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Valorisation Aquacole Deaux Usees Traitees Par Lagunage Naturel
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Book Synopsis Valorisation aquacole d'eaux usées traitées par lagunage naturel by : François Guerrin
Download or read book Valorisation aquacole d'eaux usées traitées par lagunage naturel written by François Guerrin and published by . This book was released on 1990 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'UTILISATION DIRECTE D'EFFLUENTS DE LAGUNAGE A PERMIS DES PRODUCTIONS PISCICOLES DE 0.9 A 2.0 TONNES/HA. LE PHYTOPLANCTON DETERMINE LA QUALITE DE L'EAU. DES TANCHES ET DES ROTENGLES, APRES QUATRE ANNEES PASSEES DANS UNE LAGUNE, N'ONT PAS REVELE DE CONTAMINATION PAR LES METAUX LOURDS (CADMIUM, PLOMB, MERCURE) OU LES PESTICIDES ORGANO-CHLORES. APRES UNE ANALYSE DES FACTEURS LIMITANTS D'AUTRES MODES DE VALORISATION SONT ENVISAGES. LA PRODUCTION RECOLTABLE DE ZOOPLANCTON A ETE EVALUEE A 10 TONNES/HA/AN (POIDS FRAIS) REPARTIE EN DEUX PICS: PRINTANIER (DAPHNIES) ET HIVERNAL (CYCLOPIDES). SON UTILISATION COMME PROIES VIVANTES POUR L'ELEVAGE DE JUVENILES DE POISSONS EST INTERESSANTE PENDANT 3-4 SEMAINES APRES L'ENTREE EN PHASE TROPHIQUE. SA TENEUR EN PROTEINES (60% POIDS SEC) ET SA COMPOSITION EN ACIDES AMINES SONT DISCUTEES EN REFERENCE AUX EXIGENCES DES POISSONS. ON TEST DE CROISSANCE AVEC UN ALIMENT A BASE DE ZOOPLANCTON PERMET D'AVANCER UN TAUX DE SUBSTITUTION DE 40% DE PROTEINES CONVENTIONNELLES. SA FORTE HUMIDITE (90%) EST UN HANDICAP. UN LOGICIEL ECRIT EN PROLOG, CAPABLE DE SIMULER ET D'EXPLIQUER L'INTERPRETATION DE MESURES, ANALYSES ET OBSERVATIONS, A ETE CONCU DANS UN BUT D'AIDE AU CONTROLE DE CES ECOSYSTEMES. ON PROPOSE UNE METHODE DE FORMALISATION DES CONNAISSANCES ET UN SYSTEME DE RAISONNEMENT QUALITATIF
Book Synopsis Perspectives d'aquaculture associée au traitement des eaux usées domestiques en France by :
Download or read book Perspectives d'aquaculture associée au traitement des eaux usées domestiques en France written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aquaculture in Lagoon and Marine Environments by : Elisabeth Rosecchi
Download or read book Aquaculture in Lagoon and Marine Environments written by Elisabeth Rosecchi and published by . This book was released on 1995 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews the growth of aquaculture in the Mediterranean, and its impact on the natural environment. This title features several chapters, which cover the history of aquaculture, effects on the environment, and economics, and suggests sustainable development of the industry to lessen the impacts.
Download or read book Aquaculture Europe '89 written by and published by . This book was released on 1989 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Traitement et valorisation des eaux usées de bassin d'élevage de poissons marins by : Nadine Villon
Download or read book Traitement et valorisation des eaux usées de bassin d'élevage de poissons marins written by Nadine Villon and published by . This book was released on 1989 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA MISE AU POINT DE DISPOSITIFS PERMETTANT DE RECYCLER ET DE VALORISER LES REJETS AQUACOLES PRESENTE DE MULTIPLES AVANTAGES. DE PLUS UNE EPURATION TERTIAIRE PEUT ETRE PRATIQUEE GRACE A L'UTILISATION DES ELEMENTS BIOGENES DE CES EAUX POUR PRODUIRE DES MICROALGUES CAPABLES D'ALIMENTER DES ELEVAGES D'ORGANISMES FILTREURS. NOUS AVONS ETUDIE CERTAINS DE CES ASPECTS SUR UN DISPOSITIF PILOTE COMPORTANT UN SYSTEME DE RECYCLAGE METTANT EN JEUX L'EAU ISSUE DE DEUX RACEWAYS D'ELEVAGE ET DES BASSINS DE PRODUCTION PLANCTONIQUE. LE SYSTEME DE FILTRATION PERMET UNE EPURATION CORRECTE AU PLAN DE L'AMMONIUM, MAIS PLUS LIMITE VIS-A-VIS DES MATIERES EN SUSPENSION. LES REJETS DE CE SYSTEME RICHES EN NITRATES ET PHOSPHATES SONT UTILISES POUR FERTILISER DES CULTURES CONTINUES DE PLANCTON MARIN. LA BIOMASSE AINSI PRODUITE A SERVI A ALIMENTER DES ELEVAGES LARVAIRES DE LOUPS (D. LABRAS) ET DE DAURADES (S. AURATUS) EN MODE EXTENSIF. LES PERFORMANCES DES DISPOSITIFS ET LES RESULTATS OBTENUS SONT DISCUTES
Book Synopsis Traitement des eaux usées par lagunage naturel by : Mohamed Driche
Download or read book Traitement des eaux usées par lagunage naturel written by Mohamed Driche and published by . This book was released on 2014-08-09 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book IMACS '91 written by Robert Vichnevetsky and published by . This book was released on 1991 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis L'épuration des eaux usées domestiques par lagunage naturel aux USA by : Centre technique du cuir, chaussure et habillement (France)
Download or read book L'épuration des eaux usées domestiques par lagunage naturel aux USA written by Centre technique du cuir, chaussure et habillement (France) and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Epuration des eaux usées par lagunage naturel et lagunage aéré by :
Download or read book Epuration des eaux usées par lagunage naturel et lagunage aéré written by and published by . This book was released on 1988 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Le lagunage naturel by : Manuel Vaucouloux
Download or read book Le lagunage naturel written by Manuel Vaucouloux and published by . This book was released on 1978 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 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 Design Manual for Waste Stabilization Ponds in Mediterranean Countries by : Duncan Mara
Download or read book Design Manual for Waste Stabilization Ponds in Mediterranean Countries written by Duncan Mara and published by . This book was released on 1998-01-01 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Biodiversity and Sustainable Development by : Rabindra Nath Pati
Download or read book Biodiversity and Sustainable Development written by Rabindra Nath Pati and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers presented at the First Global Summit on Sustainable Development and Biodiversity, held at Raipur during 7-9 February 2009.
Book Synopsis Environmental Aspects of Dredging by : R. N. Bray
Download or read book Environmental Aspects of Dredging written by R. N. Bray and published by CRC Press. This book was released on 2008-03-10 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanding a port, deepening a navigation channel or creating new land for development, introduces changes to our physical, social, economic and political environment. Changes may result from events during the construction process, or relate to the nature of the completed structure. Changes can be positive or negative, short-term or long-term, and may affect the immediate vicinity of the project or a larger geographical area. Predicting and assessing all possible effects of a planned dredging activity in a scientifically-sound and reliable manner is essential, so that appropriate control measures can be taken to avoid or mitigate unwelcome impacts. This book provides guidance for a complete holistic environmental evaluation procedure and for the design and implementation of environmental control measures. The book is of particular interest to engineers, government agencies and port authorities, as well as civil engineering consultants and contractors involved in planning and designing dredging, maritime infrastructure and fluvial projects.
Book Synopsis New Directions for Smallholder Agriculture by : Peter B. R. Hazell
Download or read book New Directions for Smallholder Agriculture written by Peter B. R. Hazell and published by . This book was released on 2014 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: At the same time, many other smallholders are successfully intensifying and succeeding as farm businesses, often in combination with diversification into off-farm sources of income.
