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Atta, Atta Pascal. "Étude des performances énergétiques et environnementales du biodiesel pour la production de l'électricité en Côte d'Ivoire". Electronic Thesis or Diss., Paris, CNAM, 2017. http://www.theses.fr/2017CNAM1160.
Pełny tekst źródłaSome remote areas in Côte d’Ivoire are not covered by the interconnected grid. For these areas, the electricity needs of people are met by diesel generators. There are some risks with the use of diesel as fossil fuel such as the threat to the electricity supply of these areas and the increase of greenhouse gas emissions. These risks make alternative energy a major concern. Among the solutions that could be considered, we propose the jatropha biodiesel as energy source used in the diesel generators to produce electricity in these remote areas. However, it’s important before considering such a project to study its feasibility. It is the work dedicated to this thesis where the environmental and energy performances of jatropha biodiesel used as fuel by diesel generator have been studied through the life cycle assessment completed by an exergy analysis, technical analysis and economical analysis
Atta, Atta Pascal. "Étude des performances énergétiques et environnementales du biodiesel pour la production de l'électricité en Côte d'Ivoire". Thesis, Paris, CNAM, 2017. http://www.theses.fr/2017CNAM1160/document.
Pełny tekst źródłaSome remote areas in Côte d’Ivoire are not covered by the interconnected grid. For these areas, the electricity needs of people are met by diesel generators. There are some risks with the use of diesel as fossil fuel such as the threat to the electricity supply of these areas and the increase of greenhouse gas emissions. These risks make alternative energy a major concern. Among the solutions that could be considered, we propose the jatropha biodiesel as energy source used in the diesel generators to produce electricity in these remote areas. However, it’s important before considering such a project to study its feasibility. It is the work dedicated to this thesis where the environmental and energy performances of jatropha biodiesel used as fuel by diesel generator have been studied through the life cycle assessment completed by an exergy analysis, technical analysis and economical analysis
Roudaut, Nolwenn. "Environnement économique et efficacité technique des entreprises en Côte d'Ivoire". Toulouse 1, 2004. http://www.theses.fr/2004TOU10063.
Pełny tekst źródłaThis thesis is devoted to the study of technical efficiencies of production. The analysis is based on a sample of Côte d'Ivoire firms observed in the mid-nineties. Particular attention is given to the effect of the business environment on productive efficiency, permitting the study of obstacles to the functioning of firms and the evaluation of their technical performance net of business environment effects. Following a survey of the existing literature on estimation models and techniques for estimating production frontiers, we propose two econometric applications. The first is based on parametric stochastic techniques, the second on nonparametric deterministic ones. The fianl part of the thesis proposes a study of production costs of the same firms. After a competitive model analysis, two rent sharing hypotheses are tested : between unions and firms, and between owner and manager
Bonny, Kouadio Eugène. "Monographie des parcs nationaux et réserves analogues de Côte d'Ivoire". Montpellier 3, 1989. http://www.theses.fr/1989MON30020.
Pełny tekst źródłaIn view of the disturbing reduction of the forest cover, from 15 millions of hectares in the beginning of the century to less than 3 millions now, authorities in cote d'ivoire have undertaken the creation of 8 national parks, 2 fauna and flora reserves and 2 entire natural reserves, totalling an area of 1 969 450 ha (6,11 per cent of the national territory). Our study describes, for each one, history, environmental, biological and ecological characteristics, scientific and cultural interest, modalities of its management, in a second part, problems related to their conservation are analysed and management propositions taking in account evolution of socio-economical context and legal, juridical, technical and political constraints are provided
Sako, Nakouma. "Dynamique paysagère et de biodiversité des aires protégées du littoral ivoirien : exemple des parcs nationaux du Banco et des îles Ehotilé (sud-est de la Côte d'Ivoire)". Paris 7, 2011. http://www.theses.fr/2011PA070076.
Pełny tekst źródłaIn Côte d'Ivoire, deforestation is an old problem that threatens forests, especially protected areas. In the coastal zone, rapid urbanization, rapid population growths, the economic and industrial development, particularly in Abidjan, have caused rapid deforestation. Destruction of natural environments is at the forefront of the National Parks and Reserves (PNR) policy against deforestation carried out by the government on the national territory, particularly in the littoral zone. This study focuses on national parks and Banco Ehotilé Islands, located in the Ivorian coastal zone. On the one hand, the Banco National Park is located on the outskirts of Abidjan, and it is surrounded by the various districts of the suburbs. Urbanization and pollution caused by human activities are the main threats that cause degradation. On the other side, the National Park of Ehotile Islands is located in a rural area of the Department of Adiake at the mouth of the Aby lagoon in the Atlantic Ocean. This region is characterized by a landscape dominated by agro-industrial plantations, especially oil palm, coconut graves and rubber. This reduces the land within the reach of small farmers and intensifies competition for land. The data used to study the dynamics of the vegetation cover both parks derived from Spot and Landsat satellite images, aerial photographs and our own field observations conducted in 2008 and 2009. These observations are written with the purpose of describing previous samples of vegetation and the other to draw a selective inventory of the flora in national parks. Surveys and interviews are conducted with a sample of 300 residents in the surrounding villages to gather their perceptions on the one hand, and understanding on the other hand their daily practices vis-à-vis forest resources of GNP and the PNIE. Study results show that landscape dynamics differ in the National Parks and Banco Ehotile Islands. Indeed, between 1986 and 2007, in the National Park of Ehotile Islands, the evolution of the vegetation was characterized by a decrease in the dense forest of land for about 49%, while the area covered by the mosaics culture and forest have increased by 156%. In addition, floristic surveys carried out in 123 plots of PNIE helped identify 197 plant species distributed among 64 families and 156 genera. In the park of Banco, unlike Ehotile islands, forest areas have experienced significant growth between 1992 and 2002 where dense closed canopy forests have increased by 115%. The floristic surveys have identified 233 plant species distributed among 73 families and 191 genera. In PNB as PNIE, flora and vegetation are being threatened by human activities including logging for domestic and agriculture
Koubo, Douzo. "Développement économique, normes et prise de décisions en matière d'environnement : le cas d'un pays en voie de développement : la Côte d'Ivoire". Paris 1, 1993. http://www.theses.fr/1993PA010024.
Pełny tekst źródłaThe protection of the environment is not neutral. Among other things, it may be an obstacle to the growth of the ivorian economy, which is still necessary to fight against the problems lying above development. In front of this reality, the ivorian policies for fighting against the traditional damages of the environment and the global threats linked with the national energetic system will integrate two fundamental data : the minimization of the conflicts between the environmental aims and the economic growth, and the reduction of the risks of distorsion in the repartition of the coasts of the policies. By applying in a modulated way the direct regulations and the economic incitements on the basis of these data, the Ivoiry Coast will thus try to promote a sustenable economic development
Tian, Roger Bi Diangoné. "Sources environnementales de Mycobacterium ulcerans en Côte d'Ivoire". Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM5040.
Pełny tekst źródłaBuruli ulcer is the third mycobacteriosis in the world after tuberculosis, leprosy. Buruli ulcer is widespread in at least 33 countries including West Africa which has the highest prevalence. Among the countries in which Buruli ulcer is reported, Ivory Coast which we come from has the highest incidence of 36% reported in the World Health Organization. Buruli ulcer is caused by Mycobacterium ulcerans, an environmental mycobacterium whose reservoir and source of transmission to humans, are not understood. Our review of the literature focused on environmental sources of this mycobacterium in West Africa, which converge stagnant aquatic environment. On this basis, we conducted an extensive campaign of environmental sampling in Ivory Coast and detected by real-time PCR M. ulcerans in stagnant water, soil and feces of an herbivorous mammal Thryonomys swinderianus. Then we experimentally proved that M. ulcerans could survive in the soil for at least four months. These results suggest that, in Ivory Coast, stagnant water, soil and animal could play a role in the life cycle of the bacterium. In the second work, we have upgraded aquatic tropical plants by the use of extracts in the culture medium of M. ulcerans, slow growing mycobacteria to accelerate its growth. In the third work, we proposed the methylene blue, less expensive, easy to access as an alternative treatment for Buruli ulcer. It is appropriate to resume the experiment on methylene blue by other teams of researchers and after reproducing our experimental data, suggest the topical use of purified, non-toxic methylene blue in human clinical
Bouville, Jean-François. "Malnutrition infantile, attachement mère-enfant et environnement familial en milieu urbain africain (Abidjan, Côte d'Ivoire)". Paris 8, 2001. http://www.theses.fr/2001PA081983.
Pełny tekst źródłaDiabagate, Souleymane. "La gestion des ordures ménagères dans la ville de Bouaké et les inégalités socio spatiales et environnementales". Electronic Thesis or Diss., Paris 8, 2017. http://www.theses.fr/2017PA080155.
Pełny tekst źródłaThe problem of solid household waste is a daily concern of household and municipal authorities. The situation is more alarming in developing countries because of the weakness of the financial resources dedicated to the removal of garbage and inappropriate strategies. Indeed, facing significant economic challenges, managers are forced to make a hierarchy in the choice of social investment and the priority is always given to the waste management. The means used so far to deal with the problems caused by the waste are financial and technical. A typical example is the city of Bouaké.Located in the centre of Ivory Coast, the town of Bouaké is the second city of the country. It is located at the intersection of the main road and rail lines and at the edge of two complementary economy areas. Location of the town of Bouaké also made her a privileged exchanges. These two factors have been important assets attracting people especially the border countries and allowing the development of the private sector. The city of Bouaké marked by rapid urbanization, went from a population of 60,000 inhabitants date independence in 1960 to 536 186 inhabitants according to the Census of 2014. In the 1970s, significant spatial changes are observed and the 1980s, the current configuration is in place. The urban task now covers 11 000 ha. The rapid increase of the population coupled with economic activities is responsible for the proliferation of household waste in the city of Bouaké. The accumulation of garbage is linked to a policy of inappropriate management, scale of urban growth poorly controlled and badly accompanied by patterns of successive urban planning and political problems known by the country. The most vulnerable populations face difficult living conditions in an increasingly degraded environment. Despite the emergency plans initiated by the Government as a result of the accumulation of the dumps in Ivorian cities, the problem of the garbage remains in Bouaké. Several areas of the city not covered by the garbage collection services. The inaccessibility of some parts of the city and the lack of synergy between the actions of the territorial actors are thus being questioned.The study of the management of household waste in the city is an approach to establish a diagnosis at different scales of this process. The problem of the urban environment of Bouaké is at the center of this research that focuses more on spatial inequality informed by the management of garbage. Our assumptions are based on a relationship between inequality: spatial and environmental problems exacerbated by a lack of urban planning policies. More specific analysis of the management of household waste is considered to highlight this link. All of this work participates in the general problem of the emergence of a sustainable city
Zinsou, Edmé Michel Yambodé. "Radioscopie des interactions de l'université de Côte d'Ivoire avec son environnement par la méthode des représentations sociales". Caen, 2004. http://www.theses.fr/2004CAEN1398.
Pełny tekst źródłaTiote, Lassana. "Problématique de la fidélité des cadres dans un environnement concurrentiel à la lumière de la théorie de l’équité". Thesis, Paris, CNAM, 2014. http://www.theses.fr/2015CNAM0953.
Pełny tekst źródłaThe intent of this thesis is to understand the influence of equity on the executives’ loyalty, especially those working in the mobile phone industry in Ivory Coast. Relying on literature review, we built a research model and came up with hypotheses.Data collected from 111 salaried managers have been quantitatively analyzed. The principal results exhibit the impact of equity on managers’ loyalty. However, the relationship between those two variables is essentially indirect. These imply that other relevant factors, in this case the satisfaction of the wage-earner, significantly impact the loyalty of the salaried managers. Finally, the relationship between equity and loyalty is strongly moderated by personal parameters, mainly the one related to the age of employees
N'guessan, Baudelaire. "La réparation du dommage à l'environnement du fait des déchets simples en Côte d'Ivoire". Thesis, Université Côte d'Azur (ComUE), 2019. http://www.theses.fr/2019AZUR0032.
Pełny tekst źródłaCities in Côte d'Ivoire, like African capitals, are constant y polluted by household waste, commercial and craft waste and non-hazardous industrial waste. These simple wastes degrade the environment in its natural components, namely the soil, water, air, fauna and flora. The main concern is no longer the material recognition of environmental damage, but rather the repair of the ecological damage caused by these wastes. On what basis and in what ways could Ivorian law compensate for theDépôt légal de la thèseDonnées complémentairesecological damage? Ivorian law could achieve compensation for ecological damage through thecoordinated application of the rules of civil liability under ordinary law and those of environmentalliability introduced by the 1996 Environmental Code. This mechanism could be strengthened by themechanism of extended producer responsibility for wastes. In addition, compensation in kindappears, through rehabilitation, to be the preferred method of compensation for environmentaldamage. However, the Ivorian legislator should work towards a clear recognition of ecologicaldamage and the attribution of legal personality to the components of the environment, for exampleby relying on the African cosmogony of nature to facilitate effective compensation for ecologicaldamage
Danhoue, Gogoue Achille. "Le régime juridique de l'activité pétrolière offshore en Afrique Subsaharienne, le cas d'un état francophone du Golfe de Guinée : la Côte d'Ivoire". Thesis, Limoges, 2021. http://www.theses.fr/2021LIMO0003.
Pełny tekst źródłaThe States of the Gulf of Guinea in general and Ivory Coast in particular have a seafront on the South Atlantic Ocean and have a sedimentary basin rich in hydrocarbons. The exploitation of this natural resource allows these States to gather capital to finance their development, but it is at the heart of economic, strategic, geopolitical and environmental issues which have prompted the establishment of a legal framework that deserves to be known.This legal framework, which includes international and national standards, applies to the upstream side of offshore petroleum activity as well as to the consequences that it is likely to have on the marine and coastal environment.Thus, the legal regime applicable to offshore oil activity has two objectives: the supervision of oil operations with the interpersonal and the supervision of the consequences of this activity with a view to effective protection of the environment
Meite, Youssouf. "Gouvernance du transport urbain et mobilité durable dans le district d'Abidjan (Côte d'Ivoire)". Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAG009/document.
Pełny tekst źródłaIn Abidjan, the supply of urban transport, dominated by small -scale units alongside modes of mass transit public company remains insufficient for a growing urban population. The urban transport system is characterized by low adapted and degraded infrastructure with a high level of air pollution. Analysis of transactional relationships among stakeholders highlights conflicts of jurisdiction in the governance of urban mobility. These conflicts, which constitute sources of blockage in the official regulation, lead to uncoordinated actions and give rise to the spontaneous creation of a parallel regulation (by the transport unions) in urban stations. Despite these constraints and limitations, this mobility can be part of a logic of sustainability and meet a social need for movement of people especially as it has development potential that only the willingness of all stakeholders can emerge
Bayeba, Marina Céline. "Gestion intégrée des zones côtières en Afrique de l'Ouest : le cas de la Côte d'Ivoire". Thesis, Littoral, 2019. http://www.theses.fr/2019DUNK0551.
Pełny tekst źródłaThe coastline is the subject of a very important economic, social and environmental issue. Its abusive exploitation makes it vulnerable, and exposes it to hazards reducing the hability of coastal ecosystems to preserve and maintain themselves. For the management of its coastline, Côte d'Ivoire has ratified almost all the Conventions and International agreements advocating the integrated management of this area. This objective is not easy to achieve because of this initial management sectorized but also because the fragmentation of skills and the lack of connection between the various issues related to conservation and protection of ecosystems benefits, cultural and economics of coastal areas. The search for coordination and coherence at the institutional, politicaln economic and legal levels is essential. Actions have been led, the adoption in 2014 of the law on the coast and the adoption of the new maritime code. These actions to be perfected must allow everyone to participate and facilitate access to justice
Atheba, Grah Patrick. "Traitement des eaux par action combinée de la photocatalyse solaire et de l'adsorption sur charbon actif : conception et réalisation du procédé". Thesis, Metz, 2009. http://www.theses.fr/2009METZ032S/document.
Pełny tekst źródłaOur studies have focused on the development of a simple photoreactor hand-made from polymer wastes and recover the coconut shell waste tuning them into activated carbon for the treatment of wastewater. The first part of our study, the photoreactor allowed for the photodegradation of Diuron (abundant in herbicides used in agriculture), under artificial (UV lamp) and natural (sunlight) irradiation. The tests were conducted on two commercial supported catalysts (the Quartzel for Saint-Gobain Quartz and cellulosic support for Ahlstrom). The photodegradation of Diuron kinetics follows a pseudo-first order. The cellulosic support is suitable of our photoreactor even if the Quartzel is more efficient than the cellulosic support. The photodégradation under both two irradiation sources is the same. In order to recover the waste agricultural on Côte d'Ivoire (mainly final waste coconut shell), active carbons were prepared from them by physical activation. We have developed a method that takes into account the cost factor and product performance. Tests of physical and chemical characterizations were performed. Our coal "optimized" has a specific surface of 750 m² per gram about is essentially microporous and contains features acids and bases on its surface. Kinetic studies of adsorption of Diuron showed that the optimized coal has a good affinity with the probe molecule. We have in the last part of our study combined the two processes (photocatalysis followed by adsorption on activated carbon). Preliminary studies on the photo-reactors were carried out. These tests have allowed us to establish the experimental protocol used, which was to make the photodegradation for 90 minutes and then pass the solution through a cartridge of activated carbon prepared by ourselves. A comparative study of three methods was performed and we observed the benefits of coupling TiO2/CA. We could eliminate 10 % of Diuron, and by-products of photodegradation of Diuron remained on the solution. Also technically we can do the process by the day by Photocatalysis and by night by adsorption
Vanié, Bi Dje Jules. "L'évaluation de l'implantation de la politique du recouvrement des coûts des actes de santé en Côte d'Ivoire". Thèse, 2002. http://hdl.handle.net/1866/15066.
Pełny tekst źródłaBarro, Malado. "Étude de la dynamique et de l'efficience d'un système d'élevage mixte de larves d'Hétérobranchus longifilis et de proies dominées par les rotifères (Station d'aquaculture d'Anna, Côte d'Ivoire, Afrique)". Thèse, 1995. http://constellation.uqac.ca/1218/1/1513755.pdf.
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