Recent field tests of mercury removal with activated carbon injection (ACI) have revealed that mercury capture is limited in flue gases containing high concentrations of sulfur oxides (SOx). In order to gain a more complete understanding of the impact of SOx on ACl, mercury capture was tested under varying conditions of SO2 and SO3 concentrations using a packed bed reactor and simulated flue ga...

This paper presents the experimental results obtained during the irradiation process with electron beam of flue gases generated by burning fuel with a high content in sulphur. The ALIN-10 accelerator was used for generating the electron beam. The necessary water was sprayed into the gaseous mixture as fine droplets by the mist pump. The highest removal efficiencies were obtained in the presence...

The micro morphology of limestone sorbent is a key for improving the SO2 removal efficiency in the coal-fired power plant. The tube furnace system was built for imitating the indirect desulfurization reaction in traditional boiler atmosphere (65%N2, 15%CO2, 4.7%O2, 15%H2O, 0.3%SO2) and the direct desulfurization reaction in oxygen-fired atmosphere (80%CO2, 4.7%O2, 15%H2O, 0.3%SO2). The reacted ...

Electron-beam fl ue gas treatment (EBFGT) technology has been applied in an industrial scale, EPS Pomorzany [1]. High removal effi ciency of SO2 (>90%) and NOx (ca. 70%) was obtained at 8 kGy absorbed dose. NOx removal needs much bigger energy consumption than that for SO2. Therefore, there is a need to fi nd a way to decrease energy consumption for NOx removal in this process. Electron acceler...

Coal is a major energy source, and on the other hand coal is a source of pollution. Some of the important environmental issues related to use of coal in energy production are the release of sulphur dioxide (SO2). SO2 is a precursor to acid rain, responsible for atmospheric pollution and damage to human health. Therefore, investigations and development of technologies promising low SO2 emission ...

A modeling study using hourly meteorological and pollution concentration data from across the coterminous United States demonstrates that urban trees remove large amounts of air pollution that consequently improve urban air quality. Pollution removal (O3, PM10, NO2, SO2, CO) varied among cities with total annual air pollution removal by US urban trees estimated at 711,000 metric tons ($3.8 bill...