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Approches Chimique Ecologique Et Reglementaire De La Production De Pate A Papier Blanchie
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Book Synopsis Approches chimique, écologique et règlementaire de la production de pâte à papier blanchie by : Johan Villeronce
Download or read book Approches chimique, écologique et règlementaire de la production de pâte à papier blanchie written by Johan Villeronce and published by . This book was released on 1998 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: CE TRAVAIL TRAITE, DANS SON ENSEMBLE (CHIMIQUE, ECOLOGIQUE, LEGISLATIF), DE LA TRANSFORMATION DE LA MATIERE VEGETALE EN PATE A PAPIER BLANCHIE. IL RESSORT DE CETTE ETUDE QUE LA FABRICATION DE PATE GENERE NECESSAIREMENT DES EFFLUENTS POLLUANTS. SI LE TRAITEMENT DES EFFLUENTS DE L'ETAPE DE CUISSON EST GLOBALEMENT MAITRISE, CELUI DES EFFLUENTS DE L'ETAPE DE BLANCHIMENT EST EN REVANCHE PLUS PROBLEMATIQUE. NOTRE TRAVAIL A CONSISTE A ELABORER UN PROCEDE GLOBAL DE PRODUCTION DE PATE A PAPIER QUI LIMITE CES RISQUES DE POLLUTION. DANS CE BUT, NOUS AVONS EXAMINE LE BLANCHIMENT PAR L'OZONE DE DEUX TYPES DE PATES : UNE PATE DE PLANTE ANNUELLE TRAITEE PAR UN PROCEDE SOUDE / ANTHRAQUINONE ET UNE PATE DE BOIS A CROISSANCE RAPIDE OBTENUE PAR UN PROCEDE KRAFT INDUSTRIEL. LES RESULTATS OBTENUS ONT MONTRE LA BONNE APTITUDE PAPETIERE DE CES MATIERES PREMIERES. L'ANALYSE DES EFFLUENTS ISSUS DE L'ETAPE DE BLANCHIMENT NOUS A CONDUIT A PROPOSER UNE METHODE DE TRAITEMENT PAR ECHANGEURS D'IONS. UN TEL DISPOSITIF D'EPURATION PERMET D'UNE PART LE RECYCLAGE DE L'ACIDE ACETIQUE UTILISE EN PRETRAITEMENT DE LA PATE ECRUE ET, D'AUTRE PART, UNE DISPARITION QUASI-TOTALE DE LA CHARGE ORGANIQUE DES EFFLUENTS D'OZONISATION. LA REGENERATION DES RESINES EST EFFECTUEE GRACE AUX COMPOSES OBTENUS APRES TRANSFORMATION CHIMIQUE DES COMPOSES ISSUS DE CETTE MEME REGENERATION. CE PROCEDE PERMET AINSI D'EVITER LA FORMATION D'UN NOUVEL EFFLUENT POLLUANT LORS DE LA REGENERATION DES RESINES. LE PROCEDE MIS AU POINT CONDUIT A L'OBTENTION D'UNE PATE BLANCHIE DE BONNE QUALITE AVEC DES EFFLUENTS NON CHARGES EN PRODUITS CHIMIQUES. CEUX-CI PEUVENT DONC ETRE REJETES, SANS AUCUN RISQUE DE POLLUTION, DANS LES EAUX RECEPTRICES DES RIVIERES.
Book Synopsis Innovate Bristol by : Sven Boermeester
Download or read book Innovate Bristol written by Sven Boermeester and published by . This book was released on 2019-12 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Innovate Bristol highlights and celebrates those companies and individuals that are actively working at building a better tomorrow for all. Innovation Ecosystems thrive through the involvement and support of companies and individuals from all industries, which is why the Innovate series not only focuses on the innovators but also those people whom the Innovation Ecosystem, would not be able to thrive without.
Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague
Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Book Synopsis Utilization of Fish Waste by : Raul Perez Galvez
Download or read book Utilization of Fish Waste written by Raul Perez Galvez and published by CRC Press. This book was released on 2013-05-21 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The shortage of marine resources calls for the implementation of new technological processes for providing a better utilization of waste and by-products from fisheries and fish processing activities. Most of these by-products are currently used as raw materials for animal feed. It is estimated that their utilization in human foodstuffs, nutraceutic
Book Synopsis Per and polyfluorinated substances in the Nordic Countries by : Stefan Posner
Download or read book Per and polyfluorinated substances in the Nordic Countries written by Stefan Posner and published by Nordic Council of Ministers. This book was released on 2013-06-19 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Tema Nord report presents a study based on open information and custom market research to review the most common perfluorinated substances (PFC) with less focus on PFOS and PFOA. The study includes three major parts:1) Identification of relevant per-and polyfluorinated substances and their use in various industrial sectors in the Nordic market by interviews with major players and database information; 2) Emissions to and occurence in the Nordic environment of the substances described in 1); 3) A summary of knowledge of the toxic effects on humans and the environment of substances prioritized in 2); There is a lack of physical chemical data, analystical reference substances, human and environmental occurrence and toxicology data, as well as market information regarding PFCs other than PFOA and PFOS and the current legislation cannot enforce disclosure of specific PFC substance information.
Book Synopsis A Frequency Dictionary of French by : Deryle Lonsdale
Download or read book A Frequency Dictionary of French written by Deryle Lonsdale and published by Routledge. This book was released on 2009-03-25 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Frequency Dictionary of French is an invaluable tool for all learners of French, providing a list of the 5000 most frequently used words in the language. Based on a 23-million-word corpus of French which includes written and spoken material both from France and overseas, this dictionary provides the user with detailed information for each of the 5000 entries, including English equivalents, a sample sentence, its English translation, usage statistics, and an indication of register variation. Users can access the top 5000 words either through the main frequency listing or through an alphabetical index. Throughout the frequency listing there are thematically-organized lists of the top words from a variety of key topics such as sports, weather, clothing, and family terms. An engaging and highly useful resource, the Frequency Dictionary of French will enable students of all levels to get the most out of their study of French vocabulary. Former CD content is now available to access at www.routledge.com/9780415775311 as support material. Designed for use by corpus and computational linguists it provides the full text in a format that researchers can process and turn into suitable lists for their own research work. Deryle Lonsdale is Associate Professor in the Linguistics and English Language Department at Brigham Young University (Provo, Utah). Yvon Le Bras is Associate Professor of French and Department Chair of the French and Italian Department at Brigham Young University (Provo, Utah).
Book Synopsis Food Chemistry Research Developments by : Konstantinos N. Papadopoulos
Download or read book Food Chemistry Research Developments written by Konstantinos N. Papadopoulos and published by Nova Publishers. This book was released on 2008 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food chemistry is the study of chemical processes and interactions of all biological and non-biological components of foods. The biological substances include such items as meat, poultry, lettuce, beer, and milk as examples. It is similar to biochemistry in its main components such as carbohydrates, lipids, and protein, but it also includes areas such as water, vitamins, minerals, enzymes, food additives, flavours, and colours. This discipline also encompasses how products change under certain food processing techniques and ways either to enhance or to prevent them from happening. An example of enhancing a process would be to encourage fermentation of dairy products with lactic acid; an example of a preventing process would be stopping the Maillard reaction on the surface of freshly cut Red Delicious apples whether by hand or mechanical methods. This book presents the recent research from around the world in this field.
Book Synopsis The Last Billion Years by : Atlantic Geoscience Society
Download or read book The Last Billion Years written by Atlantic Geoscience Society and published by Nimbus Publishing (CN). This book was released on 2001 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is about the history of the rocks and fossils of the Maritime Provinces of Canada (New Brunswick, Nova Scotia and PEI) over the last billion years. The book is beautifully illustrated in full colour, with original paintings of ancient vistas, over 150 photographs, and crisp explanatory diagrams and sketches.
Book Synopsis Protected Area Management by : Barbara Sladonja
Download or read book Protected Area Management written by Barbara Sladonja and published by BoD – Books on Demand. This book was released on 2012-08-08 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Exportateur Americain written by and published by . This book was released on 1912 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Agroecology and Strategies for Climate Change by : Eric Lichtfouse
Download or read book Agroecology and Strategies for Climate Change written by Eric Lichtfouse and published by Springer Science & Business Media. This book was released on 2011-09-30 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sustainable agriculture is a rapidly growing field aiming at producing food and energy in a sustainable way for our children. This discipline addresses current issues such as climate change, increasing food and fuel prices, starvation, obesity, water pollution, soil erosion, fertility loss, pest control and biodiversity depletion. Novel solutions are proposed based on integrated knowledge from agronomy, soil science, molecular biology, chemistry, toxicology, ecology, economy, philosophy and social sciences. As actual society issues are now intertwined, sustainable agriculture will bring solutions to build a safer world. This book series analyzes current agricultural issues and proposes alternative solutions, consequently helping all scientists, decision-makers, professors, farmers and politicians wishing to build safe agriculture, energy and food systems for future generations.
Author :International Agency for Research on Cancer Publisher :IARC Monographs on the Evaluat ISBN 13 :9789283201496 Total Pages :0 pages Book Rating :4.2/5 (14 download)
Book Synopsis Some Nanomaterials and Some Fibres by : International Agency for Research on Cancer
Download or read book Some Nanomaterials and Some Fibres written by International Agency for Research on Cancer and published by IARC Monographs on the Evaluat. This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of the IARC Monographs provides an assessment of the carcinogenicity of fluoro-edenite fibrous amphibole, silicon carbide fibres and whiskers, and carbon nanotubes, including single-walled and multiwalled types. None of these agents had been assessed previously by the IARC Monographs Working Group. The Working Group relied mainly on epidemiological studies to evaluate the carcinogenic hazard to humans exposed to fluoro-edenite fibrous amphibole, an environmental contaminant that was reported to cause mesothelioma in the regional population of Biancavilla, Sicily, Italy. Silicon carbide fibres are by-products of the manufacture of silicon carbide particles by the Acheson process; silicon carbide whiskers are produced by other processes. The evaluations of the fibres and of the occupational exposures associated with the Acheson process were mainly based on epidemiological studies, whereas the assessment of the whiskers--in the absence of epidemiological--was based on carcinogenicity bioassays and consideration of their physical properties. In view of the absence of epidemiological studies on carbon nanotubes and the limited information available from mechanistic data, the evaluations of single-walled and multiwalled carbon nanotubes relied essentially on carcinogenicity bioassays.
Download or read book Stuck written by Marc Sommers and published by University of Georgia Press. This book was released on 2012 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Young people are transforming the global landscape. As the human population today is younger and more urban than ever before, prospects for achieving adulthood dwindle while urban migration soars. Devastated by genocide, hailed as a spectacular success, and critiqued for its human rights record, the Central African nation of Rwanda provides a compelling setting for grasping new challenges to the world's youth. Spotlighting failed masculinity, urban desperation, and forceful governance, Marc Sommers tells the dramatic story of young Rwandans who are “stuck,” striving against near-impossible odds to become adults. In Rwandan culture, female youth must wait, often in vain, for male youth to build a house before they can marry. Only then can male and female youth gain acceptance as adults. However, Rwanda's severe housing crisis means that most male youth are on a treadmill toward failure, unable to build their house yet having no choice but to try. What follows is too often tragic. Rural youth face a future as failed adults, while many who migrate to the capital fail to secure a stable life and turn fatalistic about contracting HIV/AIDS. Featuring insightful interviews with youth, adults, and government officials, Stuck tells the story of an ambitious, controlling government trying to govern an exceptionally young and poor population in a densely populated and rapidly urbanizing country. This pioneering book sheds new light on the struggle to come of age and suggests new pathways toward the attainment of security, development, and coexistence in Africa and beyond. Published in association with the United States Institute of Peace
Book Synopsis Date Palm Cultivation by : Food and Agriculture Organization of the United Nations
Download or read book Date Palm Cultivation written by Food and Agriculture Organization of the United Nations and published by FAO. This book was released on 2002 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication provides a basic introduction to date palm propagation, production and protection techniques. Chapters cover: botanical and systematic description, origin, geographical distribution and nutritional value, economic importance, climatic requirements, orchard management, harvesting, and diseases and pests of date palm.
Author :John Henry Lorentz Publisher :Historical Dictionaries of Asia, Oceania, and the Middle East ISBN 13 : Total Pages :570 pages Book Rating :4.F/5 ( download)
Book Synopsis Historical Dictionary of Iran by : John Henry Lorentz
Download or read book Historical Dictionary of Iran written by John Henry Lorentz and published by Historical Dictionaries of Asia, Oceania, and the Middle East. This book was released on 2007 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an overview of specific events, movements, people, political and social groups, places, trends, and chronology. Allows for considerable exploration of a number of historical and contemporary topics and issues. The modern period, defined as 1800-present, is covered extensively.
Book Synopsis Nature and Culture in the Democratic Republic of Congo by :
Download or read book Nature and Culture in the Democratic Republic of Congo written by and published by . This book was released on 2004 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optimum Use of Primary Energy Resources by : United Nations. Economic Commission for Europe
Download or read book Optimum Use of Primary Energy Resources written by United Nations. Economic Commission for Europe and published by . This book was released on 1990 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
