In order to solve the problem of the management of municipal solid waste in Abidjan (Côte d'Ivoire), a sanitary landfill has been designed in Kossihouen. Despite the adverse greenhouse effects of the methane, this gas has a potential of electrical energy. The estimation of methane emissions from the waste can be an economic and useful way for more accurate control and management of waste disposal in Kossihouen. Therefore, conducting this study is essential. Methane emissions were estimated based on the methane generation constant K and the methane generation potential L 0 using LandGEM 3.02. The results show that the quantity of methane emissions was 7.97E+07 m 3 /year. Based on this result, the methane content can generate 10% of total electricity consumed in Abidjan in 2026. This paper could serve as a source of scientific information for decision making on environmental sustainability in waste-to-energy projects in Côte d'Ivoire.
The determination of biochemical methane potential (BMP) is very important for the valorization of food wastes. This study is focused on the evaluation of the theoretical methane production from chemical oxygen demand (COD) of some food wastes, coming out Akouedo landfill. Almost all of the considered samples exhibited methane theoretical yields equal to about 402.5-507.8 mLCH 4 /gVS. These results indicate the suitability of all the studied food wastes from Akouedo landfill to be converted into energy.
This study allowed us to highlight the level of pollution of a BAYA River water near several poultry farms and the sizing of an anaerobic digester that will be able to treat chicken manure from a poultry farm (BRIN FOUNDATION).To evaluate this pollution, the parameters such as ammonium ( 4 NH + ), Phosphate (
The development of societies and industrial progress cannot be achieved without the use of electricity. The growing demand for energy and the degradation of the environment by current sources force us to look for other methods to produce it. The production of renewable energy from landfill waste reduces the environmental problems caused by the combustion of coal, oil and natural gas. Therefore, in this work, life cycle assement is used to compare the different energy recovery options of four solid waste management systems with each other and to assess the corresponding carbon credit. The four management systems are: landfilling (scenario S 0 ), landfilling with energy recovery (scenario S 1 ), incineration combined with anaerobic digestion with energy recovery in both cases (scenario S 2 ) and incineration with energy recovery (scenario S 3 ). The assessment showed that scenario S 2 is the best waste management option for energy production with an energy potential of 890.9 GWh/year, which corresponds to 11% of the Côte d'Ivoire's net electricity production in 2015. In addition, this scenario has led to a better reduction in methane emissions with a carbon credit of USD 12168200 for the total amount of waste managed in one year. However, scenario S 1 is the wrong option in terms of energy production with an energy potential of 232.2 GWh/year corresponding to 3% of the Ivory Coast's net electricity production in 2015. Regarding the potential reductions in CO2equivalent emissions, those of scenario S1 are the lowest with a carbon credit of US$ 12,025,343. From the point of view of the production of clean and green energy, the voice to be followed for an optimal MSW management technique in Abidjan is the anaerobic digestion of the organic fraction, the incineration of the fuel fraction, followed by the landfilling of the residues.
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