Removal of mercury (II), elemental mercury and arsenic from simulated flue gas by ammonium sulphide.
作者： Ping Ning , Xiaolong Guo , Xueqian Wang , Ping Wang , Yixing Ma
DOI: 10.1080/09593330.2015.1043355
关键词: Fourier transform infrared spectroscopy 、 Chemistry 、 Adsorption 、 Flue gas 、 Inorganic chemistry 、 Arsenic 、 Mercury (element) 、 X-ray photoelectron spectroscopy 、 Smelting 、 Scanning electron microscope
摘要: A tubular resistance furnace was used as a reactor to simulate mercury and arsenic in smelter flue gases by heating compounds. The gas containing Hg2+, Hg0 As treated with ammonium sulphide. experiment conducted investigate the effects of varying concentration sulphide, pH value temperature presence SO2 sulphite ion on removal efficiency. prepared adsorption products were characterized Fourier transform infrared spectroscopy, X-ray diffraction, photoelectron spectroscopy scanning electron microscopy. results showed that optimal sulphide 0.8 mol/L. 10, 20°C.Under optimum conditions, efficiency could reach 99%, 88.8%, 98%, respectively. In addition, reduce t...
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