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Author:
Publisher: Ed. Techniques Ingénieur
ISBN:
Category :
Languages : fr
Pages : 11
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Book Description
Author:
Publisher: Ed. Techniques Ingénieur
ISBN:
Category :
Languages : fr
Pages : 11
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Book Description
Author: Albert Subrenat
Publisher:
ISBN:
Category :
Languages : fr
Pages : 250
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Book Description
CE TRAVAIL A POUR OBJET L'ETUDE DE PROCEDES DE TRAITEMENT D'AIR CHARGE EN COMPOSES ORGANIQUES VOLATILS PAR ADSORPTION-DESORPTION SUR DES MATERIAUX RECENTS, LES TISSUS DE CARBONE ACTIVE. UNE CARACTERISATION PHYSIQUE DES TISSUS DE CARBONE ACTIVE MONTRE QUE CE SONT DES MATERIAUX ESSENTIELLEMENT MICROPOREUX DONT LES SURFACES SPECIFIQUES SONT ELEVEES. LE COMPORTEMENT ELECTRIQUE DE CES TISSUS EST COMPARABLE A CELUI DES CONDUCTEURS OHMIQUES CLASSIQUES. AINSI, LEUR CHAUFFAGE PAR EFFET JOULE DIRECT EST ENVISAGEABLE COMME MODE DE REGENERATION. LA VALEUR DE LA RESISTIVITE ELECTRIQUE DEPEND DES PARAMETRES D'ACTIVATION ET DE L'ORIENTATION DU TISSU. L'ECHAUFFEMENT DE CES MATERIAUX EST EN GENERAL TRES HOMOGENE, LA DISTRIBUTION DES TEMPERATURE OBSERVEE PAR CAMERA INFRAROUGE ETANT LIEE A L'HETEROGENEITE DU DEGRE D'ACTIVATION. DES DONNEES CINETIQUES ET D'EQUILIBRE SONT GENEREES EN REACTEUR DISCONTINU. LES RESULTATS MONTRENT QUE LES VITESSES DE TRANSFERT GAZ-SOLIDE SONT TRES ELEVEES, ET LES CAPACITES D'ADSORPTION IMPORTANTES. LA FAISABILITE DES CYCLES ADSORPTION-DESORPTION POUR DES TEMPERATURES DE REGENERATION PEU ELEVEES EST DEMONTREE. LA PRESENTATION SOUS FORME DE TISSU PERMET DE CONCEVOIR DES ADSORBEURS ORIGINAUX. AINSI DES MODULES CYLINDRIQUES PLISSES SONT DIMENSIONNES ET UTILISES DANS UNE UNITE PILOTE. L'AERODYNAMIQUE DE CES SYSTEMES EST ETUDIEE PAR LA MESURE DES PERTES DE CHARGE. UN OUTIL DE SIMULATION NUMERIQUE DE L'ECOULEMENT AU TRAVERS DE TELS SYSTEMES EST UTILISE POUR PREDIRE LES PERTES DE CHARGE DANS DES CONFIGURATIONS COMPLEXES ET PERMET D'ACCEDER AU CHAMP DES PRESSIONS STATIQUES ET DES VITESSES. LES BONNES PERFORMANCES EN ADSORPTION ET EN DESORPTION DE CES REACTEURS SONT ETUDIEES EN FONCTION DES CONDITIONS OPERATOIRES. QUELQUES EXEMPLES D'UTILISATION DES TISSUS DE CARBONE ACTIVE DANS DES APPLICATIONS INDUSTRIELLES DE TRAITEMENT D'AIR SONT PRESENTEES, ET MONTRENT LA FAISABILITE DU DEVELOPPEMENT INDUSTRIEL DE TELS PROCEDES.
Author: C. Melber
Publisher: WHO
ISBN:
Category : Medical
Languages : en
Pages : 154
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Book Description
On cover: IPCS International Programme on Chemical Safety. Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organization and the World Health Organization, and produced within the framework of the Inter-organization Programme for the Sound Management of Chemicals (IOMC)
Author: Christian Kazner
Publisher: IWA Publishing
ISBN: 1843392755
Category : Science
Languages : en
Pages : 481
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Book Description
The best papers from the three-day conference on Safe Drinking Water from Source to Tap June 2009 in Maastricht are published in this book covering the themes of challenges of the water sector and adaptive strategies, treatment, distribution, risk assessment and risk management, sensors and monitoring, small scale systems, simulation, alternative water supply & sources, consumer involvement, and future drinking water. Worldwide, the water supply sector is facing tremendous challenges. Every new emerging contaminants and pathogens and aging infrastructures that are vulnerable for deliberate contamination pose a threat to the quality of water supplies. Shortage of good quality and readily treatable resources is increasing due to global warming, urbanisation and pollution from agriculture and industry. Regulators and consumers are becoming more demanding. Techneau - the largest European project on drinking water - addresses these challenges by developing adaptive supply system options and new and improved treatment and monitoring technologies. Future system options to be studied are flexible, small scale and multi-source supplies, utilising non conventional resources like brackish ground water, treated wastewater and urban groundwater.
Author:
Publisher: DIANE Publishing
ISBN: 1428900209
Category : Arsenic wastes
Languages : en
Pages : 132
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Book Description
Author: Dick van der Kooij
Publisher: IWA Publishing
ISBN: 1780400403
Category : Science
Languages : en
Pages : 484
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Book Description
Maintaining the microbial quality in distribution systems and connected installations remains a challenge for the water supply companies all over the world, despite many years of research. This book identifies the main concerns and knowledge gaps related to regrowth and stimulates cooperation in future research. Microbial Growth in Drinking Water Supplies provides an overview of the regrowth issue in different countries and the water quality problems related to regrowth. The book assesses the causes of regrowth in drinking water and the prevention of regrowth by water treatment and distribution. Editors: Dirk van der Kooij and Paul W.J.J. van der Wielen, KWR Watercycle Research Institute, The Netherlands
Author: Bertrand Lavédrine
Publisher: Getty Publications
ISBN: 9780892367016
Category : Photograph collections
Languages : en
Pages : 304
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Book Description
A resource for the photographic conservator, conservation scientist, curator, as well as professional collector, this volume synthesizes both the masses of research that has been completed to date and the international standards that have been established on the subject.
Author: Olcay Tunay
Publisher: IWA Publishing
ISBN: 1843393077
Category : Science
Languages : en
Pages : 361
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Book Description
This book covers the most recent scientific and technological developments (state-of-the-art) in the field of chemical oxidation processes applicable for the efficient treatment of biologically-difficult-to-degrade, toxic and/or recalcitrant effluents originating from different manufacturing processes. It is a comprehensive review of process and pollution profiles as well as conventional, advanced and emerging treatment processes & technologies developed for the most relevant and pollution (wet processing)-intensive industrial sectors. It addresses chemical/photochemical oxidative treatment processes, case-specific treatability problems of major industrial sectors, emerging (novel) as well as pilot/full-scale applications, process integration, treatment system design & sizing criteria (figure-of-merits), cost evaluation and success stories in the application of chemical oxidative treatment processes. Chemical Oxidation Applications for Industrial Wastewaters is an essential reference for lecturers, researchers, industrial and environmental engineers and practitioners working in the field of environmental science and engineering. Visit the IWA WaterWiki to read and share material related to this title: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/CHEMICALOXIDATIONAPPLICATIONSFORINDUSTRIALWASTEWATERS Authors: Professor Olcay Tünay, Professor Isik Kabdasli, Associate Professor Idil Arslan-Alaton and Assistant Professor Tugba Ölmez-Hanci, Environmental Engineering Department, Istanbul Technical University, Turkey.
Author: David Jenkins
Publisher: IWA Publishing
ISBN: 178040493X
Category : Science
Languages : en
Pages : 460
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Book Description
Activated Sludge - 100 Years and Counting covers the current status of all aspects of the activated sludge process and looks forward to its further development in the future. It celebrates 100 years of the Activated Sludge process, from the time that the early developers presented the seminal works that led to its eventual worldwide adoption. The book assembles contributions from renowned world leaders in activated sludge research, development, technology and application. The objective of the book is to summarise the knowledge of all aspects of the activated sludge process and to present and discuss anticipated future developments. The book comprises invited papers that were delivered at the conference "Activated Sludge...100 Years and Counting!", held in Essen, Germany, June 12th to 14th, 2014. Activated Sludge - 100 Years and Counting is of interest to researchers, engineers, designers, operations specialists, and governmental agencies from a wide range of disciplines associated with all aspects of the activated sludge process. Authors: David Jenkins, University of California at Berkeley, USA, Jiri Wanner, Institute of Chemical Technology, Prague, Czech Republic.
Author: Lawrence K. Wang
Publisher: Springer Science & Business Media
ISBN: 1588294943
Category : Technology & Engineering
Languages : en
Pages : 694
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Book Description
The past 30 years have seen the emergence of a growing desire worldwide that positive actions be taken to restore and protect the environment from the degrading effects of all forms of pollution – air, water, soil, and noise. Since pollution is a direct or indirect consequence of waste, the seemingly idealistic demand for “zero discharge” can be construed as an unreal- tic demand for zero waste. However, as long as waste continues to exist, we can only attempt to abate the subsequent pollution by converting it to a less noxious form. Three major questions usually arise when a particular type of pollution has been identi?ed: (1) How serious is the pollution? (2) Is the technology to abate it available? and (3) Do the costs of abatement justify the degree of abatement achieved? This book is one of the volumes of the Handbook of Environmental Engineering series. The principal intention of this series is to help readers formulate answers to the last two questions above. The traditional approach of applying tried-and-true solutions to speci?c pollution p- blems has been a major contributing factor to the success of environmental engineering and has accounted in large measure for the establishment of a “methodology of pollution control. ” However, the realization of the ever-increasing complexity and interrelated nature of current environmental problems renders it imperative that intelligent planning of pollution abatement systems be undertaken.
