Experimental study on oxidation of elemental mercury by UV/Fenton system

Removal of Gaseous Hydrogen Sulfide by a Photo-Fenton Wet Oxidation Scrubbing System

“…For the prospects for industrial applications of this technology, as we all know, hydrogen sulfide widely exists in biogas, natural gas, and coal gas; therefore, the purpose of this technology is to remove hydrogen sulfide from the tail gas of these processes. In addition, it is also worth noting that the natural gas and coal gas often simultaneously contain gaseous pollutants, such as H 2 S, Hg 0 , organic pollutants, etc. ,− In the previous publications, ,− the photo-Fenton process has been proven to be quite effective in removing SO 2 , NO x , Hg 0 , organic matter, etc. from the gas phase.…”

Fe3−Cu O4 as highly active heterogeneous Fenton-like catalysts toward elemental mercury removal

“…During the past years, Fenton-like method has been widely applied for coal-fired flue gas cleaning Tan et al, 2007;Wang et al, 2010;Audenaert et al, 2011). Zhan et al (2013) developed a wet Ultraviolet (UV)/Fenton system to remove Hg 0 by setting a UV lamp into a lab-scale bubble reactor, and the oxidation process was enhanced by converting the insoluble Hg 0 into its soluble oxidized form and then removed by the wet scrubber. The several main operation parameters, such as the initial solution pH, TiO 2 dosage, gas flue rate, and the concentration of Fe 2+ and H 2 O 2 , were investigated preliminarily.…”

Hg0 removal from flue gas by ionic liquid/H2O2

“…It was able to oxidize and absorb Hg 0 from flue gas in the presence of ultraviolet light or ferric salts [45][46][47]. In this work, H 2 O 2 was combined with 1-alkyl-3-methylimidazolium chloride ionic liquid to form an absorbent for Hg 0 removal.…”