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The biosorption of strontium ions on beer yeast was investigated under the different adsorption conditions. The results of this study showed that the beer yeast has some abilities to adsorb Sr(II) from solution. Different variables, such as solution pH, contact time, adsorbent dose and initial strontium ions concentration influenced the adsorptive quantity. The process of biosorption has nearly reached...
Rare earth (RE) (La3+, Ce4+, Pr3+, Nd3+, Sm3+, Eu3+, Gd3+, Tb3+, Dy3+, Er3+, Tm3+ and Y3+) doped rutile phase TiO2 were prepared by low temperature one step synthesis and used as photocatalyst. The RE doped rutile phase TiO2 were characterized by X-ray diffraction (XRD), Particle Size, zeta potential, UV-visible spectroscopy, fluorescence spectrum. The results show that the RE have been doped into...
Using waster residue phosphogypsum as raw materials, calcium sulfate whiskers were prepared by the hydrothermal method. The products were characterized by XRD, SEM and FT-IR, etc. The effects of reaction temperature and time, initial solid-to-liquid ratio of slurry, and different additives on the morphology and content of the samples' soluble-phosphates were studied. The results showed that the optimal...
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