| 초록 |
In this work, the silver-iodide deposited activated carbons (ACs) are prepared by electroless plating and the effect of the silver content on the surface functional groups, pore structures, and ammonia adsorption properties of ACs is investigated. The nitrogen adsorption is applied to calculate the specific surface area of the ACs using the BET's equation. And the micropore volume and pore size distribution are determined from the t-plot method and the Horvath-Kawazoe's slit pore model, respectively. The surface chemistry of ACs is discussed in Boehm's titration method, Fourier transform infrared spectroscopy (FT-IR), and scanning electron microscope (SEM). The efficiency of the ammonia removal is confirmed by gas detecting tube methods. As experimental results, the silver content supported on ACs plays an important role in increasing adsorption capacity of ammonia due to the catalytic action of silver metal without significant decreases in specific surface area and microporosity of the ACs studied. |
