Electron Beam Purification of Flue Gases

摘要

After the discovery of the simultaneous removal of sulfur dioxide (SO_2) and nitrogen oxide (NOx) by an electron beam irradiation in 1972, R&D has been pursued with the aim of solving the problems for application of the new technology (EB method) for actual plant construction to reduce acid rain. Base of EB method, not only purifying flue gases but also obtaining useful fertilizers from the pollutants, was almost established by introducing a new idea of injecting ammonia in the flue gases prior to electron beam irradiation.