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Armes chimiques --- Produits chimiques --- Décontamination --- Toxicologie
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The four volumes of the book series "Engineering Tools for Environmental Risk Management" deal with environmental management, assessment & monitoring tools, environmental toxicology and risk reduction technologies. This last volume focuses on engineering solutions usually needed for industrial contaminated sites, where nature's self-remediation is inefficient or too slow. The success of remediation depends on the selection of an increasing number of conventional and innovative methods. This volume classifies the remedial technologies and describes the reactor approach to understand and manage in situ technologies similarly to reactor-based technologies. Technology types include physicochemical, biological or ecological solutions, where near-natural, sustainable remediation has priority.A special chapter is devoted to natural attenuation, where natural changes can help achieve clean-up objectives. Natural attenuation and biological and ecological remediation establish a serial range of technologies from monitoring only to fully controlled interventions, using ' just' the natural ecosystem or sophisticated artificial living systems. Passive artificial ecosystems and biodegradation-based remediation - in addition to natural attenuation - demonstrate the use of these 'green' technologies and how engineering intervention should be kept at a minimum to limit damage to the environment and create a harmonious ecosystem.Remediation of sites contaminated with organic substances is analyzed in detail including biological and physicochemical methods.Comprehensive management of pollution by inorganic contaminants from the mining industry, leaching and bioleaching and acid mine drainage is studied in general and specifically in the case of an abandoned mine in Hungary where the innovative technology of combined chemical and phytostabilization has been applied.The series of technologies is completed by electrochemical remediation and nanotechnologies.Monitoring, verification and sustainability analysis of remediation provide a comprehensive overview of the management aspect of environmental risk reduction by remediation.This book series focuses on the state of knowledge about the environment and its conscious and structured application in environmental engineering, management and decision making.
Environmental risk assessment. --- Risk assessment --- Precautionary principle --- Soil remediation. --- Sols --- Décontamination. --- Décontamination.
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Soil remediation --- Sols --- Soil pollution --- Law and legislation --- Décontamination --- Droit --- Pollution
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Nuclear power plants --- Radioactive decontamination --- Centrales nucléaires --- Décontamination radioactive --- Decommissioning. --- Déclassement
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This book makes available, for the first time, a collection of instantly predictive spreadsheet models for the behaviour of soil contaminants. It provides graphic presentations of predictions which show the separate, but connected, physical and chemical changes, as well as numerical data for these changes. The models discussed here are predictive because they discuss these separate but connected physical chemical processes through conventional chemical kinetics, which is supported by experimental stoichiometry. The book will appeal to those who need better technology in dealing with soil contaminants, such as governments and multinational companies, but will also be of interest to chemists, hydrology engineers, and toxicologists engaged in pure and applied environmental science research, as well as educators.
Soil pollution. --- Soil remediation. --- Pollutants. --- Sols --- Polluants. --- Teneur en polluants. --- Pollution. --- Décontamination. --- Décontamination.
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Environmental responsibility --- Soil remediation --- Environmental law --- Soil pollution --- Responsabilité environnementale --- Sols --- Environnement --- Law and legislation --- Décontamination --- Droit --- Pollution
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Les légumes constituent un apport important dans l’alimentation des populations du Cameroun. Cependant, ils ne sont pas disponibles toute l’année. Face à cette difficulté, les bas-fonds bénéficiant d’une fertilité relative et d’une présence régulière en eau, représentent les sites idéals de production en milieu urbain. Ces bas-fonds peuvent faire l’objet des contaminations en polluants de natures diverses. Afin de déterminer le niveau de contamination des sites maraîchers urbains de la ville de Yaoundé en éléments traces métalliques (Pb, Zn, Cd), une étude a été menée durant les mois de mars à juin 2017 dans les bas-fonds d’Ezazou village, d’Étoug-ébé et de Mokolo élobie, jugés plus représentatifs sur la base des volumes en légumes produits et du niveau d’urbanisation aux alentours. L’objectif étant d’évaluer les sources et les risques potentiels de contamination des sols en plomb, cadmium et zinc, les investigations ont porté sur l’appréciation des sources de contaminations et sur l’analyse des éléments traces métalliques dans les sols maraîchers. Les résultats de l’étude ont mis en exergue les sources de contamination d’origine anthropique. Pour le site d’Ézazou, les sources majeures de contamination sont les apports d’amendements organiques, l’utilisation des engrais phosphatés et pesticides chimiques au détriment des bio-pesticides. Pour le site d’Étoug-ébé, il ressort que la principale source de contamination est liée aux apports des déchets ménagers et aux infrastructures urbaines en dégradations tout aux alentours. Les sols du site de Mokolo présentent comme sources majeures, les apports en provenance des déchetteries, des ateliers de récupérations métalliques et de dépannages électrotechniques divers aux alentours du bas-fond. Les analyses de sols à l’acétate d’ammonium-EDTA, ont permis de mettre en évidence une contamination par le cadmium, le zinc et le plomb des sols maraîchers de Mokolo. En effet, ces éléments sont présents à de fortes teneurs sur l’ensemble des échantillons prélevés, supérieures aux teneurs de référence en ETM. Cet état de fait augmente à priori les risques de contamination des cultures maraîchères produites sur ces sols ; ainsi pourrait contaminer la chaine alimentaire. Les soles des bas-fonds maraîchers d’Ézazou village et d’Étoug-ébé présentent des teneurs inférieures à la norme. Néanmoins, ils présentent tout de même des risques de contamination.
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Remediation engineering has evolved and advanced from the stage of being a sub-discipline of environmental engineering into its own engineering discipline supporting the growth of a global industry. This fully-updated second edition will capture the fundamental advancements that have taken place during the last two decades, within the sub-disciplines that form the foundation of the remediation engineering platform. The book will cover the entire spectrum of current technologies that are being employed in this industry, and will also touch on future trends and how practitioners should anticipate and adapt to those needs. Fully revised throughout, and will incorporate updated information from the primary author's books on remediation engineering ; Examines technologies with a focus on combining the multitude of technical disciplines behind each remediation technology ; Describes the most innovative and cutting-edge applications of remediation technologies with real-life case studies ; Provides realistic cost-benefit analyses within the changing regulatory framework ; Covers remediation technologies of the past and present in great detail, and speculates on the future. [Publisher]
Soil remediation. --- Groundwater --- Hazardous waste site remediation. --- Sols --- Eaux souterraines --- Dépôts de déchets dangereux --- Purification. --- Décontamination. --- Épuration. --- Restauration --- Restauration.
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Mécanique des sols --- Soil mechanics. --- Sols --- Soil pollution. --- Déchets --- Waste disposal sites. --- Soil remediation. --- Pollution --- Élimination --- Sites --- Décontamination
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Environmental protection. Environmental technology --- Environmental law --- Belgium --- Brownfields --- Soil remediation --- Sites contaminés --- Sols --- Décontamination --- 401 Administratief recht --- brownfields --- 580 Ruimtelijke ordening --- Sites contaminés --- Décontamination --- Milieurecht --- Milieubescherming. Milieutechnologie --- België
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