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Author :
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (428 download)
Download or read book Directives pour la valorisation des déchets de chantier minéraux written by and published by . This book was released on 2006 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michel Rubaud
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (618 download)
Download or read book Recyclage et valorisation des dechets des materiaux mineraux utilises dans la construction written by Michel Rubaud and published by . This book was released on 1994 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Francois de Larrard
Publisher : CRC Press
ISBN 13 : 1351052802
Total Pages : 816 pages
Book Rating : 4.3/5 (51 download)
Download or read book Concrete Recycling written by Francois de Larrard and published by CRC Press. This book was released on 2019-03-04 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concrete industry consumes thirty billion tons of aggregate annually, almost all from non-renewable natural sources. Demolition produces a growing amount of materials which are legally usable and readily available. If not used locally they must be transported and landfilled. Also, demolition generally takes place close to new construction sites: recycling promotes shorter transportation distances, a must for improving the overall environmental footprint of the construction world. This book encompasses all aspects of this current trend: How recycled aggregates are obtained and their properties. Improving their quality through phase selection or separation. Incorporating concrete from demolition into the cement production process and the properties of the product obtained. What are the properties of concrete incorporating recycled concrete aggregates at various replacement levels, throughout the lifecycle of the material, from the fresh state to the long-term, including durability and fire. How recycled concrete can be optimised for various uses. How this new structural material can be managed in reinforced concrete construction. Solid experience from a series of experimental sites, and drawing on the Recybéton project, which lasted more than 5 years and gathered about 50 partners (from both academia and industry). Specific issues in recycled concrete quality control. National practices in the most advanced countries, and the main national and European standards. Achieving a sustainable process.
Author : PASCAL.. MULLER
Publisher :
ISBN 13 :
Total Pages : 213 pages
Book Rating : 4.:/5 (49 download)
Download or read book GESTION DES DECHETS MINERAUX INDUSTRIELS written by PASCAL.. MULLER and published by . This book was released on 1997 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA GESTION ACTUELLE DES EFFLUENTS LIQUIDES CONTENANT DES METAUX LOURDS PASSE PAR DES TRAITEMENTS QUI CONDUISENT A L'OBTENTION DE BOUES D'HYDROXYDES METALLIQUES DONT LA MISE EN DECHARGE POSE UN PROBLEME DE COUT ET DE CAPACITE D'ACCUEIL DES SITES DE STOCKAGE. LA RECHERCHE DE NOUVELLES VOIES DE TRAITEMENT DE CES DECHETS MINERAUX, PRINCIPALEMENT CEUX CHARGES EN FER ET EN ZINC, DOIT PERMETTRE, PAR DES OPERATIONS D'INERTAGE CHIMIQUE ET DE VALORISATION MATIERE, DE LIMITER VOIR D'EVITER LA MISE EN DECHARGE. LEUR PRINCIPE REPOSE SUR UNE SELECTIVITE DE LA REACTIVITE CHIMIQUE DES ESPECES METALLIQUES PRESENTES. LA PREMIERE VOIE ENVISAGEE CORRESPOND A UNE RECHERCHE DE STABILISATION CHIMIQUE SOUS FORME DE SULFURE INSOLUBLE DES FORMES MINERALOGIQUES DU ZINC PRESENTS DANS LES BOUES D'HYDROXYDES METALLIQUES EN METTANT A PROFIT LA REACTIVITE DE SOLUTIONS DE POLYSULFURES. LE PROCEDE APPLIQUE A DES BOUES SYNTHETIQUES PUIS INDUSTRIELLES DEMONTRE QUE LE DECHET PEUT ETRE INERTE A TEMPERATURE AMBIANTE ET POUR DES TEMPS DE TRAITEMENT COMPATIBLES AVEC LES IMPERATIFS INDUSTRIELS. UN SECOND PROCEDE PERMET LA DETOXICATION DU DECHET PAR EXTRACTION DES ELEMENTS POLLUANTS ET LE RECYCLAGE DES PRODUITS OBTENUS EN VU D'UNE VALORISATION MATIERE. L'UTILISATION DE LIGANDS MINERAUX COMME LES THIOSULFATES ET DE LIGANDS ORGANIQUES DE LA FAMILLE DES POLYETHYLENE-POLYAMINES PERMET L'OBTENTION DE REACTIFS LIXIVIANTS CONJUGUANT EFFET DE PH ET DE COMPLEXATION. LA SOLUBILITE IMPORTANTE DES FORMES ZNO ET ZN(OH)#2 DANS CES MILIEUX PERMET D'ENVISAGER UN TRAITEMENT SIMILAIRE SUR LES BOUES D'HYDROXYDES. UNE ETUDE CINETIQUE DE LA LIXIVIATION MONTRE QU'IL EST POSSIBLE D'EXTRAIRE DANS DES CONDITIONS ECONOMIQUES ET TECHNOLOGIQUES ACCEPTABLES LA QUASI-TOTALITE DU ZINC PRESENT DANS LE SOLIDE SANS ENTRAINEMENT DE FER. LA DERNIERE VOIE ETUDIEE PROPOSE DE MENER DES OPERATIONS DE PRECIPITATION SELECTIVE DES CATIONS METALLIQUES PRESENTS DANS L'EFFLUENT, EN AMONT DES TRAITEMENTS PHYSICO-CHIMIQUES CLASSIQUES. LES PROPRIETES OXYDOREDUCTRICES ET SULFURANTES DES POLYSULFURES PERMETTENT DE PRECIPITER, DANS DES SOLUTIONS MIXTES DE FER-ZINC-NICKEL, LE SULFURE DE ZINC OU DE NICKEL SANS ENTRAINER LA PRECIPITATION DU FER. CE TYPE DE PROTOCOLE APPLIQUE A DES EFFLUENTS INDUSTRIELS CONDUIT A LA RECUPERATION DES SULFURES DES METAUX LOURDS AVANT LA PRECIPITATION DES HYDROXYDES DE FER. LES RESIDUS SULFURES AINSI QUE LES HYDROXYDES DE FER POURRAIENT ETRE REORIENTES VERS DES FILIERES DE VALORISATION OU DE RECYCLAGE.
Author : Suisse. Office fédéral de l'environnement, des forêts et du paysage
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (718 download)
Download or read book Directive pour la valorisation, le traitement et le stockage des matériaux d'excavation et déblais (Directive sur les matériaux d'excavation) written by Suisse. Office fédéral de l'environnement, des forêts et du paysage and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pascal Muller
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (1 download)
Download or read book Gestion des déchets minéraux industriels written by Pascal Muller and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: La gestion actuelle des effluents liquides contenant des métaux lourds passe par des traitements qui conduisent à l'obtention de boues d'hydroxydes métalliques dont la mise en décharge pose un problème de cout et de capacité d'accueil des sites de stockage. La recherche de nouvelles voies de traitement de ces déchets minéraux, principalement ceux charges en fer et en zinc, doit permettre, par des opérations d'inertage chimique et de valorisation matière, de limiter voir d'éviter la mise en décharge. Leur principe repose sur une sélectivité de la réactivité chimique des espèces métalliques présentes. La première voie envisagée correspond à une recherche de stabilisation chimique sous forme de sulfure insoluble des formes minéralogiques du zinc présents dans les boues d'hydroxydes métalliques en mettant à profit la réactivité de solutions de polysulfures. Le procédé appliqué à des boues synthétiques puis industrielles démontre que le déchet peut être inerte à température ambiante et pour des temps de traitement compatibles avec les impératifs industriels. Un second procédé permet la détoxication du déchet par extraction des éléments polluants et le recyclage des produits obtenus en vue d'une valorisation matière. L'utilisation de ligands minéraux comme les thiosulfates et de ligands organiques de la famille des polyéthylène-polyamines permet l'obtention de réactifs lixiviants conjuguant effet de pH et de complexation. La solubilité importante des formes ZnO et Zn(OH)2 dans ces milieux permet d'envisager un traitement similaire sur les boues d'hydroxydes. Une étude cinétique de la lixiviation montre qu'il est possible d'extraire dans des conditions économiques et technologiques acceptables la quasi-totalité du zinc présent dans le solide sans entrainement de fer. La dernière voie étudiée propose de mener des opérations de précipitation sélective des cations métalliques présents dans l'effluent, en amont des traitements physico-chimiques classiques. Les propriétés oxydoréductrices et sulfurantes des polysulfures permettent de précipiter, dans des solutions mixtes de fer-zinc-nickel, le sulfure de zinc ou de nickel sans entrainer la précipitation du fer. Ce type de protocole appliqué à des effluents industriels conduit à la récupération des sulfures des métaux lourds avant la précipitation des hydroxydes de fer. Les résidus sulfures ainsi que les hydroxydes de fer pourraient être réorientés vers des filières de valorisation ou de recyclage.
Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (846 download)
Download or read book Déchets et sites contaminés written by and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (636 download)
Download or read book Guide pour l'élimination et la valorisation des déchets industriels written by and published by . This book was released on 1984 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9783905234121
Total Pages : 95 pages
Book Rating : 4.2/5 (341 download)
Download or read book Recyclage written by and published by . This book was released on 1992 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ministère de l'environnement. Direction de la prévention des pollutions
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (853 download)
Download or read book Guide pour l'élimination et la valorisation des déchets industriels written by Ministère de l'environnement. Direction de la prévention des pollutions and published by . This book was released on 1982 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pascale Maes
Publisher : AFNOR
ISBN 13 : 9782124750931
Total Pages : 118 pages
Book Rating : 4.7/5 (59 download)
Download or read book Gestion des déchets de chantier written by Pascale Maes and published by AFNOR. This book was released on 2004 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le secteur du bâtiment et des travaux publics produit chaque année des milliers de tonnes de déchets et les professionnels du BTP doivent donc engager une réflexion dès la phase de préparation des travaux, sachant que seuls les déchets ultimes, c'est-à-dire ceux qui ne sont pas susceptibles d'être traités dans les conditions techniques et économiques du moment, pourront être à terme mis en décharge. Organiser les chantiers autrement, modifier les pratiques et responsabiliser les différents corps d'état, tels sont les buts de cet ouvrage, en permettant à chacun des acteurs de la filière BTP de - mieux connaître les différents types de déchets et les réglementations qui y sont liées ; rechercher les filières de valorisation en fonction des catégories de déchets ; participer activement aux plans départementaux de gestion des déchets de chantier du bâtiment et des travaux publics ; intégrer la gestion des déchets dans (organisation du chantier et tes documents contractuels ; réaliser concrètement le tri des déchets sur le chantier ; assurer un chantier " vert ". Les entreprises du BTP pourront ainsi valoriser leur image, grâce à une gestion des déchets respectueuse de (environnement, et recueillir les bénéfices liés à une organisation rationnelle de cette gestion.
Author : Linda Strande
Publisher : IWA Publishing
ISBN 13 : 1780404735
Total Pages : 428 pages
Book Rating : 4.7/5 (84 download)
Download or read book Faecal Sludge Management written by Linda Strande and published by IWA Publishing. This book was released on 2014-08-15 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Leslie Rainer
Publisher : Getty Publications
ISBN 13 : 1606060430
Total Pages : 438 pages
Book Rating : 4.6/5 (6 download)
Download or read book Terra 2008 written by Leslie Rainer and published by Getty Publications. This book was released on 2011-06-14 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.
Author : R. M. Harrison
Publisher : Royal Society of Chemistry
ISBN 13 : 1788012410
Total Pages : 208 pages
Book Rating : 4.7/5 (88 download)
Download or read book Plastics and the Environment written by R. M. Harrison and published by Royal Society of Chemistry. This book was released on 2018-11-20 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the role of plastics in society and examines the environmental impact of different types of plastics.
Author : W. Petruk
Publisher : Elsevier
ISBN 13 : 0080527337
Total Pages : 287 pages
Book Rating : 4.0/5 (85 download)
Download or read book Applied Mineralogy in the Mining Industry written by W. Petruk and published by Elsevier. This book was released on 2000-11-29 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Techniques of performing applied mineralogy investigations, and applications and capabilities of recently developed instruments for measuring mineral properties are explored in this book intended for practicing applied mineralogists, students in mineralogy and metallurgy, and mineral processing engineers. The benefits of applied mineralogy are presented by using in-depth applied mineralogy studies on base metal ores, gold ores, porphyry copper ores, iron ores and industrial minerals as examples. The chapter on base metal ores includes a discussion on the effects of liberation, particle sizes and surfaces coatings of Pb, Cu, Fe, Ca and So4- on the recoveries of sphalerite, galena and chalcopyrite. The chapter on gold discusses various methods of determining the quantities of gold in different minerals, including 'invisible' gold in pyrite and arsenopyrite, so that a balance of the distribution of gold among the minerals can be calculated. This book also discusses the roles of pyrite, oxygen, moisture and bacterial (thiobacillus ferrooxidans) on reactions that produce acidic drainage from tailings piles, and summarizes currently used and proposed methods of remediation of acidic drainage.
Author : David M. Robbins
Publisher : IWA Publishing
ISBN 13 : 178040476X
Total Pages : 148 pages
Book Rating : 4.7/5 (84 download)
Download or read book How to Design Wastewater Systems for Local Conditions in Developing Countries written by David M. Robbins and published by IWA Publishing. This book was released on 2014-03-15 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Canada. Environment Canada
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (31 download)
Download or read book Environmental Code of Practice for Metal Mines written by Canada. Environment Canada and published by . This book was released on 2009 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes operational activities and associated environmental concerns of this industrial sector. The document applies to the complete life cycle of mining, from exploration to mine closure, and environmental management practices are recommended to mitigate the identified environmental concerns. The recommended practices in the Code include the development and implementation of environmental management tools, the management of wastewater and mining wastes, and the prevention and control of environmental releases to air, water and land. The Code of Practice will be adopted by Environment Canada and others as a guidance document that recommends environmental protection practices for the mine life cycle. The Code applies specifically to metal mines but will provide useful guidance for all sectors of the mining industry.
