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https://www.selleckchem.com/products/ljh685.html In addition, SAED pattern of magnetic nanoparticles confirmed the existence of polycrystalline nature of the CoFe2O4 nanoparticles. The obtained surface area of CF2 sample was 5.082 m2 g-1 and pore volume and diameter of CF2 sample was found to be 0.013 cc/g and 3.937 nm respectively. Then, the product annealed at 400 °C exhibited most excellent activity and degraded 74% of cationic dye in 80 min, and it also exhibited excellent stability even maintain in three cycles.Multi walled carbon nanotubes (MWCNTs) have attracted more and more attention as adsorbents due to their excellent adsorption properties. By loading metal particles on MWCNTs, the chemical reduction ability of adsorbed pollutants could be provided, so as to achieve the purpose of adsorption and degradation of pollutants. Therefore, the removal process of NO3--N by Fe-Pd-Fe3O4/MWCNTs was studied, including rapid adsorption of initial pollutants, gradual reduction of intermediate products and re-adsorption of final products. The results showed that Fe-Pd-Fe3O4/MWCNTs completely removed NO3--N within 2 h, 39% and 25% of which were converted into NO2--N and NH4+-N. The adsorption efficiency, kinetics, capacity and adsorption energy all followed the order of NH4+-N > NO2--N > NO3--N. With the recoverability and reusability of Fe-Pd-Fe3O4/MWCNTs having been confirmed in 5 consecutive cycles, the removal rate of NO3--N still reached 43%. It has been shown that MWCNTs prolonged the reducing power for NO3--N, due to avoiding the aggregation of metal particles. The rapid adsorption of initial pollutants, effective stepwise reduction and convenient recovery processes were of great value for the rehabilitation of polluted water.Perfluorooctanoic acid (PFOA, C8HF15O2) is an industrial surfactant that is highly resistant to natural breakdown processes such as those mediated by heat, hydrolysis, photolysis, and biodegradation. Many efforts have been developed to breakd

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