| 摘要 |
Process for purifying gaseous pollutants, esp. NOx or SO2 from an exhaust gas comprises spraying the gas with an oxidant dissolved in a liquid, pref. water, and decomposing the pollutants to a liquid, pref. aq., pollutant-oxygen compound. Also claimed is a heat exchanger and purification appts. comprising a treatment chamber (8) through which passes warm gas and into which is fed a liquid whose temperature is lower than that of the warm gas. |
