Copper adsorption by apatitic tricalcium phosphate

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Verlag: Our Knowledge Publishing
Autor: Abdelkarim OUASS
Artikel-Nr.: KNV96979464
ISBN: 9786206556602

Pollution of wastewater by heavy metals is a public health problem that calls for appropriate... mehr

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Pollution of wastewater by heavy metals is a public health problem that calls for appropriate solutions from environmental protection authorities. The use of apatitic supports for the liquid-solid extraction technique is an effective way of decontaminating effluents loaded with heavy metals.Our study concerns the extraction of Cu2+ ions from aqueous solutions diluted with an apatitic tricalcium phosphate (TCPa)-based support, at room temperature and atmospheric pressure. The results obtained show that :- Extraction kinetics are relatively rapid.- Cu2+ ions are extracted with a good yield R>95%.- Cu2+ ion binding capacity equals 0.75 mol Cu/mol TCPa.- Total purification of a 6.35 ppm copper solution is achieved with a small amount of TCPa, m = 60mg.

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