School of Chemical Machinery and Safety;
Dalian University of Technology;
Dalian;
China;
College of Environmental and Chemical Engineering;
Dalian University;
Dalian;
China;
Lanzhou Institute of Chemical Physics;
Chinese Academy of Sciences;
Lanzhou;
China;
University of Chinese Academy of Sciences;
Beijing;
China;
Porous; activated; Carbon; Mercury; Adsorption; Mechanism; Natural; Gas; Elemental; Sulfur; Impregnation;