• Activated carbons are synthesized by chemical activation with FeCl 3 using microwave heating. The show a microporous structure and total surface areas higher than 1150 m 2 ·g −1. Acetaminophen adsorption capacity is close to 300 mg·g Experimental modelling equilibrium, kinetics breakthrough tests performed. Complete recovery of after easy regeneration step achieved. have been prepared lignin ...

A mathematical tool has been developed to evaluate the economic advantages of in-situ chemical regeneration fixed-bed industrial adsorbers granular activated carbon for cooling water treatment systems in Cuban power plants. Two scenarios (AC) management a plant were compared by applying proposed model. The profit implementing strategy as function number cycles was determined and optimized. Brea...

In this study, the potential of a low-cost bio-adsorbent, taken directly from Date Palm Trunk Fibers (DPTF) agricultural wastes, for cadmium ions removal wastewaters is examined. The performances adsorbent are evaluated by building breakthrough curves at different bed heights and flow rates while keeping other parameters, such as initial feed concentration, pH, particle size, constant. results ...

A general mathematical model for supercritical CO2 adsorption on activated carbon have been developed. Adsorption curves obtained with a laboratory plant (adsorber of 10 mL) have been adjusted with this model and the results have been extrapolated to adjust the breakthrough curves obtained with a pilot plant (adsorber of 1L). The proposed model is general and takes into account equilibrium (ads...

1. Thaine’s “purely cyclotomic” method [Th88] for bounding the exponents of the ideal class groups of cyclotomic fields. The bounds that Thaine obtained were already known thanks to the proof of the Main Conjecture by Mazur andWiles, in which unramified abelian extensions of cyclotomic fields were constructed from reducible two-dimensional Galois representations occuring in the Jacobians of mod...