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The possibility of using electric arc furnace dust (EAFD) as regenerable sorbents to adsorptive hydrogen sulfide was studied. To avoid the releasing of zinc vapor and leaching of heavy metal matter, the addition of Al 2 O 3 was used as inert stabilizer to suppress the volatilization of zinc vapor and generate a more stable chemical forms in EAFD. The results of redox behavior and toxicity characteristic leaching procedure show that Al 2 O 3 are excellent stabilizers for EAFD of industrial waste. Multi-cycle tests of sulfidation/regeneration showed that the prepared EAFD/Al 2 O 3 sorbents can be regenerated and thus reused after the regeneration process. After ten sulfidation/regeneration cycles, the sulfur capacity of the tenth cycle remained approximately on a level of 79% of the sulfur capacity in the first cycle. The results based on the material characterization and sulfidation/regeneration performance evaluation showed that EAFD/Al 2 O 3 sorbent has desirable physical and chemical properties for the desulfurization of simulated syngas at high-Temperature range. Therefore, EAFD with addition of Al 2 O 3 has a potential utilization for the removal of hydrogen sulfide. [ABSTRACT FROM AUTHOR]

Abstract: This study fabricated hydrogenated diamond-like carbon/silver bioceramic films on glass substrates using radio frequency magnetron sputtering with a single silver target in an atmosphere of Ar/CH4 mixture. The effects of applied power on the composition and microstructure of bioceramic film were evaluated. A phase transformation, amorphous diamond-like carbon → nano-silver precipitation → nano-silver growth in the amorphous diamond-like carbon matrix was observed during sputtering. The film growth rate, surface roughness, silver content and size of silver nanoclusters in the films all increased with the silver target power due to the higher flux of sputtered silver species toward the substrate. [Copyright &y& Elsevier]

Abstract In this study, a facile co-electrodeposition method has been developed to co-deposit iridium oxide and human plasma proteins. We use a cyclic voltammetry (CV) approach for co-electrodeposition on indium tin oxide-coated glass substrates. We adjust the percentages of plasma proteins as 1%, 3%, 5% and 7% to obtain different film thicknesses. We also optimize the number of cycles to achieve the ideal thickness. Cyclic voltammetry, field emission scanning electron microscopy, and Fourier-transform infrared spectroscopy were used for characterizing the deposited film. The results show that the plasma proteins can be successfully co-deposited with iridium oxide. The incorporation of plasma proteins results in an increase in the roughness of the film. The thickness of the electrodeposited layer is dependent on the concentration of plasma proteins. [ABSTRACT FROM AUTHOR]