Verificación de los datos del calado de la distribución de un motor con compacto[ PDF Download

Author: Miguel Ángel Gallego Ruiz
Publisher:
ISBN:
Category :
Languages : es
Pages :

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Author:
Publisher: Editex
ISBN: 8411343960
Category : Education
Languages : es
Pages : 20

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Author: María Gómez García
Publisher:
ISBN:
Category :
Languages : es
Pages : 126

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Author: IWA Task Group for Mathematical Modelling of Anaerobic Digestion Processes
Publisher: IWA Publishing
ISBN: 1900222787
Category : Science
Languages : en
Pages : 61

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Book Description
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: Joseph Tarradellas
Publisher: CRC Press
ISBN: 9781566701341
Category : Science
Languages : en
Pages : 406

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Soils are receptacles for a wide range of hazardous chemicals generated by human activities. Whether or not this contamination is deliberate, accurate toxicity assessments are important for health and economic reasons. Soil Ecotoxicology discusses the sources, fate, and transport of hazardous chemicals in soils. The fate (biodegradation and modeling) and the potential impacts of pesticides on soil ecosystems are emphasized, and methodologies for performing toxicity assessments are provided.

Author: Christopher Blair Crawford
Publisher: Elsevier
ISBN: 0128094060
Category : Science
Languages : en
Pages : 336

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Microplastic Pollutants introduces the reader to the growing problem of microplastic pollution in the aquatic environment and is the first ever book dedicated exclusively to the subject of microplastics. Importantly, this timely full-colour illustrated multidisciplinary book highlights the very recent realization that microplastics may transport toxic chemicals into food chains around the world. Microplastic pollutants is currently an important topic in both industry and academia, as well as among legislative bodies, and research in this area is gaining considerable attention from both the worldwide media and scientific community on a rapidly increasing scale. Ultimately, this book provides an excellent source of reference and information on microplastics for scientists, engineers, students, industry, policy makers and citizens alike.

Author: Andrea Canepari
Publisher: Temple University Press
ISBN: 1439916470
Category : History
Languages : en
Pages : 422

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"The Italian Legacy in Philadelphia examines the impact and influence of Italian arts, culture, people, and ideas on the city of Philadelphia from the founding to the present"--

Author: Roger Bacon
Publisher:
ISBN:
Category : Philosophy
Languages : la
Pages : 608

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Author: Juan M. Lema
Publisher: IWA Publishing
ISBN: 1780407866
Category : Science
Languages : en
Pages : 690

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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: Cristiano V. M. Araújo
Publisher:
ISBN: 9781536106008
Category : Ecological risk assessment
Languages : en
Pages : 0

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Latin America is one of the most diverse but also vulnerable regions in the world that is under continuous anthropogenic pressure due to increasing urban, industrial and agricultural developments. Although there are many research groups studying the impacts caused by those pressures, the results and conclusions obtained by many of them are largely unknown because their studies are mostly published at the local or regional scale. Ecotoxicology in Latin America represents an effort to collect and share research performed in Latin America in the area of ecotoxicology and environmental risk assessment, presenting a collection of relevant and innovative studies focused on the following topics: (i) Contaminant entrance, transportation, distribution and fate; (ii) Environmental risk in freshwater ecosystems; (iii) Ecological risk in coastal zones; (iv) Biomonitoring programs: water, sediment and air; (v) Physiological effects and biomarkers; (vi) Soil ecotoxicology; (vii) Bioaccumulation and human risk; (viii) Toxicity of emerging contaminants; and (ix) Frontiers in Ecotoxicology. This selection of topics aims at covering the most important subjects and applications of ecotoxicology, including classical and novel subjects. Therefore, this book contains chapters related to different environmental compartments prone to contamination (water, sediment, soil and air), to different contamination sources (agriculture, industry, urban discharges and natural emissions), and to multiple biological responses at different organizational levels (individual to ecosystems, including human beings). It is envisioned to have an international projection within and beyond Latin American countries, as it is a great opportunity to increase the networks not only among Latin American research teams working on similar subjects, but also with teams from other regions. The idea of this book was to favour the connection among groups to quickly improve the development of methods and their application in ecotoxicological and environmental risk studies in Latin America. This book will be useful to important sectors of environmental sciences and related areas, and to specific target demographics such as students and researchers acting in environmental studies, and decision-makers (i.e., politicians and environmental organizations). Ecotoxicology in Latin America presents 34 chapters authored by 111 researchers from 12 Latin American countries (Argentina, Brazil, Chile, Colombia, Costa Rica, Cuba, Ecuador, Mexico, Panama, Peru, Uruguay, and Venezuela) and from 6 non-Latin American countries (Austria, Belgium, Italy, Portugal, Spain, and USA).