Selective　catalytic　reduction　(SCR)　technology　is　the　most　widely　used　flue　gas　denitration　technology　at　present.　The　stability　of　a　catalyst　is　the　main　factor　limiting　the　development　of　this　technology.　In　this　study,　an　environmentally　friendly　and　highly　efficient　NH3-SCR　catalyst　was　prepared　by　coprecipitation　method　from　acidolysis　residue　of　industrial　waste　and　tourmaline.　We　found　that　the　addition　of　tourmaline　has　an　important　impact　on　the　denitration　activity　of　the　catalytic　material.　The　NOx　conversion　exceeded　97%　at　200　degrees　C　with　the　dosage　of　10%　tourmaline,　which　is　about　7%　higher　than　that　without　doping.　The　improvement　of　catalytic　performance　was　mostly　attributed　to　the　permanent　electrodes　of　tourmaline,　which　effectively　promotes　the　dispersion　of　MnOx/TiO2　catalytic　materials,　increases　the　number　of　acidic　sites　and　changes　the　valence　distribution　of　manganese　ions　in　products,　which　speeds　up　the　diffusion　of　protons　and　ions,　resulting　in　the　acceleration　of　redox　reaction.　These　as-developed　tourmaline-modified　MnOx/TiO2　materials　have　been　demonstrated　to　be　promising　as　a　new　type　of　highly　efficient　low-temperature　NH3-SCR　catalyst.