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- W2162299210 abstract "Environmental impact assessment will soon become a compulsory phase in future potable water production projects, in algeria, especially, when alternative treatment processes such sedimentation ,coagulation sand filtration and Desinfection are considered. An impact assessment tool is therefore developed for the environmental evaluation of potable water production. in our study The evaluation method used is the life cycle assessment (LCA) for the determination and evaluation of potential impact of a drink water station ,near algiers (SEAL-Boudouaoua).LCA requires both the identification and quantification of materials and energy used in all stages of the product's life, when the inventory information is acquired, it will then be interpreted into the form of potential impact eco-indicators 99 towards study areas covered by LCA, using the simapro6 soft ware for water treatment process is necessary to discover the weaknesses in the water treatment process in order for it to be further improved ensuring quality life. The main source shown that for the studied water treatment process, the highest environmental burdens are coagulant preparation (30% for all impacts), mineral resource and ozone layer depletion the repartition of the impacts among the different processes varies in comparison with the other impacts. Mineral resources are mainly consumed during alumine sulfate solution preparation; Ozone layer depletion originates mostly from tetrachloromethane emissions during alumine sulfate production. It should also be noted that, despite the small doses needed, ozone and active Carbone treatment generate significant impacts with a contribution of 10% for most of the impacts.Moreover impacts of energy are used in producing pumps (20-25 GHC) for plant operation and the unitary processes (coagulation, sand filtration decantation) and the most important impacts are localized in the same equipment (40-75 GHC) and we can conclude that:- Pre-treatment, pumping and EDR (EDR: 0.-6 0 kg CO2 eq. /produced m3) are the process-units with higher environmental impacts.- Energy consumption is the main source of impacts on climate change.- Chemicals consumption (e.g. coagulants, oxidants) are the principle cause of impacts on the ozone layer depletion.- Conventional plants: pre-treatment has high GHG emissions due to chemicals consumption." @default.
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- W2162299210 date "2013-12-01" @default.
- W2162299210 modified "2023-10-10" @default.
- W2162299210 title "The study of potable water treatment process in Algeria (boudouaou station) -by the application of life cycle assessment (LCA)" @default.
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- W2162299210 doi "https://doi.org/10.1186/2052-336x-11-37" @default.
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