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Selecting and optimal sizing of hybridized energy storage systems for tidal energy integration into power grid

Journal of Modern Power Systems and Clean Energy 2019年第1期7卷 113-122页

作者： seifeddine ben elghali Rachid OUTBIB Mohamed benBOUZID LIS-UMR CNRS 7020 University of Aix-Marseille UMR CNRS 6027 IRDL University of Brest Shanghai Maritime University

The high penetration of renewable energy systems with fluctuating power generation into the electric grids affects considerably the electric power quality and supply ***, energy storage resources are used to deal with the challenges imposed by power variability and demand-supply *** main focus of this paper is to investigate the appropriate storage technologies and the capacity needed for a successful tidal power ***, a simplified sizing method, integrating an energy management strategy, is *** method allows the selection of the adequate storage technologies and determines the required least-cost storage capacity by considering their technological limits associated with different power *** optimal solutions given by the multi-objective evolutionary algorithm are presented and analyzed.

关键词： Tidal energy Energy storage system Optimal sizing Selection

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Enhancing sustainability in phosphate ore processing:Performance of frying oil as alternative flotation collector for carbonate removal

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International Journal of Mining Science and Technology 2024年第4期34卷 557-571页

作者： Asmae El-bahi Yassine Taha Yassine Ait-Khouia Abdellatif elghali Mostafa benzaazoua Geology&Sustainable Mining Institute(GSMI) Mohammed VI Polytechnic UniversityBen Guerir 43150Morocco

Recycling waste frying oils for the synthesis of flotation reagents presents a promising avenue for sustainable waste ***,it offers a cost-effective solution for crafting a specialized collector designed to efficiently remove carbonates and enhance phosphate enrichment in froth flotation *** study focuses on the synthesis of an anionic collector using the saponification reaction of a frying oil sample,subsequently applied to the flotation of calcite and *** elucidate the adsorption mechanisms of the frying oil collector(FrOC)and sodium oleate,a reference collector,on fluorapatite,calcite,dolomite,and quartz surfaces,comprehensive experiments were conducted,including zeta potential measurements and Fourier transform infrared *** revealed diverse adsorption affinities of the molecules towards these *** assess the practical performance of the collector,flotation tests were conducted using a natural phosphate ore mixture,employing a BoxBehnken experimental ***,under optimized conditions(pH 9,1000 g/t of FrOC,3.5 min of conditioning,and 6 min of flotation),FrOC exhibited excellent performance,with calcite and dolomite recoveries exceeding 80%,while apatite recovery in the concentrate fraction remained below 10%.This work exemplifies both circular economy practices and the distinctive approach to sustainable mineral processing.

关键词： Frying oils recycling Phosphate beneficiation Flotation separation Green surfactants Sustainability

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