Procédé AD-OX d'élimination de polluants organiques non biodégradables PDF Download
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Author: Carmen Manole Creanga
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
Vers un nouveau procédé séquentiel AD-OX (Adsorption–Oxydation) de traitement d'eau par charbon actif nous avons examiné les deux étapes séparément, pour des polluants peu biodégradables (phénol et acide 4-hydroxybenzoïque (4AHB), seuls et en mélange). Les isothermes d'adsorption sur charbon actif neuf, puis après oxydation catalytique, ont été obtenues à température ambiante et à 150°C. Les mélanges binaires ont aussi été testés montrant l'adsorption très préférentielle du 4AHB. L'oxydation a d'abord été étudiée en mode discontinu. Les lois cinétiques sont obtenues après optimisation d'un modèle incluant à la fois la diffusion et la variation de masse adsorbée pendant la réaction. En mode continu, en réacteur à lit fixe, ascendant (lit noyé) et descendant (lit ruisselant), des conditions opératoires variées (pression d'oxygène et débit liquide) sont étudiées. Le modèle complet inclut la vaporisation et les transferts de matière et de chaleur. Enfin, la faisabilité du procédé AD-OX est démontrée
Author: Carmen Manole Creanga
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
Vers un nouveau procédé séquentiel AD-OX (Adsorption–Oxydation) de traitement d'eau par charbon actif nous avons examiné les deux étapes séparément, pour des polluants peu biodégradables (phénol et acide 4-hydroxybenzoïque (4AHB), seuls et en mélange). Les isothermes d'adsorption sur charbon actif neuf, puis après oxydation catalytique, ont été obtenues à température ambiante et à 150°C. Les mélanges binaires ont aussi été testés montrant l'adsorption très préférentielle du 4AHB. L'oxydation a d'abord été étudiée en mode discontinu. Les lois cinétiques sont obtenues après optimisation d'un modèle incluant à la fois la diffusion et la variation de masse adsorbée pendant la réaction. En mode continu, en réacteur à lit fixe, ascendant (lit noyé) et descendant (lit ruisselant), des conditions opératoires variées (pression d'oxygène et débit liquide) sont étudiées. Le modèle complet inclut la vaporisation et les transferts de matière et de chaleur. Enfin, la faisabilité du procédé AD-OX est démontrée
Author: William J. Mitsch
Publisher: John Wiley & Sons
ISBN: 9780471332640
Category : Technology & Engineering
Languages : en
Pages : 428
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Book Description
Completely updated to keep pace with current technology. * Provides a firm grounding the fundamentals, theory, and latest techniques. * Includes completely updated case studies.
Author:
Publisher: Academic Press
ISBN: 0128144246
Category : Medical
Languages : en
Pages : 881
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Book Description
Dosage Form Design Parameters, Volume I, examines the history and current state of the field within the pharmaceutical sciences, presenting key developments. Content includes drug development issues, the scale up of formulations, regulatory issues, intellectual property, solid state properties and polymorphism. Written by experts in the field, this volume in the Advances in Pharmaceutical Product Development and Research series deepens our understanding of dosage form design parameters. Chapters delve into a particular aspect of this fundamental field, covering principles, methodologies and the technologies employed by pharmaceutical scientists. In addition, the book contains a comprehensive examination suitable for researchers and advanced students working in pharmaceuticals, cosmetics, biotechnology and related industries. - Examines the history and recent developments in drug dosage forms for pharmaceutical sciences - Focuses on physicochemical aspects, prefomulation solid state properties and polymorphism - Contains extensive references for further discovery and learning that are appropriate for advanced undergraduates, graduate students and those interested in drug dosage design
Author: P. L'Hermite
Publisher: Springer
ISBN: 9789027712943
Category : Science
Languages : en
Pages : 0
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Book Description
Proceedings of the Second European Symposium held in Vienna, Austria, 21-23 October, 1980
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: Ahmed Belasri
Publisher: Springer Nature
ISBN: 9811554447
Category : Technology & Engineering
Languages : en
Pages : 659
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Book Description
This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
Author: Rachel Carson
Publisher: Houghton Mifflin Harcourt
ISBN: 9780618249060
Category : Nature
Languages : en
Pages : 404
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Book Description
The essential, cornerstone book of modern environmentalism is now offered in a handsome 40th anniversary edition which features a new Introduction by activist Terry Tempest Williams and a new Afterword by Carson biographer Linda Lear.
Author:
Publisher:
ISBN:
Category : Polycyclic aromatic hydrocarbons
Languages : en
Pages : 500
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Author:
Publisher: Amap
ISBN:
Category : Science
Languages : en
Pages : 204
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Author: United States. Soil Conservation Service
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 100
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Book Description
