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Author: Diana Juc
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ISBN:
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Languages : fr
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Ce travail de thèse concerne l'extraction, l'analyse et le traitement de sols pollués par des hydrocarbures pétroliers. Une étude bibliographique a d'abord été effectuée sur les différents aspects de ce travail. Le choix de l'étude de trois sites pollués moldaves (un dépôt de produits pétroliers (essence, gazole, huile), un dépôt d'huiles désaffecté et un aéroport militaire en exploitation) a été fait après recensement des sites existants en Moldavie. Les meilleurs conditions de prélèvement, d'extraction et d'analyse ont été mises au point au laboratoire afin d'avoir des dosages quantitatifs fiables et faciles à mettre en oeuvre. L'extraction a été effectuée par sonication et le dosage par chromatographie en phase gazeuse. Parallèlement deux techniques originales ont été développées pour l'analyse des composés organiques volatils : - Montage d'un appareillage d'analyse par microsublimation à réponse linéaire de haute sensibilité, applicable à l'étude de sols faiblement pollués ; - Evaluation de nouvelles techniques d'utilisation du microchromatographe MTI à l'analyse des composés pétroliers volatils. L'aéroport étant une des plus importantes sources actuelles de pollution par les produits pétroliers en Moldavie, l'estimation méthodologique du risque correspondant a été effectuée et une étude de migration du kérosène a été conduite. Des pilotes de ces sols pollués par essence, gazole et huile ont été montés et leur fonctionnement a été étudié au laboratoire. Ceci nous a conduit à proposer des biotraitements simples, efficaces et peu onéreux
Author: Diana Juc
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
Ce travail de thèse concerne l'extraction, l'analyse et le traitement de sols pollués par des hydrocarbures pétroliers. Une étude bibliographique a d'abord été effectuée sur les différents aspects de ce travail. Le choix de l'étude de trois sites pollués moldaves (un dépôt de produits pétroliers (essence, gazole, huile), un dépôt d'huiles désaffecté et un aéroport militaire en exploitation) a été fait après recensement des sites existants en Moldavie. Les meilleurs conditions de prélèvement, d'extraction et d'analyse ont été mises au point au laboratoire afin d'avoir des dosages quantitatifs fiables et faciles à mettre en oeuvre. L'extraction a été effectuée par sonication et le dosage par chromatographie en phase gazeuse. Parallèlement deux techniques originales ont été développées pour l'analyse des composés organiques volatils : - Montage d'un appareillage d'analyse par microsublimation à réponse linéaire de haute sensibilité, applicable à l'étude de sols faiblement pollués ; - Evaluation de nouvelles techniques d'utilisation du microchromatographe MTI à l'analyse des composés pétroliers volatils. L'aéroport étant une des plus importantes sources actuelles de pollution par les produits pétroliers en Moldavie, l'estimation méthodologique du risque correspondant a été effectuée et une étude de migration du kérosène a été conduite. Des pilotes de ces sols pollués par essence, gazole et huile ont été montés et leur fonctionnement a été étudié au laboratoire. Ceci nous a conduit à proposer des biotraitements simples, efficaces et peu onéreux
Author: Belkacem Madi
Publisher:
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Category :
Languages : fr
Pages :
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La thèse est une contribution à la méthode à suivre pour le traitement des sols pollués par des Hydrocarbures aromatiques polycycliques (HAP). Les aspects abordés sont la manœuvrabilité des sols, l’analyse pour le suivi de la dépollution, l’étude de traitabilité, la conduite des essais en laboratoire et la modélisation mathématique du traitement. Deux techniques de dépollution ont été étudiées : la désorption thermique et l’extraction par solvant.
Author: Linda Strande
Publisher: IWA Publishing
ISBN: 1780404735
Category : Technology & Engineering
Languages : en
Pages : 428
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Book Description
It is estimated that literally billions of residents in urban and peri-urban areas of Africa, Asia, and Latin America are served by onsite sanitation systems (e.g. various types of latrines and septic tanks). Until recently, the management of faecal sludge from these onsite systems has been grossly neglected, partially as a result of them being considered temporary solutions until sewer-based systems could be implemented. However, the perception of onsite or decentralized sanitation technologies for urban areas is gradually changing, and is increasingly being considered as long-term, sustainable options in urban areas, especially in low- and middle-income countries that lack sewer infrastructures. This is the first book dedicated to faecal sludge management. It compiles the current state of knowledge of the rapidly evolving field of faecal sludge management, and presents an integrated approach that includes technology, management, and planning based on Sandecs 20 years of experience in the field. Faecal Sludge Management: Systems Approach for Implementation and Operation addresses the organization of the entire faecal sludge management service chain, from the collection and transport of sludge, and the current state of knowledge of treatment options, to the final end use or disposal of treated sludge. The book also presents important factors to consider when evaluating and upscaling new treatment technology options. The book is designed for undergraduate and graduate students, and engineers and practitioners in the field who have some basic knowledge of environmental and/or wastewater engineering.
Author:
Publisher:
ISBN:
Category : Hazardous waste site remediation
Languages : en
Pages : 176
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309170435
Category : Nature
Languages : en
Pages : 241
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Book Description
Having safe drinking water is important to all Americans. The Environmental Protection Agency's decision in the summer of 2001 to delay implementing a new, more stringent standard for the maximum allowable level for arsenic in drinking water generated a great deal of criticism and controversy. Ultimately at issue were newer data on arsenic beyond those that had been examined in a 1999 National Research Council report. EPA asked the National Research Council for an evaluation of the new data available. The committee's analyses and conclusions are presented in Arsenic in Drinking Water: 2001 Update. New epidemiological studies are critically evaluated, as are new experimental data that provide information on how and at what level arsenic in drinking water can lead to cancer. The report's findings are consistent with those of the 1999 report that found high risks of cancer at the previous federal standard of 50 parts per billion. In fact, the new report concludes that men and women who consume water containing 3 parts per billion of arsenic daily have about a 1 in 1,000 increased risk of developing bladder or lung cancer during their lifetime.
Author: D. Möbius
Publisher: Elsevier
ISBN: 0080542131
Category : Science
Languages : en
Pages : 679
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Book Description
This publication provides comprehensive material on the chemical and physical attributes of surfactants and new models for the understanding of structure-property relationships. Surfactants Chemistry, Interfacial Properties, Applications provides efficient instruments for the prognostication of principal physicochemical properties and the technologic applicability from the structure of a surfactant through the discussion of interrelations between the chemical structure, physicochemical properties and the efficiency of technologic application. Also included are informative overviews on new experimental techniques and abundant reference material on manufacturers, nomenclature, product properties, and experimental examples. The publication is accompanied by a CD-ROM, which is needed for the application of the thermodynamic and kinetic models to experimental data.
Author: Sudarshan Kurwadkar
Publisher: ACS Symposium
ISBN: 9780841230781
Category : Medical
Languages : en
Pages : 0
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Book Description
"Distributed in print by Oxford University Press."
Author: Barbara Sladonja
Publisher: BoD – Books on Demand
ISBN: 953510697X
Category : Science
Languages : en
Pages : 242
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Book Description
Protected areas are at the base of the most national and international conservation strategies. Due to the many unpredictable elements in ecology matters, each protected area requires a case-specific set of guidelines but a common issue is how to cope with human interaction. The management of protected areas is replete with challenges and the only way to gain understanding and achieve greater management possibilities is to exchange experiences and knowledge. Environmental managers are aware of that and together with scientists are looking for more modern and better solutions, both with respect to natural resources and human interactions in many issues regarding nature protection. This publication presents reviews and research results on protected areas management, as well as 12 case studies derived from around the world with the aim of improving management effectiveness of the protected areas.
Author: David M. Robbins
Publisher: IWA Publishing
ISBN: 178040476X
Category : Science
Languages : en
Pages : 148
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Book Description
This is a practical handbook providing a step-by-step approach to the techniques used for characterizing wastewater sources and investigating sites where collection, treatment and reuse/disposal technologies will be installed. It is intended to help enable local implementation of on-site and decentralized wastewater management system (DWMS)for wide scale use in development settings. How to Design Wastewater Systems for Local Conditions in Developing Countries helps local service providers and regulatory officials make informed decisions through the use of tools, checklists and case studies. It includes a link to a web based community of on-site and decentralized wastewater professionals, which contains related tools and case studies. This handbook serves as a reference for training classes, certification programs, and higher education programs in civil and sanitary engineering. There is an increasing interest on the part of local government officials and private sector service providers to implement wastewater treatment systems to solve sanitation problems. The model presented in this handbook promotes activities that first generate data related to source and site conditions that represent critical inputs, and then applies this information to the technology selection process. Matching the most appropriate technologies to the specific needs of the wastewater project is the key that leads to long term sustainability. How to Design Wastewater Systems for Local Conditions in Developing Countries is an invaluable resource for public sector decision makers and private sector service providers in developing countries. It is also a useful text for students at engineering colleges in developing countries interested in taking a class that teaches the methods of decentralized wastewater management system (DWMS) development.
Author: International Energy Agency
Publisher: Organization for Economic Co-Operation & Development
ISBN:
Category : Business & Economics
Languages : en
Pages : 720
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Book Description
This 2010 edition of Energy Technology Perspectives examines the extent to which an energy technology revolution is taking place, the key technologies that are emerging, the costs and benefits of these technologies, and policies needed to foster their use. ETP 2010 presents updated scenarios from the present to 2050 that show which new technologies will be most important in key sectors and in different regions of the world. It highlights the importance of finance to achieve change, examines the implications of the scenarios for energy security and looks at how to accelerate the deployment of low-carbon technologies in major developing countries. It presents roadmaps and transition pathways for spurring deployment of the most important clean technologies and for overcoming existing barriers. With extensive data, projections and analysis, Energy Technology Perspectives 2010 provides decision makers with the detailed information and insights needed to accelerate the switch to a more secure, low-carbon energy future.
