Injection of activated carbon impregnated with sulfur or iodine compounds into the flue gases is a promising technique to control mercuric chloride emissions from the combustion of municipal solid wastes. In the present paper the attention is focused on the adsorption of HgCl2on activated carbon and on the same carbon impregnated with Na2S. The study was performed at laboratory scale, varying the HgCl2concentration in the inlet stream to the bed in the range of 1#x2013;4 mg/m3and keeping the bed temperature at 150 #xB0;C. Three different adsorbents were used, i.e. raw commercially available activated carbon and two impregnated activated carbons (7.8 w/w and 18.7 w/w of Na2S)
展开▼
