Waste gas treatment system - acid mist purification tower this system uses different catalysts, oxidants, absorbing liquids, etc., and can be used for the purification of sulfuric acid, nitric acid, hydrochloric acid, hydrofluoric acid and other acid mists. Its main features are as follows: use timely monitoring, centralized automatic quantitative Dosing treatment saves manpower; the body material can be made of glass fiber reinforced plastic, which has strong plasticity and strong acid corrosion resistance; high purification efficiency; low noise, low power consumption, small size, and easy disassembly and maintenance.