already known conventional phytohormones (IAA, GA, cytokinin, ethylene and ABA), certain novel biomolecules have been considered as potential growth regulators or hormones regulating plant growth and development. Root phenotyping and plasticity analysis with respect to the specific functional mutants of each biomolecule shall provide substantial information on the molecular pathways of root signaling. Special emphasis provides insights on the tolerance and modulatory mechanisms of root physiology in response to light burst, ROS generation, agravitrophic response, abiotic stress and biotic interactions. Root Apex Cognition: From Neuronal Molecules to Root-Fungal Networks and Suberin in Monocotyledonous Crop Plants: Structure and Function in Response to Abiotic Stresses” are available open access under a Creative Commons Attribution 4.0 International License via link.springer.com. Chapters “Root Apex Cognition: From Neuronal Molecules to Root-Fungal Networks and Suberin in Monocotyledonous Crop Plants: Structure and Function in Response to Abiotic Stresses” are available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.
Author : H.-R. Bork
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.:/5 (318 download)
Download or read book Erosion, Transport and Deposition Processes written by H.-R. Bork and published by . This book was released on 1991 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Symposium dedicated to Heinrich Rohdenburg was held in August and September 1989 at Königslutter, FRG. The papers contained in this volume are a selection of those presented at the symposium. Reflecting the wide range of geomorphological, hydrological, pedological, and geoecological research fields of Heiner Rohdenburg the papers of this Catena Supplement vary from general diagnoses and considerations concerning the evolution of landscapes, process studies in the laboratory and in the field to process-orientated models. Honouring the extraordinary, ecosystem-oriented work of Heiner Rohdenburg, the papers present the state of the art, indicating many directions for future research.
Author : R. Lal
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.3/5 (91 download)
Download or read book Soil Management for Sustainability written by R. Lal and published by . This book was released on 1991 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book manuscripts presented originally at a World Association of Soil and Water Conservation conference held in 1989 are collected. Topics include basic processes (e.g. soil structure, soil erosion, soil compaction); management options (e.g. conservation tillage); policy issues and priorities
Author : Antoni Hoffman
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.:/5 (318 download)
Download or read book Problematic Fossil Taxa written by Antoni Hoffman and published by . This book was released on 1986 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Problematic fossils--those groups of organisms that do not fit conveniently into any existing phylum--play a pivotal role in the reconstruction of the history of life, being in effect "early experiments." This lavishly illustrated volume provides careful analyses and descriptions--in anatomical, functional, and developmental terms--of most of the major problematic fossil taxa. Sixteen original papers, written by internationally recognized scholars, discuss the features that make these taxa problematic and that provide clues to their phylogenetic relationships. Since Precambrian groups have been well covered in the existing literature, Hoffman and Nitecki focus on Paleozoic, and especially Early Paleozoic organisms, although Precambrian biota are also discussed.
Author : Mike Robinson
Publisher :
ISBN 13 : 9783319131849
Total Pages : pages
Book Rating : 4.1/5 (318 download)
Download or read book Encounters with Popular Pasts written by Mike Robinson and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is based on the recognition that heritage is popular and popular culture is now readily transformed into heritage, whose meanings and myths reshape social life and political and economic realities, as well as re-make "tradition". The papers in this volume consider: What does popular heritage look like? To whom does it speak? Is it active in dissolving class and cultural boundaries or just in reproducing new ones? How do societies manage a heritage that is fluid, immediate and that straddles extremes of serious conflict and hedonistic frivolity? When and under what circumstances is the creation and expression of new cultural forms - popular culture - capable of being transformed into heritage?
