Quatrième phase d'épuration des eaux PDF Download

Author: Association Romande pour la Protection des Eaux et de l'Air
Publisher:
ISBN:
Category :
Languages : fr
Pages :

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Author: C. Visvanathan
Publisher: CRC Press
ISBN: 1000098915
Category : Technology & Engineering
Languages : en
Pages : 292

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A comprehensive and up-to-date account of filtration in solid-liquid separation processes, with a sharp focus on the influence of pro-cess variables on performance and specific applications is pre-sented in this volume. With contribu-tions from researchers with significant industrial experi-ence, as well as by senior academics, this publication fea-tures a deep bed filtration overview with informa-tion on mathematical modeling and application in wastewater treat-ment. Pre-treatment filtration techniques such as cartridge filters, pre-coat filters and micro screening are included. Membrane filtration processes to remove dis-solved and suspended solids for the recovery of valuable ma-terials and the provision of high quality water are covered. Sludge de-watering methods such as centrifuga-tion, and vacuum and pressure filtration are described. Application status data, tables, figures and diagrams are also included. This volume is of special interest to practicing engineers and technolo-gists dealing with treatment problems requiring filtration solu-tions and to graduate students in environmental engineering.

Author: Journées D'Information Et De Discussions Sur Le Développement Industriel De L'Algérie. 1970. Paris
Publisher:
ISBN:
Category : Metallurgy
Languages : en
Pages : 476

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Author: Alexandros Stefanakis
Publisher: Springer Nature
ISBN: 303103600X
Category : Science
Languages : en
Pages : 401

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This edited book presents the first collection of case studies and research projects on the sustainable technology of constructed wetlands for wastewater management under hot and arid climates. It is the first such work that summarizes in a single reference the current international experiences and knowledge on the implementation of this nature-based solution under these diverse and often harsh climatic conditions. It covers the relevant gap in the fragmented and limited literature by providing integrated information and documentation on the feasibility of this green technology. The book presents the treatment efficiency of constructed wetland facilities and the research output from 29 different countries across South America, Africa, Asia and Oceania, while it covers various applications such as domestic and municipal wastewater, various industrial effluents and municipal sludge. Many examples and case studies further demonstrate the potential of this technology to contribute to better address the issues of water scarcity and limited fresh water resources through circular management of treated effluents e.g. reuse in irrigation. It also discusses the various challenges and technical aspects that should be considered in such climates, along with the environmental, financial and social benefits of this technology. This work is a useful handbook and guide for professional engineers, practitioners, academics, researchers, students, and water authorities who wish to get a better understanding and first-hand information on the potential of constructed wetlands for cost-effective and sustainable wastewater management in countries with hot and arid climates.

Author: Sam Stuart
Publisher: Elsevier
ISBN: 1483137597
Category : Technology & Engineering
Languages : en
Pages : 712

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Non-Waste Technology and Production covers the proceedings of an international seminar organized by the Senior Advisers to ECE Governments on Environmental Problems on the Principles and Creation of Non-Waste Technology and Production, held in Paris on November 29 – December 4, 1976. The book focuses on the dynamics, applications, processes, and methodologies involved in non-waste technology, including recycling and measures adopted by countries on non-waste development. The selection first offers information on the concepts and principles of non-waste technology, as well as the social aspects of the problems of non-waste technology; and systems analysis as a basis for the creation of non-waste technology. The text also provides an introduction to recycling in CTS as a means of reducing waste and methods of processing waste into secondary material resources. The book then takes a look at concepts and principles of non-waste technology and the adoption of eco-activity as an approach to non-waste technology. The text surveys the application of non-waste development in different countries, such as Austria, Belgium, Federal Republic of Germany, Poland, the United States, Yugoslavia, and Sweden. The manuscript also underscores the applications of non-waste technology in the industrial settings and the methods of conserving raw material and energy and protecting the environment in chemical and electro-chemical plating plants. The book is a vital reference for readers and environmentalists interested in non-waste technology.

Author:
Publisher:
ISBN:
Category : Sewage
Languages : en
Pages : 1540

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Author: Association de recherche sur les techniques d'exploitation du pétrole
Publisher: Editions TECHNIP
ISBN: 2710804336
Category : Enhanced Oil Recovery
Languages : en
Pages : 644

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Author: A. Bjørseth
Publisher: Springer Science & Business Media
ISBN: 9400946600
Category : Science
Languages : en
Pages : 523

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The "Fourth European Symposium on Organic Micropollutants in the Aquatic Environment" was held in Vienna (Austria) from 22 to 24 October 1985. The Symposium was organized wi thin the framework of the Concerted Action COST 641* which is included in the Third R&D Programme on the Environment of the Commission of the European Communities. The aim of the Symposium was to review recent scientific and technical progress in the area of organic micropollutants in the aquatic environment and to present relevant research papers related to analytical methodologies, transformation reactions and transport of organic micropollutants in water, and water treatment processes. A special session was devoted to theoretical aspects and future acti vi ties. Furthermore, special poster sessions were organized where original contributions were presented. This book presents the Proceedings of the Symposium including all review papers, presentations of research papers and extended versions of all posters. We believe that these Proceedings provide a good overview of the activities in this field in Europe. We are confident that it will constitute a valuable contribution to the understanding and solution of the problems posed by organic micropollutants in the aquatic environment. The Commission of the European Communi ties whishes to express its grati tude to the co-organizers of the Symposium, Bundesministerium fUr Gesundheit und Umweltschutz, Wien, and Der Osterreichische Wasserwirtschaftsverband.

Author: AMIARD Jean-Claude
Publisher: Lavoisier
ISBN: 2743064951
Category :
Languages : en
Pages : 664

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L’utilisation et la gestion de l’énergie nucléaire sont des sujets sensibles. Chaque accident nucléaire majeur qui se produit soulève de nombreuses et nouvelles interrogations sur les risques radioactifs pour l’environnement et la biodiversité, et l’impact des radionucléides sur les êtres vivants et la santé. S’inscrivant au cœur du débat public, Le risque radioactif propose une synthèse complète des connaissances actuelles sur les principaux polluants radioactifs de l’environnement (uranium, transuraniens, isotopes radioactifs du césium, du strontium, de l’iode, du tritium, du carbone et de divers métaux de transition…), leur comportement et leur devenir dans les divers compartiments physiques des milieux et au sein des organismes vivants, dont l’homme. Il présente de façon claire et raisonnée : - les fondements de la physique et de la chimie nucléaires ainsi que leurs applications dans différents domaines (militaire, énergie, médecine, industrie…). Il aborde également les notions à connaître d’écologie et de génétique, et rappelle les origines anthropiques des radionucléides dans l’environnement ; - les grands principes de la radioécologie, discipline consacrée à l’étude des radionucléides, le comportement de ces derniers dans l’environnement (atmosphère, hydrosphère et lithosphère), leur mode de contamination et leur effet néfaste sur les organismes non humains ; - les principaux risques radioactifs pour l’homme (exposition, imprégnation), les mécanismes de contamination et leurs conséquences sur la santé (effets des irradiations) ; - les principaux inconvénients de l’utilisation de l’énergie nucléaire que sont les déchets radioactifs et leur gestion, et les accidents nucléaires et leur impact. Véritable ouvrage de référence multidisciplinaire, Le risque radioactif s’adresse aux ingénieurs, techniciens et industriels concernés par l’évaluation, la prévention et la gestion des risques radioactifs, aux responsables « environnement » des entreprises et collectivités ainsi qu’aux autorités de sûreté nucléaire. Il sera également utile aux enseignants et étudiants de troisième cycle ainsi qu’à toute personne souhaitant mieux comprendre le risque radioactif.

Author: International Association on Water Pollution Research and Control. Conference
Publisher: Elsevier Science & Technology
ISBN:
Category : Nature
Languages : en
Pages : 532

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Using support media to assist in the growth of purifying micro-organisms is a technique which has attracted renewed interest in recent years. The advantages of biofilm reactors - smaller than traditional reactors, often not requiring settlers, etc - have motivated research into the fundamentals of biofilms and vigorous development programmes for reactors, leading to the successful introduction of large-scale plant. In this volume forty-two papers from over a dozen countries offer authoritative accounts by international experts of the latest research results plus detailed descriptions of full-scale case studies. This book will be of value to scientists, development and design engineers and plant managers who need thorough and unbiased knowledge of one of the most modern and effective techniques of biological water treatment.