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Contribution A Loptimisation Du Rendement De La Carbonisation Du Bois
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Book Synopsis Contribution a L'Optimisation Du Rendement de la Carbonisation Du Bois by : HOUNLONON-M.
Download or read book Contribution a L'Optimisation Du Rendement de la Carbonisation Du Bois written by HOUNLONON-M. and published by Omniscriptum. This book was released on 2011-08 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Face à la demande croissante du bois-énergie ayant pour corollaire la forte pression sur les ressources ligneuses, il nous a paru impérieux de réfléchir sur l'optimisation du rendement de la carbonisation du bois. Ce sujet très préoccupant face à la problématique du changement climatique revèt une importance capitale pour les pays en voie de développement comme le Bénin où près de 89 % de l'énergie domestique est couvert par les combustibles ligneux dont 14 % pour le charbon de bois. Les techniques actuelles utilisées en matière de carbonisation donnent un rendement très faible compris entre 10 % et 28 % constituant donc une source de perte de bois-énergie. De diverses recherches, il nous est avéré que la technique de la meule casamançaise est une excellente technique pour l'amélioration du rendement de la carbonisation. En variant le nombre de cheminées dans notre procédé, le rendement s'est amélioré allant jusqu'à 33,18 % contre 31,16 % pour la meule traditionnelle. Le four métallique de type Magnien est une perspective dont nous présentons ici un prototype.
Book Synopsis Faecal Sludge Management by : Linda Strande
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.
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.
Book Synopsis How to Design Wastewater Systems for Local Conditions in Developing Countries by : David M. Robbins
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.
Book Synopsis Compendium of Sanitation Systems and Technologies by : Elizabeth Tilley
Download or read book Compendium of Sanitation Systems and Technologies written by Elizabeth Tilley and published by . This book was released on 2014 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tropical Agriculturist and Magazine of the Ceylon Agricultural Society by :
Download or read book Tropical Agriculturist and Magazine of the Ceylon Agricultural Society written by and published by . This book was released on 1988 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis World Energy Outlook 2017 by : Agence internationale de l'énergie
Download or read book World Energy Outlook 2017 written by Agence internationale de l'énergie and published by . This book was released on 2018-01-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The global energy scene is in a state of flux. Large-scale shifts include: the rapid deployment and steep declines in the costs of major renewable energy technologies; the growing importance of electricity in energy use across the globe; profound changes in China's economy and energy policy, moving consumption away from coal; and the continued surge in shale gas and tight oil production in the United States. These changes provide the backdrop for the World Energy Outlook-2017, which includes a full update of energy demand and supply projections to 2040 based on different scenarios. The projections are accompanied by detailed analyses of their impact on energy industries and investment, as well as implications for energy security and the environment. The report this year includes a focus on China, which examines how China's choices could reshape the global outlook for all fuels and technologies. A second focus, on natural gas, explores how the rise of shale gas and LNG are changing the global gas market as well as the opportunities and risks for gas in the transition to a cleaner energy system. Finally, the WEO-2017 introduces a major new scenario - the Sustainable Development Scenario - that outlines an integrated approach to achieving internationally agreed objectives on climate change, air quality and universal access to modern energy.
Download or read book Climate Gamble written by Rauli Partanen and published by . This book was released on 2017-03-09 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the updated and improved 2017 edition of Climate Gamble. "Climate Gamble - Is Anti-Nuclear Activism Endangering Our Future?" is a thought-provoking, short and easy to read book on one of the biggest problems of our time, climate change, and one of its most misunderstood and misrepresented solution, nuclear power. From the back cover: Humankind has won many great victories in the fight against climate change. However, these victories are rarely acknowledged or reported. Is this because they were won with nuclear power? Preventing dangerous climate change requires world energy production to be almost completely free from fossil fuels by 2050. At the same time, energy consumption keeps growing, as the population increases and those mired in poverty try to create better lives for themselves. With almost 87 percent of our energy produced with fossil fuels, the challenge is unprecedented in both its scale and urgency. International organizations agree that meeting this challenge will require the use of all the tools at our disposal: Renewable energy, more energy conservation and better efficiency, carbon capture and storage - and nuclear power. At the same time, the global environment and energy discussion is largely dominated by a vocal opinion that climate challenge and global poverty should be conquered with nothing else than renewables, energy conservation and energy efficiency. This book explains how this opinion is largely based on very selective reading of relevant studies and reports, wishful thinking about the powers of technological miracles, and even straight-out falsification of statistics and misrepresentation of facts. Does the anti-nuclear movement really help to give people objective, relevant information they need to make up their minds about zero-carbon energy production, the scale of the challenge, and in particular the up- and downsides of nuclear power? Or are they just spreading fear and uncertainty, while making a huge gamble with the climate, potentially endangering both human civilization and the Earth's ecosystems?
Book Synopsis Toward a Sustainable Energy Future by : International Energy Agency
Download or read book Toward a Sustainable Energy Future written by International Energy Agency and published by OECD. This book was released on 2001 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: The manner in which we produce & consume energy is of crucial importance to sustainable development, as energy has deep relationships with each of its three dimensions -- the economy, the environment & social welfare. These relationships develop in a fast-moving & complex situation characterized by increasing globalisation, growing market liberalisation & new technologies, as well as by growing concerns about climate change & energy-supply security. In order to make energy an integral part of sustainable development, new policies need to be developed. Such policies must strike a balance among the three dimensions of sustainable development. They must reduce our exposure to large-scale risk. The IEA has synthesized a number of experiences with policies aimed to promote sustainable development. These experiences are reported in seven subject chapters on energy supply security, market reform, improving energy efficiency, renewable energies, sustainable transport, flexibility mechanisms for greenhouse gas reductions & on non-Member countries.
Download or read book Biogea written by Michel Serres and published by U of Minnesota Press. This book was released on 2015-07-31 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biogea is a mixture of poetry, philosophy, science, and biography exemplary of the style that has made Michel Serres one of the most extraordinary thinkers of his age. His philosophical and poetic inquiry sings in praise of earth and life, what he names singularly as Biogea. In these times when species are disappearing, when catastrophic events such as earthquakes and tsunamis impale the earth, Serres wonders if anyone “worries about the death pangs of the rivers.” And for Serres, one can ask the same question of philosophy as the humanities increasingly find themselves in need of defenders. Today, all living organisms discover themselves part of this Biogea. “Today we have other neighbors, constituents of the Biogea: the sea, my lover; our mother, the Earth, becomes our daughter; this beautiful breeze which inspires the spirit, a spiritual mistress; our light friends, the fresh and flowing waters.”
Book Synopsis Carbonisation discontinue du bois en four à combustion partielle by : Narendra Shah
Download or read book Carbonisation discontinue du bois en four à combustion partielle written by Narendra Shah and published by . This book was released on 1990 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: La technique de carbonisation en four à combustion partielle dépend, aujoud'hui, des critères de contrôle subjectifs qui sont difficiles â normaliser, exige une surveillance continue et aboutit à un rendement de conversion aléatoire. Cette étude a été conduite dans le but d'améliorer les connaissances sur la carbonisation discontinue en four à combustion partielle. Partant d'une expérimentation sur un four pilote, ces travaux de recherche ont testé les différents capteurs et la validité des informations fournis pour mettre en évidence l'influence des paramètres portants sur les rendements de conversion, sur la qualité de charbon de bois, sur la composition des émissions, sur l'évolution des températures et sur l'évolution de perte de masse. Le suivi de la perte de masse apparaît comme un paramètre intéressant permettant une meilleure gestion du cycle de carbonisation.
